Ratio Calculator — Simplify A:B

Calculator

A ratio calculator reduces two numbers to the simplest A:B form using their greatest common divisor.

What is it

A ratio compares two quantities. Dividing both sides by the same value keeps the relationship, and using the GCD gives the simplest form.

simplified ratio = (A / GCD):(B / GCD)

How to use

  1. 1Enter A.
  2. 2Enter B.
  3. 3Check the simplified ratio.

Reference

Ratio Calculator — Simplify A:B Reference
ABRatio
16916:9
1920108016:9

Sources & standards

FAQ

What ratio is 1920:1080?

Dividing both by 120 gives 16:9.

Is ratio calculator input sent to a server?

No. This tool runs in your browser and does not send input to a server.

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