PX to REM Converter

What does this online calculator do?

This converter calculates the rem value for a given px value. Using this tool you will be able to convert fixed pixel sizes to rem (root-em) css units. It is basically a css sizing unit that is relative to font-size value of root html tag. By default it's value is 16px. but it can be changed and thus affects the calculated values.

What is rem

REM or root-em is css sizing unit. The value of REM is determined by the font-size of the root element, so 1 REM maintains a consistent value across your entire CSS code.

How px to rem value is calculated

It is basic calculation with two variables i.e root font-size and pixel value that needs to be converted to rem. If root font-size is of default value i.e 16px and value to be calculated is also 16px, then the resulting value is 1rem. Similarly 1px is equal to 0.0625rem.

What is px to rem calculation formula?

It is just simple formula of px / rem once 1 rem value is calculated which is always equal to root font-size.

For Example

1 rem is equal to 16px; Then 32px will be 2 rem's, because 32px/16px = 2.

What does this online tool calculate?

This tool handles conversion of PX values to REM values, which is a frequent task in responsive web design & development. Our REM to PX converter simplifies this process, allowing you to easily switch between these units. Whether you need to convert PX to REM or REM to pixels, our tool is here to help.

Why is converting REM to PX important?

REM is based on the root element, offering responsive scaling, while PX is a fixed unit.

Most common px to rem conversion values table (Base 16px)

References

MDN Web Docs - CSS Values & Units