Aspect Ratio Calculator

100% local v1.1.2

Lock a ratio, change one side, and the other follows — or type a size to see its simplified ratio.

Aspect ratio

Ratio :

Simplified ratio 16 : 9

Decimal ratio 1.78 : 1

Width px

Height px

Locked to the ratio above — edit either side and the other follows.

Lock an aspect ratio, change one dimension and get the other, and simplify any width by height to its ratio. Runs in your browser.