{"id":292,"date":"2024-08-19T09:19:00","date_gmt":"2024-08-19T09:19:00","guid":{"rendered":"https:\/\/pixelsconverter.online\/?page_id=292"},"modified":"2025-10-24T04:29:20","modified_gmt":"2025-10-24T04:29:20","slug":"em-to-vh-converter","status":"publish","type":"page","link":"https:\/\/toolsmate.online\/vi\/em-to-vh-converter\/","title":{"rendered":"M\u00e1y chuy\u1ec3n \u0111\u1ed5i EM sang VH"},"content":{"rendered":"<style>.kb-row-layout-id292_4aa20b-69 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id292_4aa20b-69 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id292_4aa20b-69 > .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-id292_4aa20b-69 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id292_4aa20b-69 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id292_4aa20b-69 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id292_4aa20b-69 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-column292_e6562a-49 > .kt-inside-inner-col,.kadence-column292_e6562a-49 > .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-column292_e6562a-49 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_e6562a-49 > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_e6562a-49 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_e6562a-49 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_e6562a-49{position:relative;}@media all and (max-width: 1024px){.kadence-column292_e6562a-49 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_e6562a-49 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_e6562a-49\"><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-74de8a0810f59f12b9e6f077681942f0\">B\u1ed8 CHUY\u1ec2N \u0110\u1ed4I EM SANG VH<\/h1>\n<\/div><\/div>\n\n\n<style>.kadence-column292_ff26f2-f8 > .kt-inside-inner-col,.kadence-column292_ff26f2-f8 > .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-column292_ff26f2-f8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_ff26f2-f8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_ff26f2-f8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_ff26f2-f8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_ff26f2-f8{position:relative;}@media all and (max-width: 1024px){.kadence-column292_ff26f2-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_ff26f2-f8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_ff26f2-f8\"><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=\"input-group\">\n        <input type=\"number\" id=\"viewportHeightInput\" placeholder=\"Nh\u1eadp Chi\u1ec1u cao Viewport\">\n        <label for=\"viewportHeightInput\">Chi\u1ec1u cao c\u1ee7a Viewport<\/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 viewportHeightInput = document.getElementById('viewportHeightInput');\n    const resultDisplay = document.getElementById('resultDisplay');\n    const copyIcon = document.createElement('span'); \/\/ Create the copy icon container\n\n    \/\/ Set default values for EM Size and Viewport Height\n    emSizeInput.value = 16; \/\/ Default EM size\n    viewportHeightInput.value = 1000; \/\/ Default Viewport Height\n\n    \/\/ Function to convert EM to VH\n    function convertEmToVh() {\n        const emValue = parseFloat(emInput.value);\n        const emSizeValue = parseFloat(emSizeInput.value);\n        const viewportHeightValue = parseFloat(viewportHeightInput.value);\n        \n        if (!isNaN(emValue) && !isNaN(emSizeValue) && !isNaN(viewportHeightValue)) {\n            const vhValue = (emValue * emSizeValue) \/ viewportHeightValue * 100; \/\/ Convert EM to VH\n\n            \/\/ Check if the vhValue is a whole number\n            const displayValue = (vhValue % 1 === 0) ? vhValue : vhValue.toFixed(2);\n            resultDisplay.textContent = displayValue + ' vh';  \/\/ Display the result in VH with 'vh' 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', convertEmToVh);\n    emSizeInput.addEventListener('input', convertEmToVh);\n    viewportHeightInput.addEventListener('input', convertEmToVh);\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 vhValue = resultDisplay.textContent;\n        if (vhValue && vhValue !