📏 Aspect Ratio Calculator

Calculate aspect ratios for images and videos. Enter two known values to find the missing fourth.

Aspect Ratio: 16:9
Simplified: 16:9
Decimal: 1.778

Common Ratios

1:1 Square
4:3 Standard
16:9 Widescreen
21:9 Ultrawide
3:2 Photo
9:16 Vertical