Aspect ratio calculator.

Simplify dimensions or solve for a missing width or height.

DIMENSION INPUT NC / 02

Choose a calculation.

Calculation mode

Simplify ratioWidth + height Find dimensionUse a known ratio

Width in pixels

Height in pixels

CALCULATED OUTPUT LIVE

1920 × 1080 pixels

16:9

The two dimensions have been reduced to their simplest whole-number ratio.

HOW IT WORKS

The greatest common divisor (GCD) divides both dimensions by the same amount, leaving the simplest ratio.

Aspect ratio = width : height

Calculations happen in your browser. No data is sent anywhere.