{"id":8309986,"date":"2025-09-02T09:19:44","date_gmt":"2025-09-02T06:19:44","guid":{"rendered":"https:\/\/elementor.com\/tools\/?p=8309986"},"modified":"2025-09-02T09:27:11","modified_gmt":"2025-09-02T06:27:11","slug":"rem-to-px-converter","status":"publish","type":"post","link":"https:\/\/elementor.com\/tools\/rem-to-px-converter\/","title":{"rendered":"REM to PX Converter"},"content":{"rendered":"\t\t<div data-elementor-type=\"container\" data-elementor-id=\"8309983\" class=\"elementor elementor-8309983\" data-elementor-post-type=\"elementor_library\">\n\t\t\t\t<div class=\"elementor-element elementor-element-23691a2c e-flex e-con-boxed e-con e-parent\" data-id=\"23691a2c\" data-element_type=\"container\" data-e-type=\"container\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-37c3711c elementor-widget elementor-widget-html\" data-id=\"37c3711c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"html.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<style>\r\n    \/* --- Styles learned and adapted from your example --- *\/\r\n    .html-viewer-app {\r\n        width: 100%;\r\n        max-width: 700px; \/* Adjusted for a single-panel tool *\/\r\n        margin: 0 auto;\r\n        padding: 40px 0 0;\r\n        font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\r\n    }\r\n\r\n    .converter-section {\r\n        width: 100%;\r\n        display: flex;\r\n        flex-direction: column;\r\n        background: white;\r\n        border-radius: 8px;\r\n        overflow: hidden;\r\n        border: 1.5px solid #EBEBEB;\r\n        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);\r\n    }\r\n\r\n    .section-header {\r\n        background-color: #05047E;\r\n        color: white;\r\n        padding: 12px 20px;\r\n        font-weight: 500;\r\n        font-size: 1.125rem;\r\n    }\r\n    \r\n    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background-color: #f9f9fb;\r\n        border: 1.5px solid #EBEBEB;\r\n        border-radius: 6px;\r\n        display: flex;\r\n        align-items: center;\r\n        justify-content: space-between;\r\n        gap: 20px;\r\n        flex-wrap: wrap;\r\n    }\r\n\r\n    .result-text {\r\n        font-size: 1.1rem;\r\n        color: #555;\r\n    }\r\n    \r\n    #pxResult {\r\n        font-size: 1.75rem;\r\n        font-weight: 700;\r\n        color: #05047E;\r\n        font-family: 'Courier New', monospace;\r\n    }\r\n\r\n    \/* --- Reusing your button styles --- *\/\r\n    .copy-btn {\r\n        background-color: rgb(255, 255, 255);\r\n        color: black;\r\n        border: 1px solid #ddd;\r\n        padding: 8px 16px;\r\n        border-radius: 4px;\r\n        cursor: pointer;\r\n        font-size: 14px;\r\n        display: flex;\r\n        align-items: center;\r\n        gap: 8px;\r\n        transition: background-color 0.2s;\r\n        box-shadow: 0 0 10px rgba(0,0,0,0.05);\r\n    }\r\n\r\n    .copy-btn:is(:hover, :focus, :focus-visible) {\r\n        background-color: #f6f6f6 !important;\r\n    }\r\n    \r\n    .copy-btn svg {\r\n        width: 16px;\r\n        height: 16px;\r\n        stroke: #333;\r\n    }\r\n\r\n    .reset-btn-container {\r\n        display: flex;\r\n        justify-content: center;\r\n        margin-top: 15px;\r\n    }\r\n\r\n    .reset-btn {\r\n        background: none;\r\n        border: none;\r\n        color: black;\r\n        text-decoration: underline;\r\n        font-size: 1rem;\r\n        cursor: pointer;\r\n        padding: 0;\r\n        transition: color 0.2s;\r\n    }\r\n\r\n    .reset-btn:is(:hover, :focus, :focus-visible, :active) {\r\n        background: none;\r\n        color: #545454;\r\n        text-decoration: underline;\r\n    }\r\n\r\n<\/style>\r\n\r\n<div id=\"rem-to-px-converter-app\" class=\"html-viewer-app\">\r\n    <div class=\"converter-section\">\r\n        <div class=\"section-header\">\r\n            REM to PX Converter\r\n        <\/div>\r\n        <div class=\"converter-body\">\r\n            <div class=\"control-group\">\r\n                <label for=\"baseSize\">Base Font Size (in pixels)<\/label>\r\n                <input type=\"number\" id=\"baseSize\" value=\"16\" min=\"1\">\r\n            <\/div>\r\n\r\n            <div class=\"control-group\">\r\n                <label for=\"remValue\">Value to Convert (in REM)<\/label>\r\n                <input type=\"number\" id=\"remValue\" placeholder=\"e.g., 