{"id":26,"date":"2024-09-21T14:40:24","date_gmt":"2024-09-21T14:40:24","guid":{"rendered":"https:\/\/pixelsconverter.online\/?page_id=26"},"modified":"2025-11-10T18:02:39","modified_gmt":"2025-11-10T18:02:39","slug":"px-to-em-converter","status":"publish","type":"page","link":"https:\/\/toolsmate.online\/fr\/px-to-em-converter\/","title":{"rendered":"Convertisseur PX en EM"},"content":{"rendered":"<style>.kb-row-layout-id26_110223-07 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id26_110223-07 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id26_110223-07 > .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-id26_110223-07 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id26_110223-07 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id26_110223-07 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id26_110223-07 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-column26_123729-be > .kt-inside-inner-col,.kadence-column26_123729-be > .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-column26_123729-be > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column26_123729-be > .kt-inside-inner-col{flex-direction:column;}.kadence-column26_123729-be > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column26_123729-be > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column26_123729-be{position:relative;}@media all and (max-width: 1024px){.kadence-column26_123729-be > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column26_123729-be > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_123729-be\"><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-58ccdcf4fe060fd0c5afd976c6fe4477\">Convertisseur PX vers EM<\/h1>\n<\/div><\/div>\n\n\n<style>.kadence-column26_98b915-b7 > .kt-inside-inner-col,.kadence-column26_98b915-b7 > .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-column26_98b915-b7 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column26_98b915-b7 > .kt-inside-inner-col{flex-direction:column;}.kadence-column26_98b915-b7 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column26_98b915-b7 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column26_98b915-b7{position:relative;}@media all and (max-width: 1024px){.kadence-column26_98b915-b7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column26_98b915-b7 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_98b915-b7\"><div class=\"kt-inside-inner-col\">\n<div class=\"container\">\n    <div class=\"input-group\">\n        <input type=\"number\" id=\"pxInput\" placeholder=\"Entrez la valeur px\">\n        <label for=\"pxInput\">Pixels (PX)<\/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=\"emInput\" placeholder=\"Entrer la valeur EM\">\n        <label for=\"emInput\">EM<\/label>\n    <\/div>\n    <div class=\"result\" id=\"resultDisplay\">Le r\u00e9sultat sera affich\u00e9 ici<\/div>\n<\/div>\n\n<script>\n    const defaultEmValue = 16; \/\/ Default EM value\n    const pxInput = document.getElementById('pxInput');\n    const emInput = document.getElementById('emInput');\n    const resultDisplay = document.getElementById('resultDisplay');\n    const copyIcon = document.createElement('span'); \/\/ Create the copy icon container\n\n    \/\/ Set the default value of the EM input field\n    emInput.value = defaultEmValue;\n\n    \/\/ Function to convert PX to EM\n    function convertPxToEm() {\n        const pxValue = parseFloat(pxInput.value);\n        const emValue = parseFloat(emInput.value); \/\/ Use the current EM input value\n        if (!isNaN(pxValue) && !isNaN(emValue)) {\n            const resultEm = pxValue \/ emValue;\n            resultDisplay.textContent = resultEm.toFixed(2) + 'em'; \/\/ Display the EM value with 'em' 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 both input fields\n    pxInput.addEventListener('input', convertPxToEm);\n    emInput.addEventListener('input', convertPxToEm); \/\/ Re-use the same function for EM input changes\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 emValue = resultDisplay.textContent;\n        if (emValue && emValue !