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We have lots of excellent calculators, each with supporting tutorials and example of how to calculate ratios in different ways. You can add, multiply, divide, subtract, work out shares, find equivalent ratios, find the missing ratio for two ratios, three ratios and more. Simply select the calculator you need to help you with your calculations, revision and math coursework. You can watch our short video which provides an introduction to ratios or you may wish to review our ratio tutorials which include excellent guides and pratical tutorials to help you master ratios and understand the relationship and differences between ratios, rates and proportion.

The ratio calculators are split into six separate categories, these are:

- New to Ratios
- Simple Math Ratio Calculators
- Ratio Calculators with Ratio Tutorials
- Ratio Table Calculators
- Ratio Conversion Calculators
- Ratios in every day use

- Ratio Addition Calculator (Add one ratio to another ratio)
- Ratio Subtraction Calculator (Subtract one ratio from another ratio)
- Ratio Division Calculator (Divide one ratio by another ratio)
- Ratio Multiplication Calculator (Multiply one ratio by another ratio)

- Relative Ratios Calculator
- Aspect Ratio Calculator
- Ratio Comparison Calculator (Are two or more ratios the same)
- Visual Ratio Comparison Calculator
- Ratio Finder
- Equivalent Ratios Calculator (tutorial with simple ratios)
- Equivalent Ratio Calculator (with ratio tables)
- Ratio Division Calculator (tutorial with simple ratios)
- Ratio Division Calculator (advanced ratios and shares)
- Ratio Simplifier Calculator
- Golden Ratio Calculator
- 3 Ratio Calculator
- Sharing Ratio Calculator
- Equal Share verse Ratio Share Calculator
- Values to Ratio Calculator
- Finance Ratio Calculator
- Cash Share Ratio Calculator

- Ratio Table Creator (for students and teachers)
- Ratio Table Calculator (for students)
- Decimal Ratio Table Calculator (for students and teachers)
- Ratio Tables Q and A Sheets(Ratio Teaching Aide)

Ratios are an excellent way of expressing paired and grouped values but they are not always practical when completing calculations. The following calculators allow you to convert ratios to other formats and other formats to ratios.

- Ratio Converter
- Percentage to Ratio Calculator
- Ratio to Percentage Calculator
- Ratio to Fraction Calculator
- Fraction to Ratio Calculator
- Ratio to Decimal Calculator
- Decimal to Ratio Calculator
- Values to Ratio Calculator

These calculators are designed to test your mental arithmetic and provide a bit or fun. each ratio test has a leader board so you can see if you can become the number 1 in the world for ratio calculations. The tests include ratios, fractions and percentages, this is because ratios can be expressed as fractions and percentages and it is worth training your brain to recognise and compare those values, the more you practice, the more you will become familiar with the relative values when comparing ratio, fraction and percentage values.

- Which Ratio or Fraction is bigger?
- Which Fraction is bigger?
- Which Ratio or Percentage is bigger
- Which Fraction or Percentage is bigger?
- Which Ratio is bigger?

The following calculators provide good example of ratios in every day life.