Rem to Px Converter
Convert rem to pixels instantly — free, fast and private.
Your result will appear here.
How to use Rem to Px Converter
- Enter your value in the first box.
- Check the root font size — it is 16 px by default in most browsers; change it if your site uses a different root size.
- Your result appears instantly. Use Copy Result to copy it, or Clear to start over.
Note: this tool runs in your browser. Nothing is uploaded.
Frequently Asked Questions
Is this tool free?
Yes, it is 100% free with no sign-up. Your data stays in your browser.
How many px is 2 rem?
At the default 16 px root font size, 2 rem equals 32 px.
What is the default root font size?
Most browsers use 16 px, but if your site sets a different root size, change the root font size box and the result updates.
When do I need rem to px?
When a design gives spacing in rem but you need the exact pixel size — for example when matching a mockup or debugging layout sizes.