{"id":286,"date":"2024-08-19T09:16:25","date_gmt":"2024-08-19T09:16:25","guid":{"rendered":"https:\/\/pixelsconverter.online\/?page_id=286"},"modified":"2025-10-24T01:45:36","modified_gmt":"2025-10-24T01:45:36","slug":"em-to-px-converter","status":"publish","type":"page","link":"https:\/\/toolsmate.online\/vi\/em-to-px-converter\/","title":{"rendered":"B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang PX"},"content":{"rendered":"<style>.kb-row-layout-id286_cc1c7f-0a > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id286_cc1c7f-0a > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id286_cc1c7f-0a > .kt-row-column-wrap{column-gap:var(--global-kb-gap-md, 2rem);row-gap:var(--global-kb-gap-md, 2rem);max-width:var( --global-content-width, 1100px );padding-left:var(--global-content-edge-padding);padding-right:var(--global-content-edge-padding);padding-top:var(--global-kb-spacing-sm, 1.5rem);padding-bottom:var(--global-kb-spacing-sm, 1.5rem);grid-template-columns:minmax(0, 1fr);}.kb-row-layout-id286_cc1c7f-0a > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id286_cc1c7f-0a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id286_cc1c7f-0a > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id286_cc1c7f-0a alignnone wp-block-kadence-rowlayout\"><div class=\"kt-row-column-wrap kt-has-1-columns kt-row-layout-equal kt-tab-layout-inherit kt-mobile-layout-row kt-row-valign-top kb-theme-content-width\">\n<style>.kadence-column286_4780ed-99 > .kt-inside-inner-col,.kadence-column286_4780ed-99 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_4780ed-99 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_4780ed-99 > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_4780ed-99 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_4780ed-99 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_4780ed-99{position:relative;}@media all and (max-width: 1024px){.kadence-column286_4780ed-99 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_4780ed-99 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_4780ed-99\"><div class=\"kt-inside-inner-col\">\n<h1 class=\"wp-block-heading has-theme-palette-9-color has-text-color has-link-color wp-elements-73b5e5868787f6ed69a0301dbaef0dc9\">B\u1ed8 CHUY\u1ec2N \u0110\u1ed4I EM SANG PX<\/h1>\n<\/div><\/div>\n\n\n<style>.kadence-column286_191654-f6 > .kt-inside-inner-col,.kadence-column286_191654-f6 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_191654-f6 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_191654-f6 > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_191654-f6 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_191654-f6 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_191654-f6{position:relative;}@media all and (max-width: 1024px){.kadence-column286_191654-f6 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_191654-f6 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_191654-f6\"><div class=\"kt-inside-inner-col\">\n<div class=\"container\">\n    <div class=\"input-group\">\n        <input type=\"number\" id=\"emInput\" placeholder=\"Nh\u1eadp gi\u00e1 tr\u1ecb EM\">\n        <label for=\"emInput\">EM<\/label>\n    <\/div>\n    <!-- Icon for page change -->\n    <span id=\"pageChangeIcon\" class=\"rotate-icon\">\n        <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewbox=\"0 0 52 52\" fill=\"#000000\" class=\"CalculatorField_calculator-field__reverse-icon__vb2AT\">\n            <g>\n                <path d=\"M48.5,2h-3C44.7,2,44,2.7,44,3.5v7c0,0.9-1,1.5-1.6,0.8l0,0C37.7,6.1,31,3.4,23.7,4.1 c-2.6,0.2-5.1,1-7.4,2.2c-1.2,0.6-2.4,1.3-3.4,2.1c-0.7,0.5-0.8,1.6-0.2,2.3l2.1,2.1c0.5,0.5,1.3,0.6,1.9,0.2 c1.2-0.8,2.5-1.5,3.9-2.1c0.6-0.2,1.3-0.4,2-0.6c6.3-1.2,12.3,1.3,15.7,5.4c1.2,1.4,0.3,2.3-0.7,2.3h-7c-0.8,0-1.6,0.7-1.6,1.5v3 c0,0.8,0.8,1.5,1.6,1.5h18.2c0.7,0,1.2-0.6,1.2-1.3V3.5C50,2.7,49.3,2,48.5,2z\"><\/path>\n                <path d=\"M39.4,37.4c-0.6-0.6-1.5-0.6-2.1,0c-1.6,1.6-3.6,2.9-5.8,3.7c-0.6,0.2-1.3,0.4-2,0.6 c-6.3,1.2-12.3-1.3-15.7-5.4c-1.2-1.4-0.3-2.3,0.7-2.3h7c0.8,0,1.5-0.7,1.5-1.5v-3c0-0.8-0.7-1.5-1.5-1.5H3.3C2.6,28,2,28.6,2,29.3 v19.2C2,49.3,2.7,50,3.5,50h3C7.3,50,8,49.3,8,48.5v-7c0-0.9,1-1.5,1.6-0.8l0,0c4.6,5.2,11.4,7.9,18.7,7.2c2.6-0.2,5.1-1,7.4-2.2 c2.2-1.1,4.1-2.5,5.7-4.1c0.6-0.6,0.6-1.6,0-2.1L39.4,37.4z\"><\/path>\n            <\/g>\n        <\/svg>\n    <\/span>\n    <div class=\"input-group\">\n        <input type=\"number\" id=\"emSizeInput\" placeholder=\"Nh\u1eadp gi\u00e1 tr\u1ecb k\u00edch th\u01b0\u1edbc EM\">\n        <label for=\"emSizeInput\">K\u00edch th\u01b0\u1edbc EM<\/label>\n    <\/div>\n    <div class=\"result\" id=\"resultDisplay\">K\u1ebft qu\u1ea3 