Ratio Calculator

Calculate, simplify, and analyze ratios with this comprehensive mathematical tool.

Select Calculation Type

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Enter ratio values as numbers (e.g., 4:6 or 5:10)

About Ratios

A ratio is a relationship between two or more numbers that shows their relative sizes. Ratios can be written in different ways:

  • Using a colon: 3:4
  • As a fraction: 3/4
  • With the word "to": 3 to 4

Common Uses of Ratios:

  • Scaling recipes or ingredients
  • Financial calculations (debt-to-income ratio)
  • Probability and statistics
  • Mixing solutions and compounds
  • Analyzing business performance