== 'Result will be shown here') {\n            const valueToCopy = emValue.replace('em', '').trim(); \/\/ Remove the 'em' 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    \/\/ 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\/em-to-px-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<\/div><\/div>\n\n<style>.kb-row-layout-id26_eb2af1-b7 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id26_eb2af1-b7 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id26_eb2af1-b7 > .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-id26_eb2af1-b7 > .kt-row-layout-overlay{opacity:0.30;}.kb-row-layout-id26_eb2af1-b7 ,.kb-row-layout-id26_eb2af1-b7 h1,.kb-row-layout-id26_eb2af1-b7 h2,.kb-row-layout-id26_eb2af1-b7 h3,.kb-row-layout-id26_eb2af1-b7 h4,.kb-row-layout-id26_eb2af1-b7 h5,.kb-row-layout-id26_eb2af1-b7 h6{color:var(--global-palette9, #ffffff);}.kb-row-layout-id26_eb2af1-b7 a{color:var(--global-palette7, #EDF2F7);}@media all and (max-width: 1024px){.kb-row-layout-id26_eb2af1-b7 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id26_eb2af1-b7 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id26_eb2af1-b7 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-column26_07e7a1-b8 > .kt-inside-inner-col,.kadence-column26_07e7a1-b8 > .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-column26_07e7a1-b8 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column26_07e7a1-b8 > .kt-inside-inner-col{flex-direction:column;}.kadence-column26_07e7a1-b8 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column26_07e7a1-b8 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column26_07e7a1-b8{position:relative;}@media all and (max-width: 1024px){.kadence-column26_07e7a1-b8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column26_07e7a1-b8 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_07e7a1-b8\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p>Les caract\u00e9ristiques essentielles du webdesign moderne sont sa flexibilit\u00e9 et sa r\u00e9activit\u00e9. Pour garantir un affichage correct des sites web sur tous types d&#039;appareils, un convertisseur PX vers EM permet de convertir les valeurs fixes en pixels (px) en valeurs EM, adaptables \u00e0 la r\u00e9solution d&#039;\u00e9cran. Ainsi, que vous modifiiez la taille des polices, les espacements ou les marges, la conversion des pixels en EM garantit que votre contenu pourra \u00eatre facilement redimensionn\u00e9 pour s&#039;adapter \u00e0 diff\u00e9rentes r\u00e9solutions d&#039;\u00e9cran, selon les besoins de l&#039;utilisateur.<\/p>\n\n\n\n<p>C&#039;est un gain de temps consid\u00e9rable, qui non seulement vous \u00e9vite de perdre du temps, mais r\u00e9duit \u00e9galement le nombre d&#039;erreurs que vous auriez pu commettre dans le manuel, sans oublier son utilit\u00e9 pour votre CSS. Vous n&#039;avez plus besoin d&#039;effectuer vous-m\u00eame une partie de ces calculs\u00a0: une fois votre valeur en pixels saisie, l&#039;application vous propose automatiquement la valeur EM n\u00e9cessaire en fonction de la taille de police de base que vous souhaitez utiliser (16 \u00e9tant de loin la taille de police de base la plus courante).<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Que sont les unit\u00e9s PX et EM en CSS\u00a0?<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Qu&#039;est-ce que PX (Pixel)\u00a0?<\/h3>\n\n\n\n<p>La conception web est une mesure relative exprim\u00e9e en pixels (px). Elle indique \u00e9galement la taille absolue \u00e0 l&#039;\u00e9cran, soit 100 px par bouton, quel que soit l&#039;appareil utilis\u00e9 et le niveau de zoom.<\/p>\n\n\n\n<p>La r\u00e9solution des pixels n&#039;est pas pr\u00e9cise, mais ajustable. Des valeurs de pixels fixes entra\u00eeneraient une instabilit\u00e9 de l&#039;affichage sur plusieurs appareils, comme les smartphones et les moniteurs haut de gamme, et une faible lisibilit\u00e9.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Qu&#039;est-ce que EM (unit\u00e9 relative)\u00a0?<\/h3>\n\n\n\n<p>L&#039;unit\u00e9 EM (em) est une autre unit\u00e9 CSS qui peut \u00eatre compt\u00e9e comme une unit\u00e9 relative et modifi\u00e9e au cas o\u00f9 la taille de police de l&#039;\u00e9l\u00e9ment parent est plus grande (ou si l&#039;\u00e9l\u00e9ment suit l&#039;\u00e9l\u00e9ment parent).