s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb \u1edf \u0111\u00e2y<\/div>\n<\/div>\n\n\n<script>\n    const emInput = document.getElementById('emInput');\n    const emSizeInput = document.getElementById('emSizeInput');\n    const resultDisplay = document.getElementById('resultDisplay');\n    const copyIcon = document.createElement('span'); \/\/ Create the copy icon container\n\n    \/\/ Set default value for EM Size\n    emSizeInput.value = 16;  \/\/ Default EM size\n\n    \/\/ Function to convert EM to PX\n    function convertEmToPx() {\n        const emValue = parseFloat(emInput.value);\n        const emSizeValue = parseFloat(emSizeInput.value);\n        \n        if (!isNaN(emValue) && !isNaN(emSizeValue)) {\n            const pxValue = emValue * emSizeValue;  \/\/ Convert EM to PX\n\n            \/\/ Check if the pxValue is a whole number\n            const displayValue = (pxValue % 1 === 0) ? pxValue : pxValue.toFixed(2);\n            resultDisplay.textContent = displayValue + ' px';  \/\/ Display the result in pixels with 'px' unit\n        } else {\n            resultDisplay.textContent = 'Result will be shown here';\n        }\n        resultDisplay.appendChild(copyIcon);  \/\/ Append the copy icon next to the result\n    }\n\n    \/\/ Add event listeners for the input fields\n    emInput.addEventListener('input', convertEmToPx);\n    emSizeInput.addEventListener('input', convertEmToPx);\n\n    \/\/ Add the SVG copy icon directly next to the result text\n    copyIcon.innerHTML = `<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" height=\"24\" viewBox=\"0 0 24 24\" width=\"24\">\n      <path d=\"M16 1H4c-1.1 0-2 .9-2 2v14h2V3h12V1zm3 4H8c-1.1 0-2 .9-2 2v14c0 1.1.9 2 2 2h11c1.1 0 2-.9 2-2V7c0-1.1-.9-2-2-2zm0 16H8V7h11v14z\"\/>\n    <\/svg>`;\n    copyIcon.style.cursor = 'pointer';\n    copyIcon.style.marginLeft = '10px';  \/\/ Add some space between result and icon\n    copyIcon.style.verticalAlign = 'middle';  \/\/ Align the icon properly with the text\n    copyIcon.style.transition = 'transform 0.3s ease';  \/\/ Animation on click\n\n    \/\/ Function to copy result to clipboard when the icon is clicked\n    copyIcon.addEventListener('click', function() {\n        const pxValue = resultDisplay.textContent;\n        if (pxValue && pxValue !== 'Result will be shown here') {\n            const valueToCopy = pxValue.replace('px', '').trim();  \/\/ Remove the 'px' unit and trim the value\n            navigator.clipboard.writeText(valueToCopy).then(() => {\n                \/\/ Animation: Copy icon will grow slightly and then shrink back to indicate the action\n                copyIcon.style.transform = 'scale(1.2)';  \/\/ Enlarge the icon slightly\n                setTimeout(() => {\n                    copyIcon.style.transform = 'scale(1)';  \/\/ Return to original size after animation\n                }, 200);\n            }).catch(err => {\n                console.error('Failed to copy text:', err);\n            });\n        }\n    });\n    copyIcon.classList.add('copy-icon');  \/\/ Add the base class to the icon\n    \n    \/\/ Add event listener for icon click to change the page\ndocument.getElementById('pageChangeIcon').addEventListener('click', function() {\n    \/\/ Change the URL to the desired page\n    window.location.href = 'https:\/\/toolsmate.online\/px-to-em-converter'; \/\/ Replace with the desired page link\n});\n<\/script>\n<style>\n.container {\n    background-color: #fff;\n    padding: 30px;\n    border-radius: 10px;\n    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);\n    max-width: 600px;\n    width: 100%;\n    display: flex;\n    flex-direction: column;\n    align-items: center; \/* Center content horizontally *\/\n}\n\n.input-group {\n    position: relative;\n    width: 100%; \/* Full width for the input fields *\/\n    display: flex;\n    justify-content: space-between; \/* Align inputs on both sides *\/\n}\n\nlabel {\n    position: absolute;\n    top: -6px;\n    left: 15px;\n    background-color: #fff;\n    padding: 0 5px;\n    font-size: 0.9rem;\n    color: #007bff;\n}\n\n.rotate-icon {\n    padding:10px;\n    display: inline-block;\n    cursor: pointer;\n    transition: transform 0.5s ease;\n    margin: 0 20px;\n    align-self: center; \/* Centers the icon between inputs *\/\n}\n\n.rotate-icon:hover {\n    transform: rotate(360deg);\n}\n\n#converterLink {\n    display: block;\n    margin-top: 20px;\n    font-size: 16px;\n    color: blue;\n    text-decoration: underline;\n}\n\n.result {\n    text-align: center;\n    font-size: 1.2rem;\n    font-weight: 600;\n    margin-top: 10px;\n    padding: 8px 10px;\n    background-color: #e7f3ff;\n    border-radius: 