Ratio Calculator

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Ratio Examples

90:3(2+1) 1:5 620:(x+24)=10 4:7=x:21 4:6=10:15 3:5=15:25

About Ratio Calculator

A free ratio calculator can convert ratios to fractions, compare whether given ratios are equal, or find the missing value in a set of ratios with step-by-step solutions.

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Frequently Asked Questions

CameraMath helps you calculate ratios in seconds. Just enter your ratio question and click the "Solve" button.

Solve for the missing ratio value

Use the unknown x to represent the missing value. For example, enter 5:6:3=7:9:x in the input box and click "Solve". Find the scale factor x from a complete column. x=4.2

What is the ratio of 4 to 12?

The ratio of 4 to 12 is 1:3.

How to simplify a ratio?

To simplify a ratio, divide all the numbers in the ratio by their greatest common divisor (GCF). For example, the GCF of all the numbers in 4:12 is 4, so 4:12=(4/4):(12/4)=1:3

What is φ in mathematics?

In mathematics, the Greek letter φ represents the golden ratio. φ is approximately equal to 1.6180339887.