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Ratio calculator

Ratio

A:B in — simplified or proportionally scaled out.

Runs in your browser. Numbers stay on this device — nothing is uploaded to BrowserSpaces for processing.

Simplify

Divide by GCD.

Scale

Match a known side.

Part values

See both sides.

Use the calculator

Simplified ratio

2 : 3

How it works

How ratios are handled

Simplification divides both parts by GCD. Scaling multiplies both sides by target/known.

Three steps

  1. 1

    Enter A and B

    The ratio parts.

  2. 2

    Simplify or scale

    Choose the mode.

  3. 3

    Read result

    New A:B.