Ratio & Proportion Calculator
Simplify ratios, solve proportions (A:B = C:X), and split amounts into parts using custom ratios.
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Quick Summary: Ratio & Proportion Calculator
To simplify a ratio, divide both numbers by their Greatest Common Divisor (GCD). To solve a proportion like A:B = C:X, cross-multiply: (B * C) / A = X.
How to use the Ratio & Proportion Calculator
- 1
Choose Mode
Select 'Simplify' to reduce a ratio or 'Solve' to find a missing proportion value.
- 2
Enter Numbers
Input your known values into the ratio fields.
- 3
View Result
Get the simplified form or the solved variable instantly.