== 'Result will be shown here') {\n            const valueToCopy = vhValue.replace('vh', '').trim();  \/\/ Remove the 'vh' 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\/vh-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-column292_8f33ff-bb > .kt-inside-inner-col,.kadence-column292_8f33ff-bb > .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-column292_8f33ff-bb > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_8f33ff-bb > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_8f33ff-bb > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_8f33ff-bb > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_8f33ff-bb, .kadence-column292_8f33ff-bb h1, .kadence-column292_8f33ff-bb h2, .kadence-column292_8f33ff-bb h3, .kadence-column292_8f33ff-bb h4, .kadence-column292_8f33ff-bb h5, .kadence-column292_8f33ff-bb h6{color:var(--global-palette9, #ffffff);}.kadence-column292_8f33ff-bb a{color:var(--global-palette7, #EDF2F7);}.kadence-column292_8f33ff-bb{position:relative;}@media all and (max-width: 1024px){.kadence-column292_8f33ff-bb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_8f33ff-bb > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_8f33ff-bb\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH - Thi\u1ebft k\u1ebf \u0111\u00e1p \u1ee9ng d\u1ec5 d\u00e0ng.<\/h2>\n\n\n\n<p>N\u00f3 ch\u00ednh x\u00e1c trong vi\u1ec7c t\u1ea1o ra m\u1ed9t trang web \u0111\u00e1p \u1ee9ng chi ti\u1ebft. S\u1ed1 l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb \u0111\u01b0\u1ee3c t\u00ednh (c\u1ee5 th\u1ec3 l\u00e0 m\u1ed9t th\u01b0\u1edbc \u0111o thay th\u1ebf cho ph\u00f4ng ch\u1eef v\u00e0 khung nh\u00ecn). Khi EM c\u1ee7a ch\u00fang t\u00f4i \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i th\u00e0nh VH Converter, n\u00f3 c\u00f3 th\u1ec3 d\u1ec5 d\u00e0ng \u0111\u01b0\u1ee3c thay \u0111\u1ed5i th\u00e0nh gi\u00e1 tr\u1ecb VH (chi\u1ec1u cao khung nh\u00ecn).<\/p>\n\n\n\n<p>C\u00f4ng c\u1ee5 n\u00e0y r\u1ea5t thi\u1ebft th\u1ef1c v\u00ec n\u00f3 cho ph\u00e9p c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf web, l\u1eadp tr\u00ecnh vi\u00ean front-end v\u00e0 c\u00e1c chuy\u00ean gia ph\u1ee5 tr\u00e1ch UI\/UX t\u00f9y ch\u1ec9nh ki\u1ec3u ch\u1eef, kho\u1ea3ng c\u00e1ch v\u00e0 c\u1ea5u tr\u00fac cho ph\u00f9 h\u1ee3p v\u1edbi nhi\u1ec1u \u0111\u1ed9 cao m\u00e0n h\u00ecnh kh\u00e1c nhau. Thay v\u00ec ph\u1ea3i t\u00ednh to\u00e1n th\u1ee7 c\u00f4ng, b\u1ea1n s\u1ebd c\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i ch\u00ednh x\u00e1c theo th\u1eddi gian th\u1ef1c, ti\u1ebft ki\u1ec7m th\u1eddi gian v\u00e0 n\u00e2ng cao t\u00ednh nh\u1ea5t qu\u00e1n gi\u1eefa c\u00e1c thi\u1ebft b\u1ecb.<\/p>\n\n\n\n<p>\u0110\u00f3 l\u00e0 t\u00ednh linh ho\u1ea1t c\u1ee7a b\u1ed1 c\u1ee5c ho\u1eb7c ph\u00f4ng ch\u1eef \u0111\u01b0\u1ee3c \u0111i\u1ec1u ch\u1ec9nh linh ho\u1ea1t nh\u01b0ng d\u00f9 theo c\u00e1ch n\u00e0o th\u00ec b\u1ed9 chuy\u1ec3n \u0111\u1ed5i n\u00e0y ch\u1eafc ch\u1eafn r\u1eb1ng c\u00e1c t\u00ednh n\u0103ng thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n s\u1ebd ph\u00f9 h\u1ee3p ho\u00e0n h\u1ea3o tr\u00ean m\u1ecdi m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u0110\u01a1n v\u1ecb EM v\u00e0 VH l\u00e0 g\u00ec?