{"id":300,"date":"2024-08-19T09:21:11","date_gmt":"2024-08-19T09:21:11","guid":{"rendered":"https:\/\/pixelsconverter.online\/?page_id=300"},"modified":"2025-10-24T05:57:40","modified_gmt":"2025-10-24T05:57:40","slug":"em-to-cm-converter","status":"publish","type":"page","link":"https:\/\/toolsmate.online\/vi\/em-to-cm-converter\/","title":{"rendered":"Chuy\u1ec3n \u0111\u1ed5i EM sang CM"},"content":{"rendered":"<style>.kb-row-layout-id300_c68aa6-32 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id300_c68aa6-32 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id300_c68aa6-32 > .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-id300_c68aa6-32 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id300_c68aa6-32 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id300_c68aa6-32 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id300_c68aa6-32 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-column300_c33cbd-10 > .kt-inside-inner-col,.kadence-column300_c33cbd-10 > .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-column300_c33cbd-10 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_c33cbd-10 > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_c33cbd-10 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_c33cbd-10 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_c33cbd-10{position:relative;}@media all and (max-width: 1024px){.kadence-column300_c33cbd-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_c33cbd-10 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_c33cbd-10\"><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-0c5311e05c22b236e0feb421ea4bc91e\">B\u1ed8 CHUY\u1ec2N \u0110\u1ed4I EM SANG CM<\/h1>\n<\/div><\/div>\n\n\n<style>.kadence-column300_37fb70-f9 > .kt-inside-inner-col,.kadence-column300_37fb70-f9 > .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-column300_37fb70-f9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_37fb70-f9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_37fb70-f9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_37fb70-f9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_37fb70-f9{position:relative;}@media all and (max-width: 1024px){.kadence-column300_37fb70-f9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_37fb70-f9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_37fb70-f9\"><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 for conversion\n\n    \/\/ Function to convert EM to CM using the formula\n    function convertEmToCm() {\n        const emValue = parseFloat(emInput.value);\n        const emSizeValue = parseFloat(emSizeInput.value);\n        \n        if (!isNaN(emValue) && !isNaN(emSizeValue)) {\n            const cmValue = (emValue * emSizeValue) * 0.026458333; \/\/ Convert EM to CM\n            \n            \/\/ Display the result without decimal points if it's a whole number\n            const displayValue = cmValue % 1 === 0 ? cmValue : cmValue.toFixed(2);\n            resultDisplay.textContent = displayValue + ' cm';  \/\/ Display the result in cm with 'cm' 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', convertEmToCm);\n    emSizeInput.addEventListener('input', convertEmToCm);\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 cmValue = resultDisplay.textContent;\n        if (cmValue && cmValue !== 'Result will be shown here') {\n            const valueToCopy = cmValue.replace('cm', '').trim();  \/\/ Remove the 'cm' 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');  \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\/cm-to-em-converter\/'; \/\/ Replace with the desired page link\n});\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    margin-bottom:15px;\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-bottom: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-column300_610c5c-09 > .kt-inside-inner-col,.kadence-column300_610c5c-09 > .