Education tool
Ratio Calculator
Calculate a simplified ratio, decimal value, and percentage from two numbers.
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How To Use Ratio Calculator
Quick notes to help you understand the result before you act on it.
Overview
Use this ratio calculator to simplify two-number comparisons.
It is helpful for recipes, marks, mixtures, and math practice.
Ratio Rule
- Divide both numbers by their greatest common divisor.
- Decimal = first value / second value.
Practical Tips
- Whole-number ratios simplify best.
- Use percentage calculator when comparing part to total.
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FAQ
Common questions about this tool.
Can ratios include decimals?
The calculator can show decimal and percentage output, but simplification is best for whole numbers.
What does 2:3 mean?
It means the first quantity has 2 parts for every 3 parts of the second quantity.