Photography & Creator Calculators

Aspect Ratio Calculator

Use Aspect Ratio Calculator free in your browser. No account required; your input is processed locally in your browser.

Runs locallyYour inputs stay in your browser.
Workspace
Result
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HOW IT IS CALCULATED

Reduce dimensions to an aspect ratio

1920 × 1080 → 16:9

Instant resultClear formulaRuns locally
01Values
02width:GCD : height:GCD
03Result

1920 × 1080 → 16:9

GOOD TO KNOW

Aspect ratio ignores absolute size

1920×1080 and 1280×720 share the same 16:9 shape.

02

In short

What logic does the calculator use?

width:GCD : height:GCD

Example?

1920 × 1080 → 16:9