Convert rem to px Online
Turn rem units back into pixels so you can check exact rendered sizes. With a 16px base, 1rem equals 16px and 2rem equals 32px. Adjust the base font size when your root size is not the default.
CSS Units Converter
Convert between px, rem, em, vw, vh, %, pt, cm, mm, in and other CSS units
All Conversions
Conversion Formulas
Quick Reference (root: 16px, parent: 16px)
| px | rem | em | pt | vw | vh | Note |
|---|---|---|---|---|---|---|
| 1 | 0.0625 | 0.0625 | 0.75 | 0.052083 | 0.092593 | Hairline |
| 4 | 0.25 | 0.25 | 3 | 0.208333 | 0.37037 | 0.25rem |
| 8 | 0.5 | 0.5 | 6 | 0.416667 | 0.740741 | 0.5rem |
| 10 | 0.625 | 0.625 | 7.5 | 0.520833 | 0.925926 | Small text |
| 12 | 0.75 | 0.75 | 9 | 0.625 | 1.111111 | 0.75rem |
| 14 | 0.875 | 0.875 | 10.5 | 0.729167 | 1.296296 | Body small |
| 16 | 1 | 1 | 12 | 0.833333 | 1.481481 | 1rem (base) |
| 18 | 1.125 | 1.125 | 13.5 | 0.9375 | 1.666667 | 1.125rem |
| 20 | 1.25 | 1.25 | 15 | 1.041667 | 1.851852 | 1.25rem |
| 24 | 1.5 | 1.5 | 18 | 1.25 | 2.222222 | 1.5rem / heading |
| 32 | 2 | 2 | 24 | 1.666667 | 2.962963 | 2rem |
| 48 | 3 | 3 | 36 | 2.5 | 4.444444 | 3rem |
| 64 | 4 | 4 | 48 | 3.333333 | 5.925926 | 4rem |
| 96 | 6 | 6 | 72 | 5 | 8.888889 | 6rem / 1in |
Quick Start
- 1Enter your rem value in the rem field
- 2Confirm the base font size, usually 16px
- 3Read the equivalent pixel value
- 4Copy the px result for design specs or comparisons
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Looking for FAQs and advanced options? Visit the full CSS Units Converter page →