<\/p>\n\n\n\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-theme-palette-2-background-color has-background wp-element-button\" href=\"https:\/\/cssunitconverter.vercel.app\/blog\/understanding-em-unit-in-css\">Convertisseur d&#039;unit\u00e9s CSS \u2013 Comprendre l&#039;unit\u00e9 EM en CSS<\/a><\/div>\n\n\n\n<div class=\"wp-block-button is-style-fill\"><a class=\"wp-block-button__link has-theme-palette-2-background-color has-background wp-element-button\" href=\"https:\/\/www.w3schools.com\/cssref\/css_units.php\">W3Schools \u2013 Unit\u00e9s CSS<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-theme-palette-2-background-color has-background wp-element-button\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Learn\/CSS\/Building_blocks\/Values_and_units#numbers_lengths_and_percentages\">Unit\u00e9s MDN \u2013 CSS<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-theme-palette-2-background-color has-background wp-element-button\" href=\"https:\/\/developer.mozilla.org\/en-US\/docs\/Web\/CSS\/length\">MDN \u2013 CSS<\/a><\/div>\n<\/div>\n\n\n\n<p><strong>Par exemple:<\/strong><\/p>\n\n\n\n<p>La taille de la police utilis\u00e9e est de 16px., <\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>1em = 16px. 2em = 32px 0,75em = 12px<\/code><\/pre>\n\n\n\n<p>La technologie EM permet une conception efficace, r\u00e9active et accessible. Les unit\u00e9s EM sont programm\u00e9es avec un zoom adapt\u00e9 au navigateur ou \u00e0 l&#039;utilisateur, notamment pour les polices de grande taille, tout en garantissant une clart\u00e9 et une qualit\u00e9 d&#039;affichage optimales.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Pourquoi utiliser EM plut\u00f4t que PX ?<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EM remplace PX :<\/strong> Tu as colport\u00e9 ce que tu d\u00e9sirais :<\/li>\n\n\n\n<li><strong>Personnel:<\/strong> Ce probl\u00e8me ne se limite pas \u00e0 d&#039;autres spectacles et \u00e9quipements.<\/li>\n\n\n\n<li><strong>Lisible:<\/strong> est plus lisible et plus facile \u00e0 appr\u00e9hender pour les utilisateurs.<\/li>\n\n\n\n<li><strong>\u00c9chelle: <\/strong>Les adh\u00e9sions sont constantes.<\/li>\n\n\n\n<li><strong>Personnalisable :<\/strong> Id\u00e9al sur les cadres pr\u00e9existants <strong>Tailwind, Bootstrap ou CSS Grid.<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Autrement dit, les valeurs EM vous indiqueront d\u00e9sormais ce que vous avez cr\u00e9\u00e9 et con\u00e7u, ce qui est pratique \u00e0 utiliser et quelle composition du pixel fixe n&#039;est pas si pratique dans une situation particuli\u00e8re.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Formule de conversion PX vers EM<\/h2>\n\n\n\n<p>L&#039;\u00e9quation la plus simple qui sera utilis\u00e9e pour le d\u00e9cryptage des pixels en EM est\u00a0:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>em = px \/ taille de police de base<\/code><\/pre>\n\n\n\n<p>Le <strong>police standard<\/strong> la majorit\u00e9 des navigateurs Web est <strong>16 Px.<\/strong><\/p>\n\n\n\n<p><strong>Exemple :<\/strong><\/p>\n\n\n\n<p>32 pixels pour EM (utiliser une police de base de 16)\u00a0:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>32 \u00f7 16 = 2 cm<\/code><\/pre>\n\n\n\n<p>Donc, <strong>32px \u00e9quivalent \u00e0 2em.<\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">PX sera int\u00e9gr\u00e9 \u00e0 l&#039;outil de conversion EM<\/h2>\n\n\n\n<p>De plus, le processus de conversion n&#039;est pas convivial si les fichiers CSS atteignent des dimensions importantes. <strong>Convertisseur PX en EM<\/strong> peut \u00eatre fait dans <strong>toolsmate.online<\/strong> et cela tr\u00e8s facilement, de la mani\u00e8re suivante :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Activez l&#039;outil de conversion PX vers EM sur le site.<\/li>\n\n\n\n<li>Le nombre de pixels n\u00e9cessaires \u00e0 l&#039;entr\u00e9e devrait \u00eatre optionnel (par exemple 24 pixels), sauf indication contraire.<\/li>\n\n\n\n<li>Choisissez ou choisissez la taille de police par d\u00e9faut = 16 pix.<\/li>\n\n\n\n<li>S\u00e9lectionnez \u00ab Modifier \u00bb dans l&#039;outil ou laissez-le tel quel.<\/li>\n\n\n\n<li>Ins\u00e9rez votre r\u00e9sultat (EM) dans votre code CSS.<\/li>\n<\/ul>\n\n\n\n<p><strong>Exemple de Conversion<\/strong><\/p>\n\n\n\n<p><strong>Saisir:<\/strong> 24px<\/p>\n\n\n\n<p><strong>Taille de police de base\u00a0:<\/strong> 16\u00a0px<\/p>\n\n\n\n<p><strong>R\u00e9sultat:<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>24 \u00f7 16 = 1,5 cm<\/code><\/pre>\n\n\n\n<p>Sortie : 1,5em<\/p>\n\n\n\n<p>Voil\u00e0 ! Rapide, simple et pr\u00e9cis.