Ratio Calculator

Simplify and scale ratios

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Solve ratio problems: proportions, simplification, scaling, and splitting amounts.

Mode

How to Use Ratio Calculator

Enter a ratio like 4:6 or 2:3:5.

See the simplified form.

Scale to a target value.

Can it handle more than 2 parts? ▼

Yes, supports multi-part ratios like 2:3:5. All parts are simplified by their GCD.

Can it handle more than 2 parts? ▼

Yes. Enter ratios like 1:2:3 to simplify and scale multi-part ratios proportionally.

Does this work on mobile? ▼

Yes. All AllTools calculators are fully responsive and work on phones and tablets.

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