Converting Pixels to Ems - A Simple Script for Web Developers - 100% Free

As a web developer, it's important to have tools and techniques that simplify your workflow and help you achieve responsive designs. One common task is converting pixels to ems, which allows for flexible and scalable layouts. In this blog post, we'll explore a simple script that enables you to convert pixels to ems effortlessly.

(toc) Table of Contents

To convert pixels to ems, you can utilize the following script:

      
<style>
    /* Add CSS styles here */
    .result-row {
        display: flex;
        align-items: center;
    }
    .result-label {
        margin-right: 10px;
    }
    input[type="number"] {
        width: 100%;
    }
</style>
<div class="input-container">
    <label for="pixelsInput">Pixels:</label>
    <input type="number" id="pixelsInput" placeholder="Enter pixels" />
</div>
<button onclick="convertPixelsToEm()" style="width:100%;">Convert</button>
<div id="resultContainer" style="display: none;">
    <div class="result-row">
        <span class="result-label">EM:</span>
        <p id="emResult"></p>
    </div>
    <button onclick="copyEmResult()" style="width: 100%;">Copy Result</button>
    <span id="copyMessage" style="display: none;">Result copied!</span>
</div>
<script>
function convertPixelsToEm() {
    var pixels = document.getElementById('pixelsInput').value;
    var em = pixels / 16;
    var emResult = document.getElementById('emResult');
    emResult.textContent = em.toFixed(2);
    var resultContainer = document.getElementById('resultContainer');
    resultContainer.style.display = 'block';
}
function copyEmResult() {
    var emResult = document.getElementById('emResult');
    var textArea = document.createElement('textarea');
    textArea.value = emResult.textContent;
    document.body.appendChild(textArea);
    textArea.select();
    document.execCommand('copy');
    document.body.removeChild(textArea);
    var copyMessage = document.getElementById('copyMessage');
    copyMessage.style.display = 'inline';
    setTimeout(function() {
        copyMessage.style.display = 'none';
    }, 2000);
}
</script>

      

DEMO

How It Works

The script consists of HTML, CSS, and JavaScript code. It provides an input field where you can enter the number of pixels you want to convert. Upon clicking the "Convert" button, the script calculates the equivalent value in ems by dividing the pixels by 16 (assuming a base font size of 16 pixels). The result is displayed dynamically, and you also have the option to copy the converted value.

This script offers a convenient way to convert pixels to ems, allowing you to create responsive designs that adapt to different screen sizes and devices. It eliminates the