Ratio Calculator

Simplify any ratio, solve for a missing value in a proportion, or split a total according to a ratio.

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🔢 3 modes

Simplify, solve a missing term, or divide a total proportionally.

🥋 GCD math

Ratios always reduced to lowest whole-number terms.

💰 Money ready

Split any amount by ratio with exact decimal shares.

📈 Scale factor

See the multiplication factor between ratios.

More math tools

Fractions, statistics and percentage changes round out the set.