<\/h2>\n\n\n\n<p>Tuy nhi\u00ean, tr\u01b0\u1edbc khi chuy\u1ec3n \u0111\u1ed5i, ch\u00fang ta c\u1ea7n \u0111\u01b0\u1ee3c th\u00f4ng b\u00e1o ng\u1eafn g\u1ecdn v\u1ec1 hai \u0111\u01a1n v\u1ecb CSS \u0111\u00e1ng ch\u00fa \u00fd sau:<\/p>\n\n\n\n<p><strong>EM (em):<\/strong> \u0110\u01a1n v\u1ecb t\u1ef7 l\u1ec7 thu\u1eadn v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a th\u00e0nh ph\u1ea7n. V\u00ed d\u1ee5: Gi\u1ea3 s\u1eed k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 s\u1edf l\u00e0 16x. 1em s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 16x v\u00e0 2em s\u1ebd c\u00f3 gi\u00e1 tr\u1ecb l\u00e0 32x, v.v. \u0110\u01a1n v\u1ecb EM s\u1ebd ph\u00f9 h\u1ee3p nh\u1ea5t trong vi\u1ec7c ph\u00e1t tri\u1ec3n ph\u00f4ng ch\u1eef v\u00e0 kh\u00f4ng gian c\u00f3 kh\u1ea3 n\u0103ng thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef.<\/p>\n\n\n\n<p><strong>VH (chi\u1ec1u cao khung nh\u00ecn):<\/strong> \u0111\u00e2y l\u00e0 \u0111\u01a1n v\u1ecb so s\u00e1nh v\u1edbi chi\u1ec1u cao c\u1ee7a c\u1eeda s\u1ed5 tr\u00ecnh duy\u1ec7t (khung nh\u00ecn).<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>1vh = 1% chi\u1ec1u cao c\u1ee7a khung nh\u00ecn.<\/li>\n\n\n\n<li>Tr\u01b0\u1eddng h\u1ee3p 1vh s\u1ebd t\u01b0\u01a1ng \u0111\u01b0\u01a1ng v\u1edbi 10px, trong tr\u01b0\u1eddng h\u1ee3p khung nh\u00ecn c\u00f3 chi\u1ec1u cao l\u00e0 1000px.<\/li>\n<\/ul>\n\n\n\n<p>Kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i gi\u1eefa ch\u00fang cho ph\u00e9p k\u1ebft h\u1ee3p c\u00e1c b\u1ed1 c\u1ee5c d\u1ef1a tr\u00ean khung nh\u00ecn v\u00e0 k\u00edch th\u01b0\u1edbc t\u01b0\u01a1ng \u0111\u1ed1i theo v\u0103n b\u1ea3n \u2013 m\u1ed9t th\u1ee7 thu\u1eadt m\u1edbi l\u1ea1 v\u00e0 c\u00f3 kh\u1ea3 n\u0103ng m\u1edf r\u1ed9ng c\u1ee7a thi\u1ebft k\u1ebf web.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00f4ng th\u1ee9c chuy\u1ec3n \u0111\u1ed5i EM sang VH<\/h2>\n\n\n\n<p>Ph\u01b0\u01a1ng tr\u00ecnh t\u1ed5ng th\u1ec3 c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i EM sang VH l\u00e0:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>VH = (Gi\u00e1 tr\u1ecb EM \u00d7 K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef)\/ Chi\u1ec1u cao khung nh\u00ecn \u00d7100<\/code><\/pre>\n\n\n\n<p>\u0110\u00e2y l\u00e0 m\u1ed9t ph\u01b0\u01a1ng tr\u00ecnh t\u00ednh \u0111\u1ebfn k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef (s\u1ed1 pixel) v\u00e0 chi\u1ec1u cao khung nh\u00ecn (s\u1ed1 pixel).<\/p>\n\n\n\n<p><strong>V\u00ed d\u1ee5 t\u00ednh to\u00e1n<\/strong><\/p>\n\n\n\n<p><strong>Ch\u00fang ta h\u00e3y n\u00f3i:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>K\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef = 16px<\/li>\n\n\n\n<li>Chi\u1ec1u cao khung nh\u00ecn = 800px<\/li>\n\n\n\n<li>Gi\u00e1 tr\u1ecb EM = 1em<\/li>\n<\/ul>\n\n\n\n<p><strong>B\u00e2y gi\u1edd h\u00e3y ch\u00e8n c\u00e1c s\u1ed1 li\u1ec7u v\u00e0o c\u00f4ng th\u1ee9c:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-6-background-color has-background\"><code>VH = <strong>( 1 \u00d7 16 ) \/ 800 \u00d7 100 = 2vh<\/strong><\/code><\/pre>\n\n\n\n<p>C\u00e2u tr\u1ea3 l\u1eddi trong tr\u01b0\u1eddng h\u1ee3p n\u00e0y s\u1ebd l\u00e0 kho\u1ea3ng 2vh 1 em.<\/p>\n\n\n\n<p>T\u1ea5t nhi\u00ean, \u0111i\u1ec1u n\u00e0y s\u1ebd ph\u1ee5 thu\u1ed9c v\u00e0o k\u00edch th\u01b0\u1edbc m\u00e0n h\u00ecnh m\u00e0 ng\u01b0\u1eddi d\u00f9ng \u0111ang xem v\u00e0 k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u1ee7a b\u1ea1n, do \u0111\u00f3, \u0111\u00f3 l\u00e0 l\u00fd do t\u1ea1i sao vi\u1ec7c s\u1eed d\u1ee5ng B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH \u0111\u1ed9ng nh\u01b0 b\u1ed9 chuy\u1ec3n \u0111\u1ed5i m\u00e0 ch\u00fang t\u00f4i \u0111\u00e3 s\u1eed d\u1ee5ng l\u1ea1i h\u1ee3p l\u00fd v\u00e0 nhanh h\u01a1n nhi\u1ec1u.