Convert rem to pixels
Rem (rem) to pixel (px). One rem equals 16 pixels.
Formula
Rem to pixel conversion table
| Rem | Pixels | Pixels | Rem |
|---|---|---|---|
| 1 rem | 16 px | 1 px | 0.0625 rem |
| 2 rem | 32 px | 2 px | 0.125 rem |
| 3 rem | 48 px | 3 px | 0.1875 rem |
| 5 rem | 80 px | 5 px | 0.3125 rem |
| 10 rem | 160 px | 10 px | 0.625 rem |
| 20 rem | 320 px | 20 px | 1.25 rem |
| 50 rem | 800 px | 50 px | 3.125 rem |
| 100 rem | 1600 px | 100 px | 6.25 rem |
| 500 rem | 8000 px | 500 px | 31.25 rem |
| 1000 rem | 16000 px | 1000 px | 62.5 rem |
To convert rem to pixels, multiply the number of rem by 16. One rem equals 16 pixels, and one pixel equals 0.0625 rem, so the relationship is fixed and exact. As a worked example, 10 rem comes to 160 px. Enter your own figure in the converter above to get an instant answer, or use the swap button to flip the direction. This is a typography conversion, and like every tool on UnitGlide it runs locally in your browser with no account or upload required. The table further down shows a range of common rem values already worked out in pixels, plus the reverse pixel to rem direction, which is handy for quick reference or double-checking a result by hand.
Frequently asked questions
How many pixels are in a rem?
One rem equals 16 pixels. The ratio is constant, so you can multiply any number of rem by 16 to get pixels.
What is the formula to convert rem to pixels?
Use pixels = rem × 16. UnitGlide applies this exact formula for every value, so results stay accurate across the whole range.
How do I convert pixels back to rem?
Go the other way by using one pixel equals 0.0625 rem. You can also press the swap button in the converter above to flip the direction in one click.
Is this rem to pixel converter accurate?
Yes. It uses a fixed multiple of the common 16px default browser root font-size used for rem; if a project sets a different root font-size, scale the result accordingly, and all math runs in your browser so nothing is rounded away on a server. For everyday use the displayed precision is more than enough.