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Equivalent Ratio Calculator

Enter a ratio and a multiplier to scale both terms while preserving the same proportional relationship.

12 : 20Equivalent to 3 : 5
3×4 : 5×4 = 12:20

How to use this Equivalent Ratio Calculator

Enter a ratio and a multiplier to scale both terms while preserving the same proportional relationship.

What it calculates

Create an equivalent ratio by multiplying both terms by the same scale factor.

Ratio model

These pages treat ratios as mathematical proportional relationships. A real-world application can still require compatible units and context before two quantities should be compared directly.

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