Ratio Calculator

Calculate proportions, find missing values, and scale ratios with this easy-to-use calculator.

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Understanding Ratios

A ratio represents the quantitative relationship between two or more numbers, expressing how many times one value contains another. Ratios are fundamental in mathematics and have widespread practical applications in daily life.

Golden Ratio

1:1.618 - Found in art, architecture, and nature

Screen Aspect Ratio

16:9 - Common in modern displays

Baking Ratio

3:2:1 - Flour:Fat:Sugar in basic pastry

Common Applications

  • Recipe scaling and cooking measurements
  • Financial calculations and investments
  • Engineering and architectural design
  • Photography and digital media
  • Map scales and scale models
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