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Ho\u1ea1t \u0111\u1ed9ng c\u1ee7a b\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH.<\/h2>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i c\u1ee7a ch\u00fang t\u00f4i \u0111\u1ec3 chuy\u1ec3n \u0111\u1ed5i Toolsmate.Online. Sau \u0111\u00e2y l\u00e0 c\u00e1ch b\u1ea1n c\u00f3 th\u1ec3 th\u1ef1c hi\u1ec7n vi\u1ec7c n\u00e0y ch\u1ec9 trong v\u00e0i gi\u00e2y:<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 1: Ch\u1ecdn C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang VH.<\/h3>\n\n\n\n<p>H\u00e3y truy c\u1eadp toolsmate.online v\u00e0 truy c\u1eadp trang Chuy\u1ec3n \u0111\u1ed5i EM sang VH.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 2: Nh\u1eadp gi\u00e1 tr\u1ecb EM<\/h3>\n\n\n\n<p>Nh\u1eadp s\u1ed1 l\u01b0\u1ee3ng \u0111\u01a1n v\u1ecb EM mong mu\u1ed1n v\u00e0o tr\u01b0\u1eddng nh\u1eadp li\u1ec7u (v\u00ed d\u1ee5: 1,5em ho\u1eb7c 2em).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 3: C\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef (T\u00f9y ch\u1ecdn)<\/h3>\n\n\n\n<p>B\u1ea1n c\u00f3 th\u1ec3 thay \u0111\u1ed5i k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef c\u01a1 b\u1ea3n (16 ho\u1eb7c 18, v.v.) th\u00e0nh k\u00edch th\u01b0\u1edbc c\u1ee5 th\u1ec3 h\u01a1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 4: X\u00e1c \u0111\u1ecbnh chi\u1ec1u cao c\u1ee7a Viewport.<\/h3>\n\n\n\n<p>Nh\u1eadp chi\u1ec1u cao khung nh\u00ecn hi\u1ec7n t\u1ea1i (pixel). Th\u00f4ng th\u01b0\u1eddng, \u0111\u00e2y l\u00e0 k\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a c\u1ee7a c\u1eeda s\u1ed5 tr\u00ecnh duy\u1ec7t t\u01b0\u01a1ng \u1ee9ng v\u1edbi k\u00edch th\u01b0\u1edbc t\u1ed1i \u0111a c\u1ee7a ng\u01b0\u1eddi d\u00f9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">B\u01b0\u1edbc 5: Nh\u1eadn k\u1ebft qu\u1ea3 t\u1ee9c th\u00ec<\/h3>\n\n\n\n<p>VH t\u01b0\u01a1ng \u1ee9ng s\u1ebd \u0111\u01b0\u1ee3c hi\u1ec3n th\u1ecb ngay sau khi d\u1eef li\u1ec7u \u0111\u01b0\u1ee3c nh\u1eadp v\u00e0o.<\/p>\n\n\n\n<p>M\u1ed9t gi\u1ea3i ph\u00e1p thay th\u1ebf kh\u00e1c l\u00e0 ti\u1ebfn h\u00e0nh theo h\u01b0\u1edbng ng\u01b0\u1ee3c l\u1ea1i v\u00e0 c\u00f3 gi\u00e1 tr\u1ecb VH \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c gi\u00e1 tr\u1ecb EM ph\u00f9 h\u1ee3p.<\/p>\n\n\n\n<p>N\u00f3 nhanh ch\u00f3ng v\u00e0 ch\u00ednh x\u00e1c, kh\u00f4ng g\u00e2y nh\u1ea7m l\u1eabn, kh\u00f4ng t\u00ednh to\u00e1n v\u00e0 chuy\u1ec3n \u0111\u1ed5i theo th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">T\u1ea1i sao n\u00ean s\u1eed d\u1ee5ng b\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH?<\/h2>\n\n\n\n<p>Chuy\u1ec3n \u0111\u1ed5i EM v\u00e0 VH c\u00f3 th\u1ec3 l\u00e0 m\u1ed9t qu\u00e1 tr\u00ecnh ph\u1ee9c t\u1ea1p v\u00ec c\u1ea3 hai \u0111\u1ec1u l\u00e0 gi\u00e1 tr\u1ecb \u0111\u1ed9ng, c\u1ee1 ch\u1eef v\u00e0 chi\u1ec1u cao khung nh\u00ecn. C\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i EM sang VH tr\u1ef1c tuy\u1ebfn s\u1ebd gi\u00fap b\u1ea1n gi\u1ea3i quy\u1ebft v\u1ea5n \u0111\u1ec1 n\u00e0y v\u00e0 n\u00f3 c\u0169ng th\u01b0\u1eddng xuy\u00ean xu\u1ea5t hi\u1ec7n trong c\u00e1c thi\u1ebft k\u1ebf c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">L\u1ee3i \u00edch ch\u00ednh<\/h3>\n\n\n\n<h3 class=\"wp-block-heading\">Chuy\u1ec3n \u0111\u1ed5i th\u1eddi gian th\u1ef1c:<\/h3>\n\n\n\n<p>K\u1ebft qu\u1ea3 truy c\u1eadp tr\u1ef1c ti\u1ebfp t\u1eeb EM t\u1edbi VH l\u00e0 theo th\u1eddi gian th\u1ef1c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">T\u1ed1i \u0111a h\u00f3a n\u0103ng su\u1ea5t thi\u1ebft k\u1ebf:<\/h3>\n\n\n\n<p>Gi\u00fap \u0111\u1ea3m b\u1ea3o c\u00f3 c\u00e1c b\u1ed1 c\u1ee5c t\u1ef7 l\u1ec7 c\u00f3 nhi\u1ec1u k\u00edch c\u1ee1 kh\u00e1c nhau tr\u00ean m\u00e0n h\u00ecnh.