Pixel To Em Converter

PX to EM Converter (Free Instant Pixel to EM Calculator)

Welcome to the most accurate and easy-to-use Pixel to EM converter. This tool helps web designers and developers calculate scalable CSS units instantly.

Simply enter your pixel value below, check your base font size (default is 16px), and get your EM value immediately.

You can convert pixels (px) to em using this converter accurately and quickly to save time and concentrate on what you are doing.

How to Convert Pixels to EM

Converting pixels to EM is essential for creating responsive, accessible websites. While pixels are static units, EMs are relative units that scale based on the parent element’s font size.

Need to go the other way? If you have an EM value and need to know the pixel equivalent, use our EM to Pixel Converter.

The PX to EM Formula

To calculate EM, you simply divide the desired pixel size by the parent element’s font size (usually the browser default).

EM = Pixels/Base Font Size

Example: If your base font size is 16px (standard for most browsers) and you want a font size of 24px:

1.5em = 24px/16px

Pro Tip: The standard base font size for most browsers is 16px. Unless you have changed the font-size on your html or body tag in CSS, you should stick with 16 as your base.

Video Tutorial: How To Use Pixels To Em Converter

Why Use EM Instead of PX?

Modern web standards (W3C) and SEO best practices recommend using relative units like EM or REM over fixed units like PX.

1. Accessibility: Users who have vision impairments often increase their browser’s default font size. If you use Pixels, your site will not scale for them. If you use EM, your layout adjusts automatically to their preferences.

2. Responsive Design: EM allows elements to scale proportionally relative to their container, making it easier to build complex, responsive components like navigation bars and buttons.

3. Maintenance: By changing a single base font size in your CSS, you can scale typography across your entire website instantly.

Quick Comparison: PX vs. EM vs. REM

Many developers confuse EM and REM. Here is the breakdown:

Unit	Type	Definition	Best Use Case
PX	Absolute	Fixed size. One pixel is one dot on the screen.	Borders, shadows, and precise alignment.
EM	Relative	Relative to the parent element’s font size.	Components where sizing depends on the container (e.g., padding inside a button).
REM	Relative	Relative to the root (HTML) font size.	Global typography, margins, and general layout spacing.

Pixels to em Conversion Table if text size (base) is 16

This is a chart for px to em conversion if the text size is 16.

Pixel	Em
1 px	0.0625 em
1.6 px	0.1 em
2 px	0.125 em
3 px	0.1875 em
3.2 px	0.2 em
4 px	0.25 em
4.8 px	0.3 em
5 px	0.3125 em
6 px	0.375 em
6.4 px	0.4 em
7 px	0.4375 em
8 px	0.5 em
9 px	0.5625 em
10 px	0.625 em
11 px	0.6875 em
11.2 px	0.7 em
12 px	0.75 em
12.8 px	0.8 em
13 px	0.8125 em
14 px	0.875 em
14.4 px	0.9 em
15 px	0.9375 em
16 px	1 em
17 px	1.0625 em
17.6 px	1.1 em
18 px	1.125 em
19 px	1.1875 em
19.2 px	1.2 em
20 px	1.25 em
21 px	1.3125 em
22 px	1.375 em
23 px	1.4375 em
24 px	1.5 em
25 px	1.5625 em
28 px	1.75 em
28.8 px	1.8 em
32 px	2 em
36 px	2.25 em
40 px	2.5 em
48 px	3 em
56 px	3.5 em
64 px	4 em
72 px	4.5 em
80 px	5 em
88 px	5.5 em
96 px	6 em
100 px	6.25 em
104 px	6.5 em
112 px	7 em
120 px	7.5 em
128 px	8 em
136 px	8.5 em
144 px	9 em
150 px	9.375 em
152 px	9.5 em
160 px	10 em
168 px	10.5 em
176 px	11 em
184 px	11.5 em
192 px	12 em
200 px	12.5 em
300 px	18.75 em
400 px	25 em
600 px	37.5 em
800 px	50 em
1024 px	64 em
1200 px	75 em

Frequently Asked Questions (FAQ)