4px;\n    width:100%;\n}\n\n\/* Add transition for the copy icon *\/\n.copy-icon {\n    cursor: pointer;\n    margin-left: 10px;\n    vertical-align: middle;\n    transition: background-color 0.3s ease, transform 0.3s ease;\n    padding: 5px;\n    border-radius: 20%; \/* Make the icon look better with rounded corners *\/\n}\n\n@media (max-width: 600px) {\n    .container {\n        padding: 35px 15px;\n    }\n\n    .result {\n        font-size: 1rem;\n    }\n}\n<\/style>\n<\/div><\/div>\n\n\n<style>.kadence-column286_7a072d-c4 > .kt-inside-inner-col,.kadence-column286_7a072d-c4 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_7a072d-c4 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_7a072d-c4 > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_7a072d-c4 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_7a072d-c4 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_7a072d-c4, .kadence-column286_7a072d-c4 h1, .kadence-column286_7a072d-c4 h2, .kadence-column286_7a072d-c4 h3, .kadence-column286_7a072d-c4 h4, .kadence-column286_7a072d-c4 h5, .kadence-column286_7a072d-c4 h6{color:var(--global-palette9, #ffffff);}.kadence-column286_7a072d-c4 a{color:var(--global-palette7, #EDF2F7);}.kadence-column286_7a072d-c4{position:relative;}@media all and (max-width: 1024px){.kadence-column286_7a072d-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_7a072d-c4 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_7a072d-c4\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang PX \u0111\u01a1n gi\u1ea3n v\u00e0 nhanh ch\u00f3ng \u0111\u1ec3 thi\u1ebft k\u1ebf web \u0111\u00e1p \u1ee9ng.<\/h2>\n\n\n\n<p>EM to PX Converter l\u00e0 ph\u1ea7n m\u1ec1m m\u00e0 c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf web v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n web \u0111ang khao kh\u00e1t ph\u00e1t tri\u1ec3n c\u00e1c trang web responsive ho\u00e0n h\u1ea3o \u0111\u1ebfn t\u1eebng pixel ph\u1ea3i c\u00f3. EM v\u00e0 PX l\u00e0 hai \u0111\u01a1n v\u1ecb CSS r\u1ea5t quan tr\u1ecdng \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 x\u00e1c \u0111\u1ecbnh ph\u00f4ng ch\u1eef, kho\u1ea3ng \u0111\u1ec7m, l\u1ec1 v\u00e0 kho\u1ea3ng c\u00e1ch b\u1ed1 c\u1ee5c. Tuy nhi\u00ean, pixel (PX) l\u00e0 nh\u1eefng gi\u00e1 tr\u1ecb kh\u00f4ng th\u1ec3 thay \u0111\u1ed5i, nh\u01b0ng gi\u00e1 tr\u1ecb EM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh v\u00e0 ch\u00fang c\u00f3 th\u1ec3 ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a ph\u1ea7n t\u1eed cha.<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang PX cho ph\u00e9p b\u1ea1n chuy\u1ec3n \u0111\u1ed5i gi\u00e1 tr\u1ecb EM th\u00e0nh pixel theo t\u1ef7 l\u1ec7 1-1. B\u1ea1n mu\u1ed1n bi\u1ebft h\u00ecnh 1 EM trong PX l\u00e0 g\u00ec, ho\u1eb7c \u0111\u01a1n gi\u1ea3n l\u00e0 mu\u1ed1n bi\u1ebft h\u00ecnh 1, 25 EM trong PX l\u00e0 g\u00ec, ho\u1eb7c h\u00ecnh 2 EM trong PX l\u00e0 g\u00ec, c\u00f4ng c\u1ee5 n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e2u tr\u1ea3 l\u1eddi c\u1ee5 th\u1ec3 v\u00e0 ngay l\u1eadp t\u1ee9c \u2013 b\u1ea1n s\u1ebd kh\u00f4ng ph\u1ea3i th\u1ef1c hi\u1ec7n b\u1ea5t k\u1ef3 ph\u00e9p t\u00ednh th\u1ee7 c\u00f4ng n\u00e0o v\u00e0 t\u1ef1 suy ra c\u00e2u tr\u1ea3 l\u1eddi.<\/p>\n\n\n\n<p>Thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng \u0111\u00f2i h\u1ecfi s\u1ef1 \u0111\u1ed3ng nh\u1ea5t v\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y s\u1ebd h\u1ed7 tr\u1ee3 b\u1ea1n duy tr\u00ec t\u00ednh \u0111\u1ed3ng nh\u1ea5t. N\u00f3 cho ph\u00e9p b\u1ea1n gi\u1eef cho b\u1ed1 c\u1ee5c web c\u1ee7a m\u00ecnh m\u1ecfng, c\u00e2n \u0111\u1ed1i v\u00e0 c\u00e2n x\u1ee9ng v\u1ec1 k\u00edch th\u01b0\u1edbc v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i EM sang PX<\/h2>\n\n\n\n<p>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i pixel c\u1ee7a d\u1eef li\u1ec7u EM s\u1ebd gi\u00fap b\u1ea1n t\u1ef1 tin h\u01a1n khi thi\u1ebft k\u1ebf c\u00e1c thi\u1ebft k\u1ebf c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng. C\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i l\u00e0:<\/p>\n\n\n\n<p>\u1ede \u0111\u00e2u <strong>Gi\u00e1 tr\u1ecb PX = Gi\u00e1 tr\u1ecb EM x K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n (t\u00ednh b\u1eb1ng PX).<\/strong><\/p>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh tr\u00ean ph\u1ea7n l\u1edbn c\u00e1c tr\u00ecnh duy\u1ec7t l\u00e0 16px, tr\u1eeb khi c\u00f3 quy \u0111\u1ecbnh kh\u00e1c trong CSS.<\/p>\n\n\n\n<p><strong>V\u00ed d\u1ee5 t\u00ednh to\u00e1n<\/strong><\/p>\n\n\n\n<p>B\u1ea1n s\u1ebd chuy\u1ec3n \u0111\u1ed5i 1,5 EM sang pixel nh\u01b0 th\u1ebf n\u00e0o?