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u0110\u1ed9 ch\u00ednh x\u00e1c v\u00e0 t\u00ednh nh\u1ea5t qu\u00e1n:<\/h3>\n\n\n\n<p>Kh\u00f4ng c\u00f3 l\u1ed7i to\u00e1n h\u1ecdc v\u00e0 m\u1ed1i li\u00ean h\u1ec7 kh\u00f4ng ch\u00ednh x\u00e1c gi\u1eefa c\u00e1c y\u1ebfu t\u1ed1.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Chuy\u1ec3n \u0111\u1ed5i hai chi\u1ec1u:<\/h3>\n\n\n\n<p>Nhanh ch\u00f3ng c\u1ea1nh tranh EM VH v\u1edbi VH EM.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t:<\/h3>\n\n\n\n<p>D\u1ef1a tr\u00ean tr\u00ecnh duy\u1ec7t ho\u00e0n ch\u1ec9nh \u2013 c\u00f3 th\u1ec3 s\u1eed d\u1ee5ng tr\u00ean m\u1ecdi thi\u1ebft b\u1ecb v\u00e0o b\u1ea5t k\u1ef3 l\u00fac n\u00e0o.<\/p>\n\n\n\n<p><strong>L\u00fd t\u01b0\u1edfng cho<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>C\u00e1c nh\u00e0 thi\u1ebft k\u1ebf web l\u00e0 nh\u1eefng ng\u01b0\u1eddi \u0111\u00e3 ph\u00e1t tri\u1ec3n ph\u00f4ng ch\u1eef \u0111\u00e0n h\u1ed3i.<\/li>\n\n\n\n<li>Nh\u00e0 thi\u1ebft k\u1ebf web CSS grid v\u00e0 Flexbox.<\/li>\n\n\n\n<li>C\u00e1c m\u1ee5c ph\u1ea3n h\u1ed3i c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf UI\/UX \u0111i\u1ec1u ch\u1ec9nh.<\/li>\n\n\n\n<li>M\u1ecdi ng\u01b0\u1eddi \u0111ang t\u1ed1i \u01b0u h\u00f3a c\u00e1c trang web c\u00f3 ch\u1ee9a nhi\u1ec1u ti\u1ec7n \u00edch.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1ea3ng m\u1eabu chuy\u1ec3n \u0111\u1ed5i EM sang VH.<\/h2>\n\n\n\n<p>Sau \u0111\u00e2y l\u00e0 b\u1ea3ng tham chi\u1ebfu nhanh, \u0111\u01b0\u1ee3c t\u1ea1o v\u1edbi k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef l\u00e0 16 pixel v\u00e0 chi\u1ec1u cao khung nh\u00ecn l\u00e0 800 pixel:<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column292_f39162-7d > .kt-inside-inner-col,.kadence-column292_f39162-7d > .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-column292_f39162-7d > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_f39162-7d > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_f39162-7d > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_f39162-7d > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_f39162-7d{position:relative;}@media all and (max-width: 1024px){.kadence-column292_f39162-7d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_f39162-7d > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_f39162-7d\"><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>Chi\u1ec1u cao khung nh\u00ecn (PX)<\/th>\n            <th>Gi\u00e1 tr\u1ecb VH (vh)<\/th>\n        <\/tr>\n    <\/thead>\n    <tbody>\n        <tr>\n            <td>1<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>1.60 vh<\/td>\n        <\/tr>\n        <tr>\n            <td>2<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>3.20vh<\/td>\n        <\/tr>\n        <tr>\n            <td>3<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>4.80 vh<\/td>\n        <\/tr>\n        <tr>\n            <td>4<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>6.40 vh<\/td>\n        <\/tr>\n        <tr>\n            <td>5<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>8.00 vh<\/td>\n        <\/tr>\n        <tr>\n            <td>6<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>9.60vh<\/td>\n        <\/tr>\n        <tr>\n            <td>7<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>11.20vh<\/td>\n        <\/tr>\n        <tr>\n            <td>8<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>12,80 vh<\/td>\n        <\/tr>\n        <tr>\n            <td>9<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>14.40 gi\u1edd<\/td>\n        <\/tr>\n        <tr>\n            <td>10<\/td>\n            <td>16<\/td>\n            <td>1000<\/td>\n            <td>16.00 vh<\/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-column292_14dd7b-c5 > .kt-inside-inner-col,.kadence-column292_14dd7b-c5 > .