Calculatorism

Aspect Ratio Calculator

Get the simplest width:height ratio and the other dimension from one known dimension.

Input Data

Width
Height

Results

Simplest integer ratio.
16
Explanatory note about the result.
最簡比 = 16:9（比值 1.7778）。

At a glance:Aspect ratio = width:height reduced by the greatest common divisor; ratio value = width / height. Complements pixel and resolution calculators.

Formula

Simplest ratio = width/gcd : height/gcd.

ratio = width / height.

How to Use

  1. Enter width and height.
  2. The tool returns the simplest ratio and note.

Case Studies

1920x1080 → 16:9

gcd=120; 1920/120:1080/120 = 16:9.

FAQ

How is this different from pixel?

Pixel computes density; this gives the ratio.

Related Tools

References

Content review: Calculatorism Science Team. Results are for reference only; please refer to the relevant authorities for the official figures.

Found a problem with the results?

If this calculator's result is wrong, or you have any question about the calculation logic, please let us know. You are viewing:Aspect Ratio Calculator（/conversion/aspect-ratio）。