Screen calculator
Physical size, pixel density and aspect ratio from resolution and diagonal. Everything runs in your browser — nothing is sent anywhere.
Common resolutions
Common diagonals
- Screen size
- —
- Pixel density
- — ppi
- Dot pitch
- — mm
- Aspect ratio
- —
- Total pixels
- —
Saved screens
Enter a resolution and diagonal — physical dimensions, pixel density and aspect ratio are computed as you type. Saved screens stay in your browser (localStorage); click one to load it again.