REM to PX Converter Online

Quickly convert REM units to pixel values with our free online REM to PX Converter. Ideal for web developers and designers working on responsive websites, this tool simplifies the process of translating scalable REM units back into fixed pixel values. Whether you’re fine-tuning your CSS or ensuring design consistency across different devices, our converter makes the job easy—no sign-up, no installation, just fast and accurate conversions.

rem
px

Calculation based on a root font-size of

pixel.

How to Use the PX to REM Converter

  • Enter the REM Value

    • Input the REM value you want to convert into the designated field.
  • Set the Root Font Size

    • Enter the root font size in pixels (default is 16px, commonly used in browsers). This value is used to calculate the equivalent pixel value.
  • Copy or Use the Value

    • Copy the pixel value to your clipboard and use it directly in your CSS for precise design adjustments.

Why Use Our REM to PX Converter?

Fast and Accurate

Instantly convert REM units to pixel values, ensuring precise control over your CSS styling.

User-Friendly Interface

Designed with simplicity in mind, our tool is perfect for both novice and experienced developers.

Customizable Root Font Size

Adjust the root font size to match your project’s settings for accurate conversions..

Optimized for Precision

Ensure your designs remain consistent and pixel-perfect across different devices by converting REM units to fixed pixel values.

Common Use Cases

Web Development

Convert REM units back to pixel values for precise control over layout and design elements in your CSS.

UI/UX Design

Use pixel values for consistent sizing in design mockups and prototypes, ensuring a seamless transition from design to development.

Responsive Design

Translate responsive REM units into pixel values to fine-tune your layout and typography for specific breakpoints.

Frequently asked questions

What is a REM unit?
REM stands for "root em" and is a unit of measurement in CSS relative to the root element's font size. It is commonly used in responsive design.
Why convert REM to PX?
Converting REM to PX allows developers to understand how REM units translate into fixed pixel values, ensuring precision in design and layout.
What is the default root font size?
The default root font size in most browsers is 16px, but you can adjust this value based on your project’s requirements.
Is this tool compatible with all browsers?
Yes, our REM to PX converter works seamlessly on all modern browsers and devices.

Browser support

Chrome 4+

Chrome 4+

Firefox 2+

Firefox 2+

Edge

Edge

Safari 3.1+

Safari 3.1+