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-column300_610c5c-09 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_610c5c-09 > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_610c5c-09 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_610c5c-09 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_610c5c-09, .kadence-column300_610c5c-09 h1, .kadence-column300_610c5c-09 h2, .kadence-column300_610c5c-09 h3, .kadence-column300_610c5c-09 h4, .kadence-column300_610c5c-09 h5, .kadence-column300_610c5c-09 h6{color:var(--global-palette9, #ffffff);}.kadence-column300_610c5c-09 a{color:var(--global-palette7, #EDF2F7);}.kadence-column300_610c5c-09{position:relative;}@media all and (max-width: 1024px){.kadence-column300_610c5c-09 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_610c5c-09 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_610c5c-09\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">Chuy\u1ec3n \u0111\u1ed5i EM sang Centimet trong nh\u00e1y m\u1eaft v\u00e0 ch\u00ednh x\u00e1c trong v\u00f2ng 100%.<\/h2>\n\n\n\n<p>C\u0169ng gi\u1ed1ng nh\u01b0 b\u1ea1n s\u1ebd h\u1ecdc \u0111\u01b0\u1ee3c t\u1ea7m quan tr\u1ecdng c\u1ee7a vi\u1ec7c \u0111\u1ecbnh c\u1ee1 nh\u1ea5t qu\u00e1n khi l\u00e0m vi\u1ec7c trong l\u0129nh v\u1ef1c thi\u1ebft k\u1ebf web, front-end ho\u1eb7c \u0111\u1ed3 h\u1ecda k\u1ef9 thu\u1eadt s\u1ed1. \u0110\u1ec3 vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i gi\u00e1 tr\u1ecb EM t\u01b0\u01a1ng \u0111\u1ed1i sang gi\u00e1 tr\u1ecb centimet (CM) \u0111\u00e3 bi\u1ebft tr\u1edf n\u00ean d\u1ec5 d\u00e0ng, c\u00f4ng c\u1ee5 Chuy\u1ec3n \u0111\u1ed5i EM sang CM c\u1ee7a ch\u00fang t\u00f4i tr\u00ean ToolsMate.online gi\u00fap b\u1ea1n d\u1ec5 d\u00e0ng chuy\u1ec3n \u0111\u1ed5i. Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i n\u00e0y gi\u00fap b\u1ea1n c\u00f3 \u0111\u01b0\u1ee3c s\u1ed1 \u0111o ch\u00ednh x\u00e1c tr\u00ean c\u00e1c ph\u01b0\u01a1ng ti\u1ec7n in \u1ea5n v\u00e0 k\u1ef9 thu\u1eadt s\u1ed1 - \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o thi\u1ebft k\u1ebf, b\u1ed1 c\u1ee5c v\u00e0 ph\u00f4ng ch\u1eef c\u1ee7a b\u1ea1n hi\u1ec3n th\u1ecb \u0111\u00fang nh\u01b0 mong mu\u1ed1n.<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang CM n\u00e0y gi\u00fap b\u1ea1n ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 lo\u1ea1i b\u1ecf vi\u1ec7c ph\u1ea3i \u0111o\u00e1n m\u00f2 khi c\u1ea7n ch\u1ec9nh s\u1eeda ki\u1ec3u ch\u1eef, t\u1ea1o b\u1ed1 c\u1ee5c \u0111\u00e1p \u1ee9ng ho\u1eb7c khi c\u1ea7n in c\u00e1c ph\u00e9p \u0111o kh\u00e1c nhau. B\u1ea1n ch\u1ec9 c\u1ea7n nh\u1eadp gi\u00e1 tr\u1ecb EM v\u00e0 c\u00f4ng c\u1ee5 s\u1ebd cung c\u1ea5p gi\u00e1 tr\u1ecb t\u01b0\u01a1ng \u0111\u01b0\u01a1ng centimet. Nhanh ch\u00f3ng, ch\u00ednh x\u00e1c v\u00e0 kh\u00f4ng g\u1eb7p s\u1ef1 c\u1ed1.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u01a1n v\u1ecb EM l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>EM l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i trong thi\u1ebft k\u1ebf web v\u00e0 \u0111\u1ed3 h\u1ecda, ch\u1ee7 y\u1ebfu \u0111\u01b0\u1ee3c \u00e1p d\u1ee5ng cho phong c\u00e1ch CSS (Cascading Style Sheets). N\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a ph\u1ea7n t\u1eed ho\u1eb7c ph\u1ea7n t\u1eed cha.