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Avantages de l&#039;externalisation d&#039;un convertisseur PX vers EM.<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Gain de temps et d&#039;efforts<\/h3>\n\n\n\n<p>Modifier un si grand nombre de valeurs de pixels est un processus fastidieux. C&#039;est l&#039;un des outils utilis\u00e9s pour le calcul imm\u00e9diat, ce qui vous permet de vous concentrer sur la conception plut\u00f4t que sur les calculs.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. \u00c9vite les erreurs arithm\u00e9tiques.<\/h3>\n\n\n\n<p>Toute conversion, m\u00eame manuelle, est sujette \u00e0 l&#039;erreur humaine. Les syst\u00e8mes informatiques, eux, sont s\u00fbrs \u00e0 100 %.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Id\u00e9al pour les grands projets CSS<\/h3>\n\n\n\n<p>On trouve r\u00e9guli\u00e8rement d&#039;\u00e9normes feuilles de style. La taille du travail d&#039;un convertisseur, l&#039;espacement, la typographie, etc., n&#039;ont aucune incidence.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Tailles de police de base personnalis\u00e9es.<\/h3>\n\n\n\n<p>Leur conception et leurs marques sont cr\u00e9\u00e9es en supposant une police de base non-16 px (par exemple 18 ou 20). Le convertisseur permettra de configurer la taille de base en fonction des param\u00e8tres du projet.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Favorise la r\u00e9activit\u00e9.<\/h3>\n\n\n\n<p>Le fait que les mises en page fluides soient assez simples \u00e0 \u00e9tablir et que, d&#039;une mani\u00e8re g\u00e9n\u00e9rale, une plus grande accessibilit\u00e9 des produits pour les utilisateurs soit assez facile \u00e0 prendre en compte \u00e9tant donn\u00e9 que seules les unit\u00e9s EM sont utilis\u00e9es et non les pixels.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Cas d&#039;utilisation concrets<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Typographie r\u00e9active<\/h3>\n\n\n\n<p>Il s&#039;agit d&#039;un texte \u00e0 taille dynamique, la taille de la police peut donc \u00eatre exprim\u00e9e en EM.<\/p>\n\n\n\n<p>Exemple :<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>body { font-size: 16px; } h1 { font-size: 2em; \/* \u00e9quivaut \u00e0 32px *\/ } p { font-size: 1em; \/* \u00e9quivaut \u00e0 16px *\/ }<\/code><\/pre>\n\n\n\n<p>Tout ce qui touche au changement de taille de police \u00e0 18px est automatiquement minimis\u00e9 en cas de d\u00e9cision de ce type.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Mises en page \u00e9volutives<\/h3>\n\n\n\n<p>Les concepteurs utilisent EM pour adapter les espacements, l&#039;interligne et les marges. Cela garantit un affichage optimal entre les \u00e9crans.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Conception ax\u00e9e sur le mobile<\/h3>\n\n\n\n<p>Les unit\u00e9s mobiles EM ont \u00e9t\u00e9 con\u00e7ues de mani\u00e8re \u00e0 ce que les petites unit\u00e9s ne perturbent pas l&#039;agencement.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Tableau de conversion PX vers EM (Taille de police de base = 16 px)<\/h2>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id26_dbfcb9-32 > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id26_dbfcb9-32 > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id26_dbfcb9-32 > .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-id26_dbfcb9-32 > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id26_dbfcb9-32 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id26_dbfcb9-32 > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id26_dbfcb9-32 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-column26_c45c6e-ea > .kt-inside-inner-col,.kadence-column26_c45c6e-ea > .