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-column292_14dd7b-c5 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_14dd7b-c5 > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_14dd7b-c5 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_14dd7b-c5 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_14dd7b-c5{position:relative;}@media all and (max-width: 1024px){.kadence-column292_14dd7b-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_14dd7b-c5 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_14dd7b-c5\"><div class=\"kt-inside-inner-col\">\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-96a4eb7ac8b0b94ec31ad811880506a0\">\u0110i\u1ec1u n\u00e0y ch\u1ee9ng minh r\u1eb1ng t\u1ef7 l\u1ec7 EM v\u00e0 VH l\u00e0 t\u1ef7 l\u1ec7 thu\u1eadn. T\u1ea5t nhi\u00ean, b\u1ea1n s\u1ebd kh\u00f4ng nh\u1eadn \u0111\u01b0\u1ee3c h\u00ecnh \u1ea3nh ch\u00ednh x\u00e1c nh\u01b0 nhau trong m\u1ea3ng th\u1ef1c t\u1ebf do k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef v\u00e0 chi\u1ec1u cao th\u1ef1c t\u1ebf c\u1ee7a khung nh\u00ecn trang web, do \u0111\u00f3, c\u00f4ng c\u1ee5 chuy\u1ec3n \u0111\u1ed5i tr\u1ef1c ti\u1ebfp c\u1ee7a ch\u00fang t\u00f4i s\u1ebd cung c\u1ea5p cho b\u1ea1n c\u00e1c s\u1ed1 li\u1ec7u ch\u00ednh x\u00e1c cho b\u1ea3n ph\u1ed1i m\u00e0u c\u1ee5 th\u1ec3 c\u1ee7a b\u1ea1n.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">C\u00e1c tr\u01b0\u1eddng h\u1ee3p s\u1eed d\u1ee5ng th\u1ef1c t\u1ebf<\/h2>\n\n\n\n<ul class=\"wp-block-list has-theme-palette-9-color has-text-color has-link-color wp-elements-60f0092c8418bd4b12ac85c69e42cfe8\">\n<li><strong>Ki\u1ec3u ch\u1eef \u0111\u00e1p \u1ee9ng:<\/strong> EM th\u00e0nh VH: Cho ph\u00e9p \u0111i\u1ec1u ch\u1ec9nh k\u00edch th\u01b0\u1edbc c\u1ee7a c\u00e1c th\u00e0nh ph\u1ea7n v\u0103n b\u1ea3n m\u1ed9t c\u00e1ch thu\u1eadn ti\u1ec7n theo chi\u1ec1u cao c\u1ee7a khung nh\u00ecn c\u1ee7a nhi\u1ec1u ti\u1ec7n \u00edch kh\u00e1c nhau.<\/li>\n\n\n\n<li><strong>Ph\u1ea7n Anh h\u00f9ng n\u0103ng \u0111\u1ed9ng:<\/strong> Thu nh\u1ecf ti\u00eau \u0111\u1ec1 ho\u1eb7c bi\u1ec3u ng\u1eef xu\u1ed1ng t\u1eadn m\u00e0n h\u00ecnh \u0111\u1ec3 \u0111\u1ea1t \u0111\u01b0\u1ee3c t\u1ef7 l\u1ec7 h\u00ecnh \u1ea3nh t\u1ed1i \u01b0u.<\/li>\n\n\n\n<li><strong>Kho\u1ea3ng c\u00e1ch ch\u1ea5t l\u1ecfng:<\/strong> Ph\u1ea7n \u0111\u1ec7m ho\u1eb7c l\u1ec1 kh\u00f4ng b\u1ecb \u1ea3nh h\u01b0\u1edfng b\u1edfi s\u1ef1 thay \u0111\u1ed5i c\u1ee7a khung nh\u00ecn, do \u0111\u00f3 c\u00e1c gi\u00e1 tr\u1ecb VH thu \u0111\u01b0\u1ee3c b\u1eb1ng EM \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o r\u1eb1ng \u0111i\u1ec1u \u0111\u00f3 kh\u00f4ng x\u1ea3y ra.<\/li>\n\n\n\n<li><strong>Ho\u1ea1t \u1ea3nh v\u00e0 t\u1ef7 l\u1ec7 CSS:<\/strong> C\u00e1c \u0111\u1ed1i t\u01b0\u1ee3ng c\u1ea7n \u0111o k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef v\u00e0 k\u00edch th\u01b0\u1edbc khung nh\u00ecn ph\u1ea3i c\u00e2n x\u1ee9ng.<\/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. S\u1ef1 kh\u00e1c bi\u1ec7t gi\u1eefa EM v\u00e0 VH l\u00e0 g\u00ec?<\/h3>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-209436ccde76b43fd1321fda0fe96625\">EM \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng k\u00edch th\u01b0\u1edbc ph\u00f4ng ch\u1eef (so v\u1edbi ph\u1ea7n t\u1eed cha) v\u00e0 VH \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng chi\u1ec1u cao khung nh\u00ecn. EM c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i t\u1ef7 l\u1ec7 ki\u1ec3u ch\u1eef, v\u00e0 VH c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng \u0111\u1ec3 thay \u0111\u1ed5i t\u1ef7 l\u1ec7 b\u1ed1 c\u1ee5c.