<\/p>\n\n\n\n<p>T\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef b\u1eb1ng c\u00e1ch l\u1ea5y ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n l\u00e0 16 x, sau \u0111\u00f3:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>PX = 1,5 \u00d7 16 = 24px<\/code><\/pre>\n\n\n\n<p>V\u00ec v\u1eady, <strong>1,5 EM = 24PX v\u00e0 k\u00edch th\u01b0\u1edbc c\u01a1 s\u1edf l\u00e0 16px.<\/strong><\/p>\n\n\n\n<p><strong>T\u01b0\u01a1ng t\u1ef1 nh\u01b0 v\u1eady:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>1 EM = 16 PX 1,25 EM = 20 PX 2 EM = 32 PX<\/code><\/pre>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed1i quan h\u1ec7 m\u1ed9t-m\u1ed9t m\u00e0 b\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng \u0111\u1ec3 duy tr\u00ec t\u00ednh nh\u1ea5t qu\u00e1n trong thi\u1ebft k\u1ebf gi\u1eefa c\u00e1c tr\u00ecnh duy\u1ec7t v\u00e0 thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1ch chuy\u1ec3n \u0111\u1ed5i EM sang PX Converter.<\/h2>\n\n\n\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang PX c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i sang toolsmate.online v\u1edbi t\u1ed1c \u0111\u1ed9 r\u1ea5t cao. H\u00e3y l\u00e0m theo c\u00e1c b\u01b0\u1edbc \u0111\u01a1n gi\u1ea3n sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Nh\u1eadp gi\u00e1 tr\u1ecb EM<\/h3>\n\n\n\n<p>B\u1ea1n ph\u1ea3i nh\u1eadp s\u1ed1 l\u01b0\u1ee3ng EM m\u00e0 b\u1ea1n mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i v\u00e0o \u00f4 nh\u1eadp li\u1ec7u (v\u00ed d\u1ee5: 1,2 EM ho\u1eb7c 1,75 EM).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 2: \u0110\u1eb7t k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n<\/h3>\n\n\n\n<p>Nh\u1eadp gi\u00e1 tr\u1ecb pixel c\u01a1 s\u1edf c\u1ee7a b\u1ea1n. Gi\u00e1 tr\u1ecb m\u1eb7c \u0111\u1ecbnh l\u00e0 16px, nh\u01b0ng b\u1ea1n c\u00f3 th\u1ec3 \u0111\u1eb7t th\u00e0nh b\u1ea5t k\u1ef3 gi\u00e1 tr\u1ecb n\u00e0o m\u00e0 d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n s\u1eed d\u1ee5ng l\u00e0m ph\u00f4ng ch\u1eef g\u1ed1c (v\u00ed d\u1ee5: 14px ho\u1eb7c 18px).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 3: Nh\u1eadn k\u1ebft qu\u1ea3 t\u1ee9c th\u00ec<\/h3>\n\n\n\n<p>Sau khi nh\u1eadp c\u00e1c gi\u00e1 tr\u1ecb, c\u00f4ng c\u1ee5 s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n v\u00e0 \u0111\u01b0a ra gi\u00e1 tr\u1ecb PX (pixel).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Vi\u1ebft ra ho\u1eb7c ghi ch\u00fa l\u1ea1i k\u1ebft qu\u1ea3 c\u1ee7a b\u1ea1n.<\/h3>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef trong m\u00e3 CSS c\u1ee7a b\u1ea1n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c ch\u1ec9 \u0111\u1ecbnh theo gi\u00e1 tr\u1ecb pixel \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i ho\u1eb7c k\u00edch th\u01b0\u1edbc kho\u1ea3ng c\u00e1ch\/b\u1ed1 c\u1ee5c \u0111\u1eb7c bi\u1ec7t.<\/p>\n\n\n\n<p>N\u00f3 c\u0169ng s\u1ebd gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian, nh\u01b0ng quan tr\u1ecdng nh\u1ea5t l\u00e0 b\u1ea1n s\u1ebd kh\u00f4ng c\u00f2n ph\u1ea3i x\u1eed l\u00fd nh\u1eefng nh\u01b0\u1ee3c \u0111i\u1ec3m c\u1ee7a vi\u1ec7c t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng n\u1eefa v\u00e0 b\u1ea1n s\u1ebd c\u00f3 m\u1ed9t thi\u1ebft k\u1ebf web \u0111\u00e1p \u1ee9ng v\u00e0 th\u1ed1ng nh\u1ea5t.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i EM sang PX l\u1ea1i quan tr\u1ecdng trong thi\u1ebft k\u1ebf web.<\/h2>\n\n\n\n<p>Thi\u1ebft k\u1ebf web c\u1ea7n \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7. C\u00e1c pixel c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c l\u1eadp tr\u00ecnh v\u00e0 ch\u00fang c\u00f3 th\u1ec3 t\u1ea1o ra m\u1ed9t s\u1ed1 thi\u1ebft k\u1ebf tr\u00f4ng kh\u00f4ng gi\u1ed1ng nhau tr\u00ean c\u00e1c m\u00e0n h\u00ecnh c\u00f3 \u0111\u1ed9 ph\u00e2n gi\u1ea3i kh\u00e1c nhau. Tuy nhi\u00ean, EM cho ph\u00e9p thi\u1ebft k\u1ebf \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh t\u1ef7 l\u1ec7 v\u00f4 th\u1eddi h\u1ea1n, m\u1eb7c d\u00f9 kh\u00f4ng ph\u1ea3i kh\u00f4ng c\u00f3 ngo\u1ea1i l\u1ec7, ch\u00fang v\u1eabn y\u00eau c\u1ea7u ng\u01b0\u1eddi thi\u1ebft k\u1ebf ph\u1ea3i ch\u00fa \u00fd \u0111\u1ebfn c\u00e1c pixel t\u01b0\u01a1ng \u1ee9ng.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">EM v\u00e0 PX: S\u1ef1 kh\u00e1c bi\u1ec7t l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p><strong>PX (\u0110i\u1ec3m \u1ea3nh):<\/strong> \u0110\u00e2y l\u00e0 s\u1ed1 c\u1ed1 \u0111\u1ecbnh kh\u00f4ng \u0111\u01b0\u1ee3c chia t\u1ef7 l\u1ec7. Ph\u00f9 h\u1ee3p nh\u1ea5t v\u1edbi c\u00e1c chi ti\u1ebft c\u1ea7n \u0111\u01b0\u1ee3c truy\u1ec1n v\u1edbi \u0111\u1ed9 ch\u00ednh x\u00e1c cao nh\u01b0 \u0111\u01b0\u1eddng vi\u1ec1n ho\u1eb7c bi\u1ec3u t\u01b0\u1ee3ng.