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1 EM = k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef hi\u1ec7n t\u1ea1i.<\/li>\n<\/ul>\n\n\n\n<p>\u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao, x\u00e9t r\u1eb1ng k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n l\u00e0 16px, th\u00ec \u0111i\u1ec1u sau \u0111\u00e2y l\u00e0 \u0111\u00fang: 1 EM = 16px, 2 EM = 32px, v.v.<\/p>\n\n\n\n<p>\u0110i\u1ec1u n\u00e0y c\u0169ng mang l\u1ea1i cho EM t\u00ednh linh ho\u1ea1t c\u1ee7a thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng, nh\u01b0ng \u0111i k\u00e8m v\u1edbi h\u00e0m \u00fd l\u00e0 k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd (ch\u00ednh x\u00e1c \u0111\u1ebfn t\u1eebng pixel) (nh\u01b0 centimet) c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh d\u1ef1a tr\u00ean \u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh c\u0169ng nh\u01b0 k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n.<\/p>\n\n\n\n<p>So s\u00e1nh m\u00e0 n\u00f3i, centimet (CM) l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb v\u1eadt l\u00fd kh\u00e1ch quan, ph\u1ed5 bi\u1ebfn tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb c\u0169ng nh\u01b0 ph\u01b0\u01a1ng ti\u1ec7n truy\u1ec1n th\u00f4ng. \u0110\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao c\u1ea7n ph\u1ea3i chuy\u1ec3n \u0111\u1ed5i EM sang CM khi b\u1ea1n mu\u1ed1n t\u00e1c ph\u1ea9m k\u1ef9 thu\u1eadt s\u1ed1 c\u1ee7a m\u00ecnh c\u00f3 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd, ch\u1eb3ng h\u1ea1n nh\u01b0 b\u1ed1 c\u1ee5c web \u0111\u1ec3 in ho\u1eb7c \u0111\u1ed3 h\u1ecda t\u01b0\u01a1ng t\u1ef1 tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i EM sang CM<\/h2>\n\n\n\n<p>\u0110\u01a1n v\u1ecb EM l\u00e0 t\u01b0\u01a1ng \u0111\u1ed1i, \u0111\u1ec3 t\u00ednh to\u00e1n ch\u00fang theo CM, k\u00edch th\u01b0\u1edbc \u0111i\u1ec3m \u1ea3nh c\u01a1 s\u1edf (m\u1eb7c \u0111\u1ecbnh l\u00e0 16) v\u00e0 m\u1eadt \u0111\u1ed9 \u0111i\u1ec3m \u1ea3nh (DPI ho\u1eb7c PPI) c\u1ee7a ph\u01b0\u01a1ng ti\u1ec7n hi\u1ec3n th\u1ecb ph\u1ea3i \u0111\u01b0\u1ee3c bi\u1ebft.<\/p>\n\n\n\n<p>Sau \u0111\u00e2y l\u00e0 c\u00f4ng th\u1ee9c chung:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>Centimet (cm) = EM \u00d7 K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 s\u1edf (px) \/ \u0110i\u1ec3m \u1ea3nh tr\u00ean inch (PPI) \u00d7 2,54<\/code><\/pre>\n\n\n\n<p>Trong \u0111\u00f3:<\/p>\n\n\n\n<p><strong>1 inch = 2,54 cm<\/strong><\/p>\n\n\n\n<p>K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh = 16px (trong h\u1ea7u h\u1ebft c\u00e1c tr\u00ecnh duy\u1ec7t)<\/p>\n\n\n\n<p>M\u00e0n h\u00ecnh hi\u1ec3n th\u1ecb th\u00f4ng th\u01b0\u1eddng = 96 pixel\/inch.<\/p>\n\n\n\n<p><strong>V\u00ed d\u1ee5 t\u00ednh to\u00e1n<\/strong><\/p>\n\n\n\n<p>L\u00fac n\u00e0y, ch\u00fang ta s\u1ebd mu\u1ed1n chuy\u1ec3n \u0111\u1ed5i 2 EM sang centimet, d\u1ef1a tr\u00ean k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef l\u00e0 16 pixel v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh l\u00e0 96 PPI:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>2 \u00d7 16 = 32 px<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>CM = 32 \/ 96 \u00d7 2,54 = 0,8467 cm<\/code><\/pre>\n\n\n\n<p><strong>K\u1ebft qu\u1ea3: 2 EM = 0,85 cm (x\u1ea5p x\u1ec9)<\/strong><\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean, k\u1ebft qu\u1ea3 \u0111\u1ea7u ra ch\u00ednh x\u00e1c s\u1ebd kh\u00e1c nhau \u0111\u00f4i ch\u00fat, t\u00f9y thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 s\u1edf ho\u1eb7c \u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh c\u1ee7a b\u1ea1n - nh\u01b0ng h\u00ecnh \u1ea3nh n\u00e0y s\u1ebd cung c\u1ea5p cho b\u1ea1n \u00fd t\u01b0\u1edfng h\u1ee3p l\u00fd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">V\u1eadn h\u00e0nh b\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang CM.