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-column26_c45c6e-ea > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column26_c45c6e-ea > .kt-inside-inner-col{flex-direction:column;}.kadence-column26_c45c6e-ea > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column26_c45c6e-ea > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column26_c45c6e-ea{position:relative;}@media all and (max-width: 1024px){.kadence-column26_c45c6e-ea > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column26_c45c6e-ea > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_c45c6e-ea\"><div class=\"kt-inside-inner-col\">\n <table>\n    <tr><th>PX<\/th><th>EM<\/th><\/tr>\n    <tr><td>10\u00a0px<\/td><td>0,625em<\/td><\/tr>\n    <tr><td>20px<\/td><td>1,25\u00a0em<\/td><\/tr>\n    <tr><td>30px<\/td><td>1,875em<\/td><\/tr>\n    <tr><td>40px<\/td><td>2,5 m<\/td><\/tr>\n    <tr><td>50px<\/td><td>3,125em<\/td><\/tr>\n    <tr><td>60px<\/td><td>3,75 cm<\/td><\/tr>\n    <tr><td>70px<\/td><td>4,375em<\/td><\/tr>\n    <tr><td>80px<\/td><td>5em<\/td><\/tr>\n    <tr><td>90px<\/td><td>5,625em<\/td><\/tr>\n    <tr><td>100\u00a0px<\/td><td>6,25 cm<\/td><\/tr>\n    <tr><td>110px<\/td><td>6,875em<\/td><\/tr>\n    <tr><td>120px<\/td><td>7,5 cm<\/td><\/tr>\n    <tr><td>130px<\/td><td>8,125 cm<\/td><\/tr>\n    <tr><td>140px<\/td><td>8,75 cm<\/td><\/tr>\n    <tr><td>150px<\/td><td>9,375em<\/td><\/tr>\n    <tr><td>160\u00a0px<\/td><td>10em<\/td><\/tr>\n    <tr><td>170px<\/td><td>10,625em<\/td><\/tr>\n    <tr><td>180px<\/td><td>11,25 cm<\/td><\/tr>\n    <tr><td>190px<\/td><td>11,875em<\/td><\/tr>\n    <tr><td>200px<\/td><td>12,5 cm<\/td><\/tr>\n    <tr><td>210px<\/td><td>13,125 cm<\/td><\/tr>\n    <tr><td>220px<\/td><td>13,75 cm<\/td><\/tr>\n    <tr><td>230px<\/td><td>14,375em<\/td><\/tr>\n    <tr><td>240px<\/td><td>15em<\/td><\/tr>\n    <tr><td>250px<\/td><td>15,625em<\/td><\/tr>\n  <\/table>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id26_019f1f-6f > .kt-row-column-wrap{align-content:start;}:where(.kb-row-layout-id26_019f1f-6f > .kt-row-column-wrap) > .wp-block-kadence-column{justify-content:start;}.kb-row-layout-id26_019f1f-6f > .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-id26_019f1f-6f > .kt-row-layout-overlay{opacity:0.30;}@media all and (max-width: 1024px){.kb-row-layout-id26_019f1f-6f > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}@media all and (max-width: 767px){.kb-row-layout-id26_019f1f-6f > .kt-row-column-wrap{grid-template-columns:minmax(0, 1fr);}}<\/style><div class=\"kb-row-layout-wrap kb-row-layout-id26_019f1f-6f 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-column26_0ef82c-15 > .kt-inside-inner-col,.kadence-column26_0ef82c-15 > .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-column26_0ef82c-15 > .kt-inside-inner-col{column-gap:var(--global-kb-gap-sm, 1rem);}.kadence-column26_0ef82c-15 > .kt-inside-inner-col{flex-direction:column;}.kadence-column26_0ef82c-15 > .kt-inside-inner-col > .aligncenter{width:100%;}.kadence-column26_0ef82c-15 > .kt-inside-inner-col:before{opacity:0.3;}.kadence-column26_0ef82c-15, .kadence-column26_0ef82c-15 h1, .kadence-column26_0ef82c-15 h2, .kadence-column26_0ef82c-15 h3, .kadence-column26_0ef82c-15 h4, .kadence-column26_0ef82c-15 h5, .kadence-column26_0ef82c-15 h6{color:var(--global-palette9, #ffffff);}.kadence-column26_0ef82c-15 a{color:var(--global-palette7, #EDF2F7);}.kadence-column26_0ef82c-15{position:relative;}@media all and (max-width: 1024px){.kadence-column26_0ef82c-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}@media all and (max-width: 767px){.kadence-column26_0ef82c-15 > .kt-inside-inner-col{flex-direction:column;justify-content:center;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_0ef82c-15\"><div class=\"kt-inside-inner-col\">\n<h2 class=\"wp-block-heading\">R\u00e9ponses aux questions fr\u00e9quentes (FAQ).<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">1. Combien de pixels y a-t-il dans 1 em ?<\/h3>\n\n\n\n<p>Cela d\u00e9pend de la taille de police de base. Puisque vous utilisez une taille de police de base de 16 px et que 1 em = 16 px.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">2. Comment convertir PX en EM ?<\/h3>\n\n\n\n<p>Utilisez la formule\u00a0:<\/p>\n\n\n\n<pre class=\"wp-block-code has-theme-palette-2-background-color has-background\"><code>em = px \u00f7 taille de police de base<\/code><\/pre>\n\n\n\n<p>Exemple\u00a0: 24\u00a0px \u00f7 16 = 1,5\u00a0em<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">3. Et qu&#039;est-ce qui nous pousse \u00e0 utiliser les unit\u00e9s EM alors que nous savons que nous pouvons utiliser PX en CSS\u00a0?<\/h3>\n\n\n\n<p>Les unit\u00e9s EM sont con\u00e7ues pour \u00eatre am\u00e9lior\u00e9es, incurv\u00e9es et adapt\u00e9es \u00e0 votre conception en cas de zoom ou lors de l&#039;utilisation de ce type de machine par l&#039;utilisateur.