<\/p>\n\n\n\n<p><strong>EM (\u0110\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i):<\/strong> \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb \u0111\u00e0n h\u1ed3i v\u00e0 d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a ph\u1ea7n t\u1eed cha. Tuy\u1ec7t v\u1eddi trong l\u0129nh v\u1ef1c ki\u1ec3u ch\u1eef v\u00e0 b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng, c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo s\u1edf th\u00edch c\u1ee7a ng\u01b0\u1eddi d\u00f9ng ho\u1eb7c k\u00edch th\u01b0\u1edbc thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p>B\u00e2y gi\u1edd b\u1ea1n c\u00f3 th\u1ec3 l\u00e0m cho thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh th\u00e2n thi\u1ec7n v\u1edbi ng\u01b0\u1eddi d\u00f9ng v\u00e0 ho\u00e0n h\u1ea3o \u0111\u1ebfn t\u1eebng pixel c\u00f9ng m\u1ed9t l\u00fac v\u00ec b\u1ea1n c\u00f3 th\u1ec3 c\u00f3 \u0111\u01b0\u1ee3c s\u1ef1 linh ho\u1ea1t c\u0169ng nh\u01b0 \u0111\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a thi\u1ebft k\u1ebf khi b\u1ea1n c\u00f3 c\u00e1ch di\u1ec5n gi\u1ea3i \u0111\u00fang \u0111\u1eafn t\u1eeb EM sang PX.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u00dd t\u01b0\u1edfng li\u00ean quan REM l\u00e0 g\u00ec v\u00e0 n\u00f3 kh\u00e1c bi\u1ec7t nh\u01b0 th\u1ebf n\u00e0o?<\/h2>\n\n\n\n<p>M\u1ed9t \u0111\u01a1n v\u1ecb CSS t\u01b0\u01a1ng \u0111\u1ed1i kh\u00e1c \u0111\u01b0\u1ee3c x\u00e2y d\u1ef1ng d\u1ef1a tr\u00ean ph\u1ea7n t\u1eed g\u1ed1c (th\u01b0\u1eddng l\u00e0 nh\u01b0ng kh\u00f4ng nh\u1ea5t thi\u1ebft l\u00e0 ) thay v\u00ec ph\u1ea7n t\u1eed cha \u0111\u01b0\u1ee3c g\u1ecdi l\u00e0 REM (Root EM). \u0110i\u1ec1u n\u00e0y l\u00e0m t\u0103ng kh\u1ea3 n\u0103ng d\u1ef1 \u0111o\u00e1n c\u1ee7a c\u00e1c \u0111\u01a1n v\u1ecb REM trong c\u00e1c c\u1ea5u tr\u00fac ph\u1ee9c t\u1ea1p, n\u01a1i c\u00e1c ph\u1ea7n \u0111\u01b0\u1ee3c \u0111an xen r\u1ea5t nhi\u1ec1u.<\/p>\n\n\n\n<p>B\u1ea3ng so s\u00e1nh EM v\u00e0 REM:<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column286_702f18-5b > .kt-inside-inner-col,.kadence-column286_702f18-5b > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_702f18-5b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_702f18-5b > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_702f18-5b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_702f18-5b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_702f18-5b{position:relative;}@media all and (max-width: 1024px){.kadence-column286_702f18-5b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_702f18-5b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_702f18-5b\"><div class=\"kt-inside-inner-col\">\n<table>\n    <thead>\n        <tr>\n            <th>Gi\u00e1 tr\u1ecb EM<\/th>\n            <th>K\u00edch th\u01b0\u1edbc EM (PX)<\/th>\n            <th>Gi\u00e1 tr\u1ecb \u0111i\u1ec3m \u1ea3nh (PX)<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <!-- Sequential values start here -->\n        <tr>\n            <td>1<\/td>\n            <td>16<\/td>\n            <td>16px<\/td>\n        <\/tr>\n        <tr>\n            <td>2<\/td>\n            <td>16<\/td>\n            <td>32 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n        <tr>\n            <td>3<\/td>\n            <td>16<\/td>\n            <td>48px<\/td>\n        <\/tr>\n        <tr>\n            <td>4<\/td>\n            <td>16<\/td>\n            <td>64px<\/td>\n        <\/tr>\n        <tr>\n            <td>5<\/td>\n            <td>16<\/td>\n            <td>80 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n        <tr>\n            <td>6<\/td>\n            <td>16<\/td>\n            <td>96 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n        <tr>\n            <td>7<\/td>\n            <td>16<\/td>\n            <td>112 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n        <tr>\n            <td>8<\/td>\n            <td>16<\/td>\n            <td>128px<\/td>\n        <\/tr>\n        <tr>\n            <td>9<\/td>\n            <td>16<\/td>\n            <td>144 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n        <tr>\n            <td>10<\/td>\n            <td>16<\/td>\n            <td>160 \u0111i\u1ec3m \u1ea3nh<\/td>\n        <\/tr>\n    <\/tbody>\n<\/table>\n<style>\ntable {\n            width: 100%;\n            border-collapse: collapse;\n            margin-bottom: 20px;\n            background-color: #ffffff;\n            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);\n        }\n        th, td {\n            padding: 15px;\n            text-align: center;\n            border: 1px solid #dddddd;\n        }\n        th {\n            background-color: #007bff;\n            color: white;\n        }\n        td {\n            font-size: 1rem;\n        }\n        @media only screen and (max-width: 768px) {\n            th, td {\n                padding: 10px;\n                font-size: 0.9rem;\n            }\n        }\n        @media only screen and (max-width: 480px) {\n            th, td {\n                padding: 8px;\n                font-size: 0.8rem;\n            }\n        }\n    <\/style>\n<\/style>\n<\/div><\/div>\n\n\n<style>.kadence-column286_501f80-36 > .kt-inside-inner-col,.kadence-column286_501f80-36 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_501f80-36 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_501f80-36 > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_501f80-36 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_501f80-36 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_501f80-36, .kadence-column286_501f80-36 h1, .kadence-column286_501f80-36 h2, .kadence-column286_501f80-36 h3, .kadence-column286_501f80-36 h4, .kadence-column286_501f80-36 h5, .kadence-column286_501f80-36 h6{color:var(--global-palette9, #ffffff);}.kadence-column286_501f80-36 a{color:var(--global-palette7, #EDF2F7);}.kadence-column286_501f80-36{position:relative;}@media all and (max-width: 1024px){.kadence-column286_501f80-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_501f80-36 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_501f80-36\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">\u0110i\u1ec3m m\u1ea1nh c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang PX.<\/h2>\n\n\n\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang PX c\u00f3 th\u1ec3 h\u1eefu \u00edch cho nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf v\u1edbi nh\u1eefng l\u1ee3i \u00edch sau:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">1. Ti\u1ebft ki\u1ec7m th\u1eddi gian<\/h3>\n\n\n\n<p>Kh\u00f4ng c\u1ea7n ph\u1ea3i th\u1ef1c hi\u1ec7n th\u1ee7 c\u00f4ng. Ch\u1ec9 trong v\u00e0i gi\u00e2y, b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u0110\u1ea3m b\u1ea3o t\u00ednh nh\u1ea5t qu\u00e1n c\u1ee7a thi\u1ebft k\u1ebf<\/h3>\n\n\n\n<p>H\u1ed7 tr\u1ee3 \u0111a n\u1ec1n t\u1ea3ng (\u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. T\u0103ng c\u01b0\u1eddng kh\u1ea3 n\u0103ng ti\u1ebfp c\u1eadn<\/h3>\n\n\n\n<p>Thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean EM cho ph\u00e9p ng\u01b0\u1eddi d\u00f9ng t\u1ed1i \u0111a h\u00f3a k\u00edch th\u01b0\u1edbc v\u0103n b\u1ea3n tr\u00ean tr\u00ecnh duy\u1ec7t c\u1ee7a m\u00ecnh \u2013 t\u1ed1i \u0111a h\u00f3a kh\u1ea3 n\u0103ng \u0111\u1ecdc v\u00e0 kh\u1ea3 n\u0103ng truy c\u1eadp.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Supreme v\u01b0\u1ee3t tr\u1ed9i h\u01a1n Responsive Layouts.<\/h3>\n\n\n\n<p>Cho ph\u00e9p b\u1ea1n thu nh\u1ecf thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh xu\u1ed1ng thi\u1ebft b\u1ecb di \u0111\u1ed9ng, m\u00e1y t\u00ednh b\u1ea3ng v\u00e0 m\u00e1y t\u00ednh \u0111\u1ec3 b\u00e0n m\u00e0 kh\u00f4ng l\u00e0m thay \u0111\u1ed5i t\u1ef7 l\u1ec7.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. \u0110\u1ed9 ch\u00ednh x\u00e1c kh\u00f4ng c\u00f3 l\u1ed7i<\/h3>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y ng\u1ee5 \u00fd r\u1eb1ng kh\u00f4ng c\u00f3 l\u1ed7i \u0111o\u00e1n m\u00f2 hay l\u1ed7i s\u1ed1 h\u1ecdc n\u00e0o c\u00f3 th\u1ec3 x\u1ea3y ra \u2013 \u0111\u1eb7c bi\u1ec7t l\u00e0 v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n \u0111\u01b0\u1ee3c t\u00f9y ch\u1ec9nh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng ph\u1ed5 bi\u1ebfn<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Ki\u1ec3u ch\u1eef \u0111\u00e1p \u1ee9ng:<\/strong> \u0110i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef m\u1ed9t c\u00e1ch linh ho\u1ea1t, m\u1eb7c d\u00f9 v\u1eabn ph\u1ea3i c\u00e2n nh\u1eafc \u0111\u1ebfn \u0111\u1ed9 t\u01b0\u01a1ng \u0111\u01b0\u01a1ng c\u1ee7a pixel.<\/li>\n\n\n\n<li><strong>Thi\u1ebft k\u1ebf b\u1ed1 c\u1ee5c CSS:<\/strong> Nh\u1eefng thay \u0111\u1ed5i \u0111\u01b0\u1ee3c th\u1ef1c hi\u1ec7n \u0111\u1ed1i v\u1edbi ph\u1ea7n \u0111\u1ec7m ho\u1eb7c l\u1ec1 \u0111\u01b0\u1ee3c c\u1ed1 \u0111\u1ecbnh tr\u00ean EM th\u00e0nh pixel \u0111\u1ec3 t\u1ea1o ra nh\u1eefng thay \u0111\u1ed5i ch\u00ednh x\u00e1c.<\/li>\n\n\n\n<li><strong>Ph\u00e1t tri\u1ec3n giao di\u1ec7n ng\u01b0\u1eddi d\u00f9ng:<\/strong> Ki\u1ec3m tra gi\u00e1 tr\u1ecb EM-to-PX trong nh\u00e1y m\u1eaft: Ki\u1ec3m tra gi\u00e1 tr\u1ecb EM-to-PX khi t\u1ea1o ho\u1eb7c ch\u1ec9nh s\u1eeda CSS.