Pixels to EM Converter

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 (px) 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.

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:

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.

Steps to Use the Converter

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

How to Convert EM to PX

Converting EM to PX is simple. First, determine the parent element's font size, then multiply it by the EM value to get the equivalent pixel (px) size.

EM to Pixels Conversion Formula

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

This method ensures accurate font scaling in CSS, making it essential for responsive web design and typography adjustments.

How EM Works

In CSS, the em unit is relative to the font size of its parent element. For example:

<section>
  <p>How EM works.</p>
</section> 

When you set a font size for the <section> element, it determines the base size for its children:

section {
  font-size: 16px;
} 

Now, if you assign 2em to the <p> element:

p {
  font-size: 2em;
} 

The font size of the paragraph will be twice the size of its parent <section>, which means 32px (2 × 16px).