<\/h2>\n\n\n\n<p>Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i EM sang CM th\u1ee7 c\u00f4ng c\u00f3 th\u1ec3 t\u1ed1n th\u1eddi gian, \u0111\u1eb7c bi\u1ec7t l\u00e0 khi b\u1ea1n ph\u1ea3i x\u1eed l\u00fd nhi\u1ec1u gi\u00e1 tr\u1ecb. Ch\u00fang t\u00f4i th\u1eadm ch\u00ed c\u00f2n ph\u00e1t tri\u1ec3n c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang CM tr\u1ef1c tuy\u1ebfn c\u00e1 nh\u00e2n, ch\u1ec9 m\u1ea5t v\u00e0i gi\u00e2y \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i to\u00e0n b\u1ed9 qu\u00e1 tr\u00ecnh.<\/p>\n\n\n\n<p>C\u00e1c b\u01b0\u1edbc th\u1ef1c hi\u1ec7n nh\u01b0 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>Nh\u1eadp EM c\u1ee7a b\u1ea1n v\u00e0o \u00f4 nh\u1eadp li\u1ec7u. V\u00ed d\u1ee5: nh\u1eadp 2,5 EM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 2: Ch\u1ecdn C\u00e0i \u0111\u1eb7t (T\u00f9y ch\u1ecdn).<\/h3>\n\n\n\n<p>M\u1ed9t s\u1ed1 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i s\u1ebd cho ph\u00e9p b\u1ea1n ch\u1ecdn c\u1ee1 ch\u1eef c\u01a1 b\u1ea3n (t\u00ednh b\u1eb1ng pixel) ho\u1eb7c th\u1eadm ch\u00ed l\u00e0 DPI m\u00e0n h\u00ecnh. K\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c \u0111\u01b0a v\u00e0o d\u1ef1 \u00e1n c\u1ee7a b\u1ea1n \u0111\u00e3 \u0111\u01b0\u1ee3c bi\u1ebft, h\u00e3y nh\u1eadp k\u00edch th\u01b0\u1edbc c\u01a1 b\u1ea3n v\u00e0o tr\u01b0\u1eddng n\u00e0y v\u00e0 nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 t\u1ed1i \u01b0u.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 3: Nh\u1ea5p v\u00e0o \u201cChuy\u1ec3n \u0111\u1ed5i\u201d<\/h3>\n\n\n\n<p>Nh\u1ea5n v\u00e0o n\u00fat chuy\u1ec3n \u0111\u1ed5i \u2013 thi\u1ebft b\u1ecb s\u1ebd t\u1ef1 \u0111\u1ed9ng t\u00ednh to\u00e1n v\u00e0 hi\u1ec3n th\u1ecb gi\u00e1 tr\u1ecb t\u00e0i s\u1ea3n r\u00f2ng c\u1ee7a b\u1ea1n theo centimet (CM).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 4: Sao ch\u00e9p ho\u1eb7c ghi ch\u00fa k\u1ebft qu\u1ea3<\/h3>\n\n\n\n<p>CM thu \u0111\u01b0\u1ee3c c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n v\u00e0o t\u00e0i li\u1ec7u ho\u1eb7c y\u00eau c\u1ea7u c\u1ee7a d\u1ef1 \u00e1n.<\/p>\n\n\n\n<p>V\u1eady l\u00e0 xong! B\u1ea1n \u0111\u00e3 chuy\u1ec3n \u0111\u1ed5i EM th\u00e0nh CM ch\u1ec9 trong v\u00e0i gi\u00e2y.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3ng chuy\u1ec3n \u0111\u1ed5i EM sang CM<\/h2>\n\n\n\n<p>V\u00ed d\u1ee5 v\u1ec1 bi\u1ec3u \u0111\u1ed3 tham chi\u1ebfu nhanh v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef m\u1eb7c \u0111\u1ecbnh (16px) v\u00e0 \u0111\u1ed9 ph\u00e2n gi\u1ea3i m\u00e0n h\u00ecnh (96 PPI) nh\u01b0 sau:<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column300_0ac43a-9b > .kt-inside-inner-col,.kadence-column300_0ac43a-9b > .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-column300_0ac43a-9b > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_0ac43a-9b > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_0ac43a-9b > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_0ac43a-9b > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_0ac43a-9b{position:relative;}@media all and (max-width: 1024px){.kadence-column300_0ac43a-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_0ac43a-9b > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_0ac43a-9b\"><div class=\"kt-inside-inner-col\">\n<table border=\"1\">\n    <thead>\n        <tr>\n            <th>Gi\u00e1 tr\u1ecb EM<\/th>\n            <th>K\u00edch th\u01b0\u1edbc EM (PX)<\/th>\n            <th>Centimet (cm)<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>1<\/td>\n            <td>16<\/td>\n            <td>0,423cm<\/td>\n        <\/tr>\n        <tr>\n            <td>2<\/td>\n            <td>16<\/td>\n            <td>0,847cm<\/td>\n        <\/tr>\n        <tr>\n            <td>3<\/td>\n            <td>16<\/td>\n            <td>1,27cm<\/td>\n        <\/tr>\n        <tr>\n            <td>4<\/td>\n            <td>16<\/td>\n            <td>1,693 cm<\/td>\n        <\/tr>\n        <tr>\n            <td>5<\/td>\n            <td>16<\/td>\n            <td>2,117cm<\/td>\n        <\/tr>\n        <tr>\n            <td>6<\/td>\n            <td>16<\/td>\n            <td>2,54cm<\/td>\n        <\/tr>\n        <tr>\n            <td>7<\/td>\n            <td>16<\/td>\n            <td>2,963 cm<\/td>\n        <\/tr>\n        <tr>\n            <td>8<\/td>\n            <td>16<\/td>\n            <td>3.387cm<\/td>\n        <\/tr>\n        <tr>\n            <td>9<\/td>\n            <td>16<\/td>\n            <td>3,81cm<\/td>\n        <\/tr>\n        <tr>\n            <td>10<\/td>\n            <td>16<\/td>\n            <td>4.233cm<\/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-column300_af7441-8c > .kt-inside-inner-col,.kadence-column300_af7441-8c > .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-column300_af7441-8c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_af7441-8c > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_af7441-8c > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_af7441-8c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_af7441-8c, .kadence-column300_af7441-8c h1, .kadence-column300_af7441-8c h2, .kadence-column300_af7441-8c h3, .kadence-column300_af7441-8c h4, .kadence-column300_af7441-8c h5, .kadence-column300_af7441-8c h6{color:var(--global-palette9, #ffffff);}.kadence-column300_af7441-8c{position:relative;}@media all and (max-width: 1024px){.kadence-column300_af7441-8c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_af7441-8c > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_af7441-8c\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang CM?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. \u0110\u1ed9 ch\u00ednh x\u00e1c c\u1ee7a d\u1ef1 \u00e1n thi\u1ebft k\u1ebf.<\/h3>\n\n\n\n<p>Khi chuy\u1ec3n \u0111\u1ed5i k\u1ef9 thu\u1eadt s\u1ed1 sang in \u1ea5n, vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb c\u0169ng ch\u00ednh x\u00e1c v\u00e0 b\u1ea1n c\u00f3 th\u1ec3 ch\u1eafc ch\u1eafn r\u1eb1ng t\u1ef7 l\u1ec7 thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n s\u1ebd t\u01b0\u01a1ng t\u1ef1 nhau.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 c\u00f4ng s\u1ee9c<\/h3>\n\n\n\n<p>B\u1ea1n kh\u00f4ng c\u1ea7n ph\u1ea3i nh\u1eadp c\u00e1c ph\u01b0\u01a1ng tr\u00ecnh ph\u1ee9c t\u1ea1p ho\u1eb7c s\u1eed d\u1ee5ng m\u00e1y t\u00ednh c\u1ea7m tay, ch\u1ec9 c\u1ea7n nh\u1eadp gi\u00e1 tr\u1ecb EM v\u00e0 b\u1ea1n s\u1ebd nh\u1eadn \u0111\u01b0\u1ee3c k\u1ebft qu\u1ea3 ngay l\u1eadp t\u1ee9c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. H\u1ed7 tr\u1ee3 cho c\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n v\u00e0 nh\u00e0 thi\u1ebft k\u1ebf.<\/h3>\n\n\n\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i s\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa c\u00e1c ph\u00e9p \u0111o t\u01b0\u01a1ng \u0111\u1ed1i (EM) v\u00e0 tuy\u1ec7t \u0111\u1ed1i (CM) cho d\u00f9 b\u1ea1n \u0111ang so\u1ea1n th\u1ea3o CSS, ph\u00e1t tri\u1ec3n trang web hay xu\u1ea5t t\u00e0i nguy\u00ean.