Quick answer: 16 px = 1 rem
About the PX to REM
Points (pt) come from print and are used in Word and Google Docs; pixels (px) and rem are used in CSS. In CSS, 1 inch = 96 px = 72 pt, so 1 pt = 1.333 px. Em and rem are relative to the font size, which browsers default to 16 px.
How to convert px to rem
- Enter your numbers (or keep the example).
- The result updates instantly as you type.
- Copy the result, or copy the link: it keeps your numbers so you can share them.
px to rem (16px base)
| px | rem |
|---|---|
| 8px | 0.5rem |
| 10px | 0.625rem |
| 12px | 0.75rem |
| 14px | 0.875rem |
| 15px | 0.9375rem |
| 16px | 1rem |
| 18px | 1.125rem |
| 20px | 1.25rem |
| 24px | 1.5rem |
| 28px | 1.75rem |
| 32px | 2rem |
| 36px | 2.25rem |
| 48px | 3rem |
| 64px | 4rem |
How it's calculated
px = pt × 96 ÷ 72. rem = px ÷ base font size (16 px by default).
Features
- Instant resultsUpdates as you type.
- Shareable linkThe URL keeps your inputs.
- Reference tableCommon values on this page.
- Works offlineRuns in your browser.
Frequently asked questions
Is the PX to REM free?
Yes, the PX to REM is free with no sign-up, no limits and no ads covering the result.
Does it work on my phone?
Yes. It works in any modern browser on phones, tablets and computers, and keeps working offline once the page has loaded.
Last updated · Processing happens locally in your browser.