Use this free, accurate root em (rem) to pixel calculator to convert between Root EM (REM) (rem) and Pixel (px). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
16 Pixel
1 rem is equal to 16 px.
px = rem × 16
typography Converters
To convert from Root EM (REM) to Pixel, multiply the value in Root EM (REM) by 16 (or use the formula: px = rem × 16).
Take your initial measurement in Root EM (REM) (rem). For instance, let's convert 1 rem.
Multiply by the standard conversion factor (16).
The final converted measurement equals 16 Pixel (px).
Compare standard reference values and common conversion benchmarks.
| Root EM (REM) (rem) | Pixel (px) | Action |
|---|---|---|
| 1 rem | 16 px | |
| 2 rem | 32 px | |
| 3 rem | 48 px | |
| 5 rem | 80 px | |
| 10 rem | 160 px | |
| 15 rem | 240 px | |
| 20 rem | 320 px | |
| 25 rem | 400 px | |
| 50 rem | 800 px | |
| 75 rem | 1200 px | |
| 100 rem | 1600 px | |
| 250 rem | 4000 px | |
| 500 rem | 8000 px | |
| 1000 rem | 16000 px |
Official standards, measurement systems, and real-world everyday applications.
A relative CSS unit proportional to the root <html> font-size (standard default is 16px = 1rem).
Common Practical Uses
A standard CSS pixel, the fundamental unit of digital screen layouts (1/96th of an inch).
Common Practical Uses
Calculate from Pixel (px) back to Root EM (REM) (rem).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 16 pixels in 1 rems. Exactly 1 rem is equal to 16 px.
The conversion formula is: Pixel = px = rem × 16. Applying this to 1 rem gives: 1 × 16 = 16 px.
To convert in reverse from pixels to rems, multiply by the inverse factor: 1 px = 0.0625 rem. Alternatively, divide your Pixel amount by 16.
For a fast mental approximation, multiply your starting Root EM (REM) number by 16.
Root EM (REM) (rem) belongs to the CSS Relative system, commonly used in Responsive web design, Accessible typography, Tailwind / CSS frameworks. In comparison, Pixel (px) is part of the Digital / CSS system, frequently applied in Web design, UI styling, Screen resolutions.
Key milestones include: 1 rem = 16 px, 5 rem = 80 px, 10 rem = 160 px, 50 rem = 800 px, and 100 rem = 1600 px.