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. T\u1ea1i sao t\u00f4i n\u00ean chuy\u1ec3n \u0111\u1ed5i EM sang VH?<\/h3>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-729017bdcb14df9d2c3796216707ddba\">Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i EM sang VH c\u00f3 th\u1ec3 h\u1ed7 tr\u1ee3 cung c\u1ea5p c\u00e1c b\u1ed1 c\u1ee5c \u1ed5n \u0111\u1ecbnh h\u01a1n, c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang c\u00e1c \u0111\u1ed9 cao kh\u00e1c c\u1ee7a m\u00e0n h\u00ecnh c\u1ea7n thi\u1ebft trong c\u00e1c b\u1ed1 c\u1ee5c ho\u00e0n to\u00e0n \u0111\u00e1p \u1ee9ng.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. C\u00f3 th\u1ec3 chuy\u1ec3n \u0111\u1ed5i VH sang EM b\u1eb1ng c\u00f4ng c\u1ee5 n\u00e0y kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-ab3a305a623b3a4bd00960dd87d2c076\">C\u00f3! L\u00fd do l\u00e0 v\u00ec B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH \u0111\u01b0\u1ee3c t\u1ea1o ra c\u00f3 t\u00ednh \u0111\u1ebfn kh\u1ea3 n\u0103ng chuy\u1ec3n \u0111\u1ed5i ng\u01b0\u1ee3c l\u1ea1i gi\u1eefa hai \u0111\u01a1n v\u1ecb, r\u1ea5t d\u1ec5 chuy\u1ec3n \u0111\u1ed5i.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. C\u00f3 c\u1ea7n c\u00e0i \u0111\u1eb7t ph\u1ea7n m\u1ec1m n\u00e0o kh\u00f4ng?<\/h3>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-ce9c3dd9c73f9d9a10c77c72feeadfd7\">Kh\u00f4ng c\u1ea7n c\u00e0i \u0111\u1eb7t. \u0110\u00e2y l\u00e0 tr\u00ecnh chuy\u1ec3n \u0111\u1ed5i web, ho\u00e0n to\u00e0n t\u01b0\u01a1ng th\u00edch v\u1edbi m\u1ecdi tr\u00ecnh duy\u1ec7t web.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. C\u00e1c thi\u1ebft b\u1ecb \u0111\u00e3 \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i \u0111\u00fang c\u00e1ch ch\u01b0a?<\/h3>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-b7246fe83e7627a17d778c7d9eb8b48c\">C\u00f3, c\u00f4ng c\u1ee5 n\u00e0y c\u00f3 ch\u1ee9c n\u0103ng chuy\u1ec3n \u0111\u1ed5i c\u00e1c ph\u00e9p t\u00ednh to\u00e1n h\u1ecdc ch\u00ednh x\u00e1c. Tuy nhi\u00ean, c\u00e1ch tr\u00ecnh b\u00e0y th\u1ef1c t\u1ebf c\u0169ng h\u01a1i kh\u00e1c m\u1ed9t ch\u00fat v\u00ec thi\u1ebft b\u1ecb v\u00e0 tr\u00ecnh duy\u1ec7t c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c thu nh\u1ecf.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">B\u1eaft \u0111\u1ea7u bi\u1ebfn EM th\u00e0nh VH ngay l\u1eadp t\u1ee9c.<\/h2>\n\n\n\n<p class=\"has-theme-palette-9-color has-text-color has-link-color wp-elements-a85739fbc9e9e3a0c7640c6fee9acc50\">Thi\u1ebft k\u1ebf th\u00f4ng minh h\u01a1n, ch\u1ee9 kh\u00f4ng ph\u1ea3i kh\u00f3 kh\u0103n h\u01a1n. C\u00e1c \u0111\u01a1n v\u1ecb s\u1ebd \u0111\u01b0\u1ee3c chuy\u1ec3n \u0111\u1ed5i sang B\u1ed9 chuy\u1ec3n \u0111\u1ed5i EM sang VH c\u1ee7a ch\u00fang t\u00f4i ch\u1ec9 trong v\u00e0i gi\u00e2y. T\u1ed1t nh\u1ea5t l\u00e0 n\u00ean c\u00f3 m\u1ed9t c\u00f4ng c\u1ee5 l\u00fd t\u01b0\u1edfng, nhanh ch\u00f3ng v\u00e0 \u0111\u00e1p \u1ee9ng nhu c\u1ea7u c\u1ee7a c\u00e1c nh\u00e0 thi\u1ebft k\u1ebf v\u00e0 nh\u00e0 ph\u00e1t tri\u1ec3n, nh\u1eefng ng\u01b0\u1eddi s\u1ebd h\u00e0i l\u00f2ng v\u1edbi m\u1ed9t c\u00f4ng c\u1ee5 d\u1ec5 s\u1eed d\u1ee5ng, mi\u1ec5n ph\u00ed v\u00e0 h\u1eefu \u00edch.<\/p>\n<\/div><\/div>\n\n\n<style>.kadence-column292_8bf12c-e9 > .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-column292_8bf12c-e9 > .kt-inside-inner-col,.kadence-column292_8bf12c-e9 > .