1.5\" step=\"0.1\">\r\n            <\/div>\r\n\r\n            <div class=\"result-area\">\r\n                <div class=\"result-text\">\r\n                    Result in Pixels: <br>\r\n                    <span id=\"pxResult\">0<\/span>\r\n                <\/div>\r\n                <button id=\"copyResultBtn\" class=\"copy-btn\" title=\"Copy result to clipboard\">\r\n                     <svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" fill=\"none\" stroke=\"currentColor\" stroke-width=\"2\" stroke-linecap=\"round\" stroke-linejoin=\"round\">\r\n                        <rect x=\"9\" y=\"9\" width=\"13\" height=\"13\" rx=\"2\" ry=\"2\"><\/rect>\r\n                        <path d=\"M5 15H4a2 2 0 0 1-2-2V4a2 2 0 0 1 2-2h9a2 2 0 0 1 2 2v1\"><\/path>\r\n                    <\/svg>\r\n                    <span id=\"copyBtnText\">Copy<\/span>\r\n                <\/button>\r\n            <\/div>\r\n        <\/div>\r\n    <\/div>\r\n    <div class=\"reset-btn-container\">\r\n        <button id=\"resetBtn\" class=\"reset-btn\">Reset Fields<\/button>\r\n    <\/div>\r\n<\/div>\r\n\r\n<script>\r\n    document.addEventListener('DOMContentLoaded', function() {\r\n        \/\/ Get references to all the necessary DOM elements\r\n        const baseSizeInput = document.getElementById('baseSize');\r\n        const remValueInput = document.getElementById('remValue');\r\n        const pxResultDisplay = document.getElementById('pxResult');\r\n        const copyBtn = document.getElementById('copyResultBtn');\r\n        const copyBtnText = document.getElementById('copyBtnText');\r\n        const resetBtn = document.getElementById('resetBtn');\r\n\r\n        \/\/ --- Core Calculation Function ---\r\n        const calculateAndDisplay = () => {\r\n            const baseSize = parseFloat(baseSizeInput.value);\r\n            const remValue = parseFloat(remValueInput.value);\r\n\r\n            \/\/ Validate input to prevent NaN results\r\n            if (isNaN(baseSize) || isNaN(remValue) || baseSize <= 0) {\r\n                pxResultDisplay.textContent = '0';\r\n                return;\r\n            }\r\n\r\n            const pixelResult = baseSize * remValue;\r\n\r\n            \/\/ Use toFixed to handle floating point inaccuracies and format the output\r\n            \/\/ Object.is(pixelResult, -0) handles the edge case of multiplying by -0\r\n            if (Number.isInteger(pixelResult) || Object.is(pixelResult, -0)) {\r\n                 pxResultDisplay.textContent = pixelResult;\r\n            } else {\r\n                 pxResultDisplay.textContent = pixelResult.toFixed(2);\r\n            }\r\n        };\r\n\r\n        \/\/ --- Event Listeners ---\r\n\r\n        \/\/ Recalculate on any input change in the number fields\r\n        baseSizeInput.addEventListener('input', calculateAndDisplay);\r\n        remValueInput.addEventListener('input', calculateAndDisplay);\r\n\r\n        \/\/ Handle the \"Copy\" button click\r\n        copyBtn.addEventListener('click', () => {\r\n            const resultText = pxResultDisplay.textContent;\r\n\r\n            \/\/ Use the modern Navigator Clipboard API for secure copying\r\n            navigator.clipboard.writeText(resultText).then(() => {\r\n                \/\/ Provide visual feedback to the user\r\n                copyBtnText.textContent = 'Copied!';\r\n                copyBtn.style.backgroundColor = '#d4edda'; \/\/ A light green for success\r\n                \r\n                \/\/ Revert the button text and style after 2 seconds\r\n                setTimeout(() => {\r\n                    copyBtnText.textContent = 'Copy';\r\n                    copyBtn.style.backgroundColor = ''; \/\/ Revert to original style\r\n                }, 2000);\r\n            }).catch(err => {\r\n                console.error('Failed to copy text: ', err);\r\n                copyBtnText.textContent = 'Error!';\r\n                 setTimeout(() => {\r\n                    copyBtnText.textContent = 'Copy';\r\n                }, 2000);\r\n            });\r\n        });\r\n\r\n        \/\/ Handle the \"Reset\" button click\r\n        resetBtn.addEventListener('click', () => {\r\n            baseSizeInput.value = '16';\r\n            remValueInput.value = '';\r\n            \/\/ Manually trigger the calculation to update the display\r\n            calculateAndDisplay(); \r\n 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