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. S\u1ef1 ho\u00e0n h\u1ea3o trong thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng.<\/h3>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng ki\u1ec3m tra c\u00e1ch thi\u1ebft k\u1ebf c\u1ee7a m\u00ecnh \u0111\u01b0\u1ee3c thu nh\u1ecf theo k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd th\u1ef1c t\u1ebf v\u00e0 c\u1ea3i thi\u1ec7n t\u00ednh nh\u1ea5t qu\u00e1n tr\u00ean nhi\u1ec1u thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Kh\u00f4ng gi\u1edbi h\u1ea1n v\u00e0 kh\u00f4ng g\u1eb7p r\u1eafc r\u1ed1i.<\/h3>\n\n\n\n<p>Kh\u00f4ng c\u1ea7n t\u1ea3i xu\u1ed1ng, kh\u00f4ng c\u1ea7n \u0111\u0103ng k\u00fd, t\u1ea5t c\u1ea3 nh\u1eefng g\u00ec b\u1ea1n c\u1ea7n l\u00e0m l\u00e0 m\u1edf tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i tr\u00ean ToolsMate.Online v\u00e0 b\u1ea1n \u0111\u00e3 s\u1eb5n s\u00e0ng s\u1eed d\u1ee5ng.<\/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>C\u00e1c nh\u00e0 ph\u00e1t tri\u1ec3n web ki\u1ec3m tra ph\u00f4ng ch\u1eef ho\u1eb7c t\u1ef7 l\u1ec7 b\u1ed1 c\u1ee5c c\u1ee7a c\u00e1c thi\u1ebft k\u1ebf c\u00f3 th\u1ec3 in \u0111\u01b0\u1ee3c.<\/li>\n\n\n\n<li>Nh\u00e0 thi\u1ebft k\u1ebf \u0111\u1ed3 h\u1ecda l\u00e0m vi\u1ec7c v\u1edbi c\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng giao di\u1ec7n c\u00f3 k\u00edch th\u01b0\u1edbc v\u1eadt l\u00fd ti\u00eau chu\u1ea9n.<\/li>\n\n\n\n<li>Kho\u1ea3ng c\u00e1ch EM t\u01b0\u01a1ng \u0111\u1ed1i - So s\u00e1nh v\u1edbi c\u00e1c ph\u00e9p \u0111o th\u1ef1c t\u1ebf c\u1ee7a c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf UI\/UX.<\/li>\n\n\n\n<li>Sinh vi\u00ean ho\u1eb7c ng\u01b0\u1eddi h\u1ecdc nghi\u00ean c\u1ee9u c\u00e1c \u0111\u01a1n v\u1ecb \u0111o l\u01b0\u1eddng c\u1ee7a CSS.<\/li>\n\n\n\n<li>Trong in \u1ea5n v\u00e0 bao b\u00ec, c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf so s\u00e1nh b\u1ea3n xem tr\u01b0\u1edbc tr\u00ean m\u00e0n h\u00ecnh v\u1edbi k\u00edch th\u01b0\u1edbc c\u1ee7a b\u1ea3n in tr\u00ean gi\u1ea5y.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3ng c\u00e2u h\u1ecfi (FAQ).<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. EM trong thi\u1ebft k\u1ebf l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p>EM l\u00e0 \u0111\u01a1n v\u1ecb t\u1ef7 l\u1ec7 c\u1ee7a CSS so v\u1edbi ph\u1ea7n t\u1eed ph\u00f4ng ch\u1eef. \u0110\u00e2y l\u00e0 m\u1ed9t \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i t\u1ef1 \u0111\u1ed9ng thay \u0111\u1ed5i theo s\u1ef1 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc c\u1ee7a ph\u00f4ng ch\u1eef c\u01a1 s\u1edf.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. EM c\u00f3 gi\u1ed1ng v\u1edbi PX hay CM kh\u00f4ng?<\/h3>\n\n\n\n<p>Kh\u00f4ng. PX (pixel) v\u00e0 CM (centimet) l\u00e0 \u0111\u01a1n v\u1ecb tuy\u1ec7t \u0111\u1ed1i, c\u00f2n EM l\u00e0 \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef \u0111ang \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng hi\u1ec7n t\u1ea1i. \u0110\u01a1n v\u1ecb EM \u0111\u01b0\u1ee3c \u01b0u ti\u00ean trong c\u00e1c thi\u1ebft k\u1ebf linh ho\u1ea1t v\u00e0 \u0111\u00e1p \u1ee9ng, trong khi CM l\u00e0 \u0111\u01a1n v\u1ecb c\u1ed1 \u0111\u1ecbnh v\u00e0 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng tr\u00ean b\u1ea3n in ho\u1eb7c k\u00edch th\u01b0\u1edbc ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. \u0110\u00e2y l\u00e0 nh\u1eefng c\u00e2u h\u1ecfi nh\u01b0ng s\u1ef1 li\u00ean quan c\u1ee7a vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i