Ratio Calculator

Calculate and simplify ratios

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Enter Ratio

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Simplified Ratio

3 : 4

Ratio Properties

As Fraction:3/4As Decimal:0.7500As Percentage:75.00%Inverse Ratio:4 : 3

Scale Ratio

6 : 8

Find Missing Value (Cross Multiply)

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=
:
Missing value: 15

Equivalent Ratios

3 : 46 : 89 : 1212 : 1615 : 2018 : 2421 : 2824 : 3227 : 3630 : 40

About Ratio Calculator

Calculate and simplify ratios

Use this free online math tools tool to work faster without installing extra software. The interface is built for quick input, clear output, and straightforward results on desktop and mobile devices.

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This tool runs in your browser whenever possible, which keeps your inputs private and reduces unnecessary round-trips to the server.