<\/li>\n\n\n\n<li><strong>Thi\u1ebft l\u1eadp h\u1ec7 th\u1ed1ng thi\u1ebft k\u1ebf:<\/strong> chu\u1ea9n b\u1ecb c\u00e1c ti\u00eau chu\u1ea9n v\u1ec1 thang \u0111o kho\u1ea3ng c\u00e1ch c\u1ee7a ri\u00eang b\u1ea1n gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb EM, REM v\u00e0 PX.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ).<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Tr\u00ecnh duy\u1ec7t Ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh trong tr\u00ecnh duy\u1ec7t c\u00f3 k\u00edch th\u01b0\u1edbc bao nhi\u00eau?<\/h3>\n\n\n\n<p>Ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong &lt;|human|&gt; l\u00e0 16px. Ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh c\u1ee7a &lt;|human|&gt; Ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh c\u1ee7a ph\u1ea7n t\u1eed l\u00e0 16px. Tuy nhi\u00ean, b\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i n\u00f3 trong CSS b\u1eb1ng c\u00e1ch s\u1eed d\u1ee5ng html font-size: 14px; ho\u1eb7c b\u1ea5t k\u1ef3 t\u00f9y ch\u1ecdn n\u00e0o kh\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. C\u00f4ng c\u1ee5 n\u00e0y c\u00f3 th\u1ec3 \u00e1p d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i PX sang EM kh\u00f4ng?<\/h3>\n\n\n\n<p>V\u00e2ng! B\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y l\u00e0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i hai chi\u1ec1u. Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb t\u1eeb EM sang PX ho\u1eb7c PX sang EM s\u1ebd s\u1edbm n\u1eb1m trong t\u1ea7m tay b\u1ea1n ch\u1ec9 b\u1eb1ng c\u00e1ch nh\u1eadp k\u00edch th\u01b0\u1edbc b\u1ea1n mu\u1ed1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. T\u1ea1i sao EM l\u1ea1i \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n \u01b0a chu\u1ed9ng h\u01a1n PX?<\/h3>\n\n\n\n<p>C\u00e1c \u0111\u01a1n v\u1ecb EM cho ph\u00e9p thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef, d\u1ec5 ti\u1ebfp c\u1eadn v\u00e0 ph\u1ea3n h\u1ed3i h\u01a1n so v\u1edbi pixel c\u1ed1 \u0111\u1ecbnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. EM c\u00f3 gi\u1ed1ng v\u1edbi REM kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng h\u1eb3n v\u1eady. EM t\u1ef1 bi\u1ec3u th\u1ecb l\u00e0 ph\u1ea7n t\u1eed cha v\u00e0 REM l\u00e0 ph\u1ea7n t\u1eed g\u1ed1c. REM mang l\u1ea1i kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng l\u1ed3ng nhau s\u00e2u h\u01a1n, d\u1ec5 d\u1ef1 \u0111o\u00e1n h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. 1 EM trong PX l\u00e0 bao nhi\u00eau?<\/h3>\n\n\n\n<p>V\u1edbi c\u1ee1 ch\u1eef 16PX = 1 EM. B\u1ea1n c\u00f3 th\u1ec3 t\u00f9y ch\u1ec9nh c\u1ee1 ch\u1eef n\u00e0y t\u00f9y theo k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a m\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang PX toolsmate.online l\u00e0 ng\u01b0\u1eddi b\u1ea1n \u0111\u1ed3ng h\u00e0nh nhanh ch\u00f3ng v\u00e0 \u0111\u00e1ng tin c\u1eady \u0111\u1ec3 t\u1ea1o ra c\u00e1c thi\u1ebft k\u1ebf web c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng, \u0111\u00e1p \u1ee9ng v\u00e0 ho\u00e0n h\u1ea3o \u0111\u1ebfn t\u1eebng pixel. \u1ee8ng d\u1ee5ng n\u00e0y cho ph\u00e9p b\u1ea1n x\u00e1c \u0111\u1ecbnh l\u1ea1i ph\u00f4ng ch\u1eef, l\u1ec1 ho\u1eb7c chi\u1ec1u r\u1ed9ng b\u1ed1 c\u1ee5c, gi\u00fap b\u1ea1n kh\u00f4ng c\u00f2n ph\u1ea3i b\u1eadn t\u00e2m \u0111\u1ebfn s\u1ed1 h\u1ecdc n\u1eefa v\u00e0 tho\u1ea3i m\u00e1i s\u00e1ng t\u1ea1o v\u00e0 s\u1eed d\u1ee5ng.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column286_42614a-85 > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-xs, 1rem);padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-xs, 1rem);padding-left:var(--global-kb-spacing-xs, 1rem);}.kadence-column286_42614a-85 > .kt-inside-inner-col,.kadence-column286_42614a-85 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_42614a-85 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_42614a-85 > .kt-inside-inner-col{flex-direction:column;}.kadence-column286_42614a-85 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column286_42614a-85 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column286_42614a-85 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_42614a-85{position:relative;}@media all and (max-width: 1024px){.kadence-column286_42614a-85 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column286_42614a-85 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_42614a-85\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading has-theme-palette-2-color has-text-color has-link-color wp-elements-709c1a2e16697d20227485fa24feab7c\">Th\u00eam chuy\u1ec3n \u0111\u1ed5i EM &amp; PX<\/h2>\n<\/div><\/div>\n\n\n<style>.kadence-column286_69899a-87 > .kt-inside-inner-col{display:flex;}.kadence-column286_69899a-87 > .kt-inside-inner-col{padding-top:var(--global-kb-spacing-xs, 1rem);padding-right:var(--global-kb-spacing-xs, 1rem);padding-bottom:var(--global-kb-spacing-xs, 1rem);padding-left:var(--global-kb-spacing-xs, 1rem);}.kadence-column286_69899a-87 > .kt-inside-inner-col,.kadence-column286_69899a-87 > .kt-inside-inner-col:before{border-top-left-radius:0px;border-top-right-radius:0px;border-bottom-right-radius:0px;border-bottom-left-radius:0px;}.kadence-column286_69899a-87 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column286_69899a-87 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:flex-start;}.kadence-column286_69899a-87 > .kt-inside-inner-col > *, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column286_69899a-87 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kt-row-column-wrap > .kadence-column286_69899a-87{align-self:flex-start;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87 > .kt-inside-inner-col{align-items:flex-start;}.kadence-column286_69899a-87 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column286_69899a-87 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column286_69899a-87, .kadence-column286_69899a-87 h1, .kadence-column286_69899a-87 h2, .kadence-column286_69899a-87 h3, .kadence-column286_69899a-87 h4, .kadence-column286_69899a-87 h5, .kadence-column286_69899a-87 h6{color:var(--global-palette2, #2B6CB0);}.kadence-column286_69899a-87 a{color:var(--global-palette2, #2B6CB0);}.kadence-column286_69899a-87{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column286_69899a-87{align-self:flex-start;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87 > .kt-inside-inner-col{align-items:flex-start;}}@media all and (max-width: 1024px){.kadence-column286_69899a-87 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:flex-start;}}@media all and (min-width: 768px) and (max-width: 1024px){.kadence-column286_69899a-87 > .kt-inside-inner-col > *, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column286_69899a-87 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column286_69899a-87{align-self:flex-start;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column286_69899a-87 > .kt-inside-inner-col{align-items:flex-start;}.kadence-column286_69899a-87 > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column286_69899a-87 > .kt-inside-inner-col > *, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-image, .kadence-column286_69899a-87 > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column286_69899a-87 > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column286_69899a-87 kb-section-dir-horizontal\"><div class=\"kt-inside-inner-col\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-cm-converter\/\">PX sang CM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-rem-converter\/\">PX sang REM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-em-converter\/\">PX sang EM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-vw-converter\/\">PX sang VW<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-pt-converter\/\">PX sang PT<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-inch-converter\/\">PX \u0110\u1ebeN INCH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-pc-converter\/\">PX sang PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-mm-converter\/\">PX sang MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-vh-converter\/\">PX sang VH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/px-to-percentage-converter\/\">PX sang PH\u1ea6N TR\u0102M<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-pt-converter\/\">EM sang PT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-in-converter\/\">EM sang IN<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-cm-converter\/\">EM sang CM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-mm-converter\/\">EM sang MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-percent-converter\/\">EM sang PH\u1ea6N TR\u0102M<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-rem-converter\/\">EM sang REM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-pc-converter\/\">EM sang PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-vw-converter\/\">EM sang VW<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/em-to-vh-converter\/\">EM sang VH<\/a><\/li>\n<\/ul>\n<\/div><\/div>\n\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>EM TO PX CONVERTER EM EM Size Result will be shown here Simple and Fast EM to PX Converter to Responsive Web Design. EM to PX Converter is a software that must be in the possession of web designers and web developers who are eager on the development of pixel-perfect responsive websites. 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