EM sang CM l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p>T\u00ednh ch\u1ea5t t\u01b0\u01a1ng \u0111\u1ed1i c\u1ee7a EM v\u00e0 t\u00ednh ch\u1ea5t kh\u00f4ng \u0111\u1ed5i c\u1ee7a CM c\u00f3 ngh\u0129a l\u00e0 c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n chuy\u1ec3n \u0111\u1ed5i khi b\u1ea1n mu\u1ed1n thi\u1ebft k\u1ebf d\u1ef1a tr\u00ean web c\u1ee7a m\u00ecnh ph\u00f9 h\u1ee3p v\u1edbi k\u00edch th\u01b0\u1edbc th\u1ef1c t\u1ebf, ch\u1eb3ng h\u1ea1n nh\u01b0 khi b\u1ea1n mu\u1ed1n in m\u1ed9t s\u1ed1 t\u00e0i li\u1ec7u in d\u1ef1a tr\u00ean thi\u1ebft k\u1ebf do m\u00e1y t\u00ednh t\u1ea1o ra.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Gi\u00e1 tr\u1ecb EM c\u00f3 ph\u1ee5 thu\u1ed9c v\u00e0o tr\u00ecnh duy\u1ec7t hay thi\u1ebft b\u1ecb kh\u00f4ng?<\/h3>\n\n\n\n<p>C\u00f3. EM ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng l\u00e0m n\u1ec1n v\u00e0 c\u00f3 th\u1ec3 thay \u0111\u1ed5i t\u00f9y theo tr\u00ecnh duy\u1ec7t, thi\u1ebft b\u1ecb ho\u1eb7c s\u1edf th\u00edch c\u00e1 nh\u00e2n. \u0110\u00e2y l\u00e0 l\u00fd do t\u1ea1i sao b\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang CM s\u1ebd \u0111\u1ea3m b\u1ea3o m\u1ee9c \u0111\u1ed9 nh\u1ea5t qu\u00e1n ch\u1ea5p nh\u1eadn \u0111\u01b0\u1ee3c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang CM n\u00e0y c\u00f3 mi\u1ec5n ph\u00ed kh\u00f4ng?<\/h3>\n\n\n\n<p>Ch\u1eafc ch\u1eafn r\u1ed3i! C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang CM tr\u00ean ToolsMate.online ho\u00e0n to\u00e0n mi\u1ec5n ph\u00ed, ch\u1ea1y tr\u00ean tr\u00ecnh duy\u1ec7t v\u00e0 kh\u00f4ng y\u00eau c\u1ea7u c\u00e0i \u0111\u1eb7t hay \u0111\u0103ng k\u00fd.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Suy ngh\u0129 cu\u1ed1i c\u00f9ng<\/h2>\n\n\n\n<p>B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang CM l\u00e0 m\u1ed9t thi\u1ebft b\u1ecb c\u1ef1c k\u1ef3 quan tr\u1ecdng m\u00e0 m\u1ed7i c\u00e1 nh\u00e2n c\u1ea7n ph\u1ea3i x\u1eed l\u00fd c\u00e1c ph\u00e9p \u0111o k\u1ef9 thu\u1eadt s\u1ed1. N\u00f3 c\u0169ng gi\u00fap thu h\u1eb9p kho\u1ea3ng c\u00e1ch gi\u1eefa c\u00e1c \u0111\u01a1n v\u1ecb t\u01b0\u01a1ng \u0111\u1ed1i v\u00e0 tuy\u1ec7t \u0111\u1ed1i, \u0111\u1ed3ng th\u1eddi \u0111\u1ea3m b\u1ea3o b\u1ea1n thi\u1ebft k\u1ebf, l\u1eadp tr\u00ecnh v\u00e0 in \u1ea5n ch\u00ednh x\u00e1c.<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 n\u00e0y gi\u00fap cu\u1ed9c s\u1ed1ng c\u1ee7a b\u1ea1n d\u1ec5 d\u00e0ng h\u01a1n b\u1ea5t k\u1ec3 b\u1ea1n l\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n chuy\u00ean nghi\u1ec7p, nh\u00e0 thi\u1ebft k\u1ebf s\u00e1ng t\u1ea1o hay ng\u01b0\u1eddi m\u1edbi b\u1eaft \u0111\u1ea7u th\u1eadm ch\u00ed kh\u00f4ng bi\u1ebft \u0111\u01a1n v\u1ecb CSS c\u00f3 ngh\u0129a l\u00e0 g\u00ec.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column300_df78dc-e1 > .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-column300_df78dc-e1 > .kt-inside-inner-col,.kadence-column300_df78dc-e1 > .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-column300_df78dc-e1 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_df78dc-e1 > .kt-inside-inner-col{flex-direction:column;}.kadence-column300_df78dc-e1 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column300_df78dc-e1 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column300_df78dc-e1 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_df78dc-e1{position:relative;}@media all and (max-width: 1024px){.kadence-column300_df78dc-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column300_df78dc-e1 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column300_df78dc-e1\"><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-12478d6ec27c6becfbce4f7f891dd65c\">Th\u00eam chuy\u1ec3n \u0111\u1ed5i EM &amp; CM<\/h2>\n<\/div><\/div>\n\n\n<style>.kadence-column300_d9e658-de > .kt-inside-inner-col{display:flex;}.kadence-column300_d9e658-de > .