PX to EM Converter - Online Tool for CSS Conversion.

EM is a unit of measurement commonly used in Cascading Style Sheets (CSS). It is a font-relative unit, meaning its value is determined by the font-size of its parent element.

This PX to EM Converter simplifies the process, saving you the hassle of manually converting pixels to em every time you need to. Whether you're working on responsive designs or fine-tuning typography, our px to em converter ensures accurate and quick calculations.

Pixel to EM Converter

Base

Steps to Use the Converter

  • Enter the Base Font Size value.
  • Input the Pixels value you want to convert.
  • Press Enter or click the Convert button.

How to Convert PX to EM

Converting pixels (px) to em is quite simple. Since em is a font-relative unit, its value depends on the font-size of its parent element. This means that 1em is always equal to the parent’s font size in CSS.

Pixels to EM Conversion Formula

To manually convert pixels to EM, use the following formula:

EM = Pixels / Font Size

For example, if the parent element has a font size of 16px, then:

1em = 16px
2em = 32px
0.5em = 8px

This makes em a flexible unit, commonly used for responsive web design, CSS typography, and scalable layouts. By using this px to em converter, you can easily ensure consistency across different screen sizes and devices.

Common EM to Pixels Conversions:

EM Pixels (at 16 PPI)
0.25em4px
0.5em8px
0.75em12px
1em16px
2em32px
4em64px
6.25em100px
12.5em200px
15.625em250px
18.75em300px
25em400px
37.5em600px
50em800px
75em1200px

Frequently Asked Questions (FAQ)

1. What is the PX to EM conversion used for?

The PX to EM conversion is essential for web developers and designers to make responsive, scalable layouts. It helps in converting fixed pixel sizes into relative EM units, improving the accessibility and flexibility of web designs.

2. How do I use the PX to EM converter?

Simply input your pixel value in the tool, and it will instantly convert it to EM units. This is especially helpful for adjusting font sizes and layouts for different screen sizes.

3. Why should I use EM units over PX in CSS?

Using EM units makes your design more responsive, as it scales with the user's browser settings. This improves accessibility and readability on all devices.

4. Can I convert other units to EM?

Yes! You can use the PX to EM converter for any pixel value to help maintain consistency in your responsive web design.

5. What is the difference between PX and EM units in CSS?

PX (pixels) are fixed-size units, while EM (em units) are relative to the parent element's font size. EM units help with better scalability across devices.