Simplify ratios, find equivalent ratios, and solve for missing values in any ratio.
Ratio Calculator
Percentage
Inputs
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Enter values A and B of your ratio.
Optionally enter C to find the equivalent D.
Click Calculate.
A ratio compares two quantities. To simplify, divide both by their GCD. To find D where A:B = C:D, compute D = B × C / A.
A ratio expresses the relative size of two quantities. 3:1 means the first is three times the second.