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-column300_d9e658-de > .kt-inside-inner-col,.kadence-column300_d9e658-de > .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-column300_d9e658-de > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column300_d9e658-de > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:flex-start;}.kadence-column300_d9e658-de > .kt-inside-inner-col > *, .kadence-column300_d9e658-de > .kt-inside-inner-col > figure.wp-block-image, .kadence-column300_d9e658-de > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column300_d9e658-de > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kt-row-column-wrap > .kadence-column300_d9e658-de{align-self:flex-start;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column300_d9e658-de{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column300_d9e658-de > .kt-inside-inner-col{align-items:flex-start;}.kadence-column300_d9e658-de > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column300_d9e658-de > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column300_d9e658-de, .kadence-column300_d9e658-de h1, .kadence-column300_d9e658-de h2, .kadence-column300_d9e658-de h3, .kadence-column300_d9e658-de h4, .kadence-column300_d9e658-de h5, .kadence-column300_d9e658-de h6{color:var(--global-palette2, #2B6CB0);}.kadence-column300_d9e658-de a{color:var(--global-palette2, #2B6CB0);}.kadence-column300_d9e658-de{position:relative;}@media all and (max-width: 1024px){.kt-row-column-wrap > .kadence-column300_d9e658-de{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-column300_d9e658-de{align-self:auto;}}@media all and (max-width: 1024px){.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column300_d9e658-de > .kt-inside-inner-col{align-items:flex-start;}}@media all and (max-width: 1024px){.kadence-column300_d9e658-de > .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-column300_d9e658-de > .kt-inside-inner-col > *, .kadence-column300_d9e658-de > .kt-inside-inner-col > figure.wp-block-image, .kadence-column300_d9e658-de > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column300_d9e658-de > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}}@media all and (max-width: 767px){.kt-row-column-wrap > .kadence-column300_d9e658-de{align-self:flex-start;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column300_d9e658-de{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column300_d9e658-de > .kt-inside-inner-col{align-items:flex-start;}.kadence-column300_d9e658-de > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;justify-content:flex-start;}.kadence-column300_d9e658-de > .kt-inside-inner-col > *, .kadence-column300_d9e658-de > .kt-inside-inner-col > figure.wp-block-image, 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INCH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/cm-to-pc-converter\/\">CM sang PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/cm-to-mm-converter\/\">CM sang MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/cm-to-vh-converter\/\">CM sang VH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/cm-to-percent-converter\/\">CM 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-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 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