Ratio Calculator

Calculator to calculate a ratio value

Calculate ratio


This function converts the two values of a ratio into larger or smaller values. The relationship between the values is retained. The ratio calculator can be used to determine an identical ratio by specifying three of the four parts of two ratios.

To perform the calculation, enter the values of the first ratio and a value of the second ratio. Then click the Calculate button.


Calculator

 Input
Ratio a : b :
Ratio c : x : X
Decimal places

Formula for ratio calculation


Write the ratio as a fraction

\(\displaystyle \frac{a}{b}=\frac{c}{x} \)

Convert fraction to x

\(\displaystyle x=\frac{b × c}{a} \)

Example

\(\displaystyle x= \frac{1080 × 1200}{1920} =\frac{1296000}{1920}=\color{blue}{675} \)

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