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-column292_8bf12c-e9 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_8bf12c-e9 > .kt-inside-inner-col{flex-direction:column;}.kadence-column292_8bf12c-e9 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column292_8bf12c-e9 > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column292_8bf12c-e9 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_8bf12c-e9{position:relative;}@media all and (max-width: 1024px){.kadence-column292_8bf12c-e9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column292_8bf12c-e9 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_8bf12c-e9\"><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-7d0dd3dfdb8be67132fdb1e43746f0a1\">Th\u00eam chuy\u1ec3n \u0111\u1ed5i EM &amp; VH<\/h2>\n<\/div><\/div>\n\n\n<style>.kadence-column292_7f65f9-0c > .kt-inside-inner-col{display:flex;}.kadence-column292_7f65f9-0c > .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-column292_7f65f9-0c > .kt-inside-inner-col,.kadence-column292_7f65f9-0c > .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-column292_7f65f9-0c > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column292_7f65f9-0c > .kt-inside-inner-col{flex-direction:row;flex-wrap:wrap;align-items:flex-start;}.kadence-column292_7f65f9-0c > .kt-inside-inner-col > *, .kadence-column292_7f65f9-0c > .kt-inside-inner-col > figure.wp-block-image, .kadence-column292_7f65f9-0c > .kt-inside-inner-col > figure.wp-block-kadence-image{margin-top:0px;margin-bottom:0px;}.kadence-column292_7f65f9-0c > .kt-inside-inner-col > .kb-image-is-ratio-size{flex-grow:1;}.kt-row-column-wrap > .kadence-column292_7f65f9-0c{align-self:flex-start;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column292_7f65f9-0c{align-self:auto;}.kt-inner-column-height-full:not(.kt-has-1-columns) > .wp-block-kadence-column.kadence-column292_7f65f9-0c > .kt-inside-inner-col{align-items:flex-start;}.kadence-column292_7f65f9-0c > .kt-inside-inner-col{background-color:var(--global-palette9, #ffffff);}.kadence-column292_7f65f9-0c > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column292_7f65f9-0c, .kadence-column292_7f65f9-0c h1, .kadence-column292_7f65f9-0c h2, .kadence-column292_7f65f9-0c h3, .kadence-column292_7f65f9-0c h4, .kadence-column292_7f65f9-0c h5, .kadence-column292_7f65f9-0c h6{color:var(--global-palette2, #2B6CB0);}.kadence-column292_7f65f9-0c 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.kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column292_7f65f9-0c kb-section-dir-horizontal\"><div class=\"kt-inside-inner-col\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-cm-converter\/\">VH sang CM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-rem-converter\/\">VH sang REM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-em-converter\/\">VH sang EM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-vw-converter\/\">VH sang VW<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-pt-converter\/\">VH sang PT<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-in-converter\/\">VH \u0110\u1ebeN INCH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-pc-converter\/\">VH sang PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-mm-converter\/\">VH sang MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-px-converter\/\">VH sang PX<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/vi\/vh-to-percent-converter\/\">VH sang Ph\u1ea7n tr\u0103m<\/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 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It is accurate in the generation of a detailed responsive site. The number of units is counted (in particular, as an alternate measure of fonts and viewports). 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