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Ratio & Proportion Calculator

Simplify ratios, solve proportions, scale recipes and maps. Find missing values in A/B = C/D.

Ratio Simplifier

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Simplified

2 : 3

Equivalent Ratios

×2

4 : 6

×3

6 : 9

×5

10 : 15

×10

20 : 30

Percentage Split

40.00% : 60.00%