Ratio Calculator
Simplify ratios and solve proportions.
- 100% free
- Private in browser
- No signup
- No watermarks
Result
- Simplified ratio
- 16 : 9
- Decimal (A/B)
- 1.7778
- Percentage
- 177.7778%
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About Ratio Calculator
A ratio compares two quantities, and it is easiest to read in its simplest form. Ratio Calculator on TheToolss reduces any ratio to its lowest terms using the greatest common divisor, and also shows the decimal value and percentage. It is handy for recipes, mixing, aspect ratios, and math homework. The result updates as you type. It runs in your browser — free, private, and no signup.
How to use Ratio Calculator
- Enter the first number (A).
- Enter the second number (B).
- Read the simplified ratio, decimal, and percentage.
Key features
- Simplifies ratios to lowest terms
- Shows decimal and percentage
- Uses GCD for integer ratios
- Handles decimals too
- Private in-browser calculation
Frequently asked questions
- Is the Ratio Calculator free?
- