Ratio Calculator

Select Calculation Type:

First Number:

Second Number:

Original Ratio:

Target Value:

First Ratio:

Second Ratio:

Original Value:

Scale Factor:

Basic Ratio: Compares two or more related quantities (e.g., 3:4)
Equivalent Ratios: Different ratios that represent the same relationship (e.g., 1:2 = 2:4 = 3:6)
Proportion: An equation stating that two ratios are equal (e.g., 1:2 = x:4)
Scale Factor: The number that multiplies a quantity to create an enlargement or reduction