Ratio Calculator

Simplify ratios, create equivalent ratios, and solve missing values in proportions.

Simplify A : B to its lowest terms.

Find an equivalent ratio by multiplying both sides by the same factor.

Multiplier

Solve A : B = C : X

Result

Result -

Decimal Relationship -

Simplifying a Ratio

Divide both numbers by their greatest common divisor (GCD).

Equivalent Ratio

A : B = (A x k) : (B x k)

Proportion

A : B = C : X

A / B = C / X

X = (B x C) / A