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">4. Poss\u00e8de-t-il l&#039;autre base de taille de police ?<\/h3>\n\n\n\n<p>Oui ! La taille par d\u00e9faut est de 16 px, mais vous pouvez l&#039;ajuster pour qu&#039;elle s&#039;int\u00e8gre \u00e0 la conception de votre syst\u00e8me, par exemple en choisissant une taille de base de 18 ou 20.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">5. Et quelle est la diff\u00e9rence entre EM et REM ?<\/h3>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>EM<\/strong> est calcul\u00e9 en fonction de la taille d&#039;un <strong>\u00e9l\u00e9ment parent<\/strong> fonte.<\/li>\n\n\n\n<li><strong>REM<\/strong> a \u00e9galement \u00e9t\u00e9 compar\u00e9 \u00e0 la taille de police d&#039;un <strong>racine (HTML).<\/strong><\/li>\n<\/ul>\n\n\n\n<p>Tous deux sont tr\u00e8s sensibles et EM r\u00e9agit davantage aux \u00e9l\u00e9ments int\u00e9gr\u00e9s.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p>Le <strong>Convertisseur PX vers EM<\/strong> Cet outil est tr\u00e8s recherch\u00e9 par les designers et d\u00e9veloppeurs qui souhaitent un site web adaptatif, \u00e9volutif et facile d&#039;utilisation. Il simplifie le travail, \u00e9limine les approximations et peut \u00eatre r\u00e9utilis\u00e9 pour la conception sur d&#039;autres appareils, garantissant ainsi une esth\u00e9tique coh\u00e9rente.<\/p>\n\n\n\n<p>Pour assurer une conversion optimale de la typographie, la correction des espacements ou de tout autre \u00e9l\u00e9ment d&#039;une mise en page apr\u00e8s conversion en EM garantiront que vos mises en page ne seront jamais inutilisables ou non fonctionnelles.<\/p>\n\n\n\n<p>Faire <strong>Convertisseur PX vers EM<\/strong> sur <a href=\"https:\/\/toolsmate.online\/fr\/\">toolsmate.online<\/a> Plus intelligent \u2013 et rapide et enti\u00e8rement r\u00e9actif dans votre CSS !<\/p>\n\n\n\n<h2 class=\"wp-block-heading has-theme-palette-9-color has-text-color has-link-color wp-elements-7c3cc602894766d98e25b4e5fbc2b784\">Plus de conversions PX et EM<\/h2>\n<\/div><\/div>\n\n<\/div><\/div>\n\n<style>.kb-row-layout-id26_36fef8-1b > 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.kb-image-is-ratio-size{flex-grow:1;}}<\/style>\n<div class=\"wp-block-kadence-column kadence-column26_dbfd6a-5a kb-section-dir-horizontal\"><div class=\"kt-inside-inner-col\">\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-cm-converter\/\">PX en CM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-rem-converter\/\">PX en REM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-vw-converter\/\">PX en VW<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-pt-converter\/\">PX en PT<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-inch-converter\/\">PX EN POUCES<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-pc-converter\/\">PX en PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-mm-converter\/\">PX en MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-vh-converter\/\">PX en VH<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/px-to-percentage-converter\/\">PX en POURCENT<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-pt-converter\/\">EM en PT<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-in-converter\/\">EM en IN<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-cm-converter\/\">EM en CM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-mm-converter\/\">EM en MM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-percent-converter\/\">EM en POURCENT<\/a><\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-rem-converter\/\">EM en REM<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-pc-converter\/\">EM en PC<\/a><\/li>\n\n\n\n<li><a href=\"https:\/\/toolsmate.online\/fr\/em-to-vw-converter\/\">EM en VW<\/a><\/li>\n\n\n\n<li><a 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Learn easy conversions, benefits, and tips to improve your CSS workflow.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/toolsmate.online\/fr\/px-to-em-converter\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Ultimate Guide to PX to EM Converter: Simplify Your CSS Design\" \/>\n<meta property=\"og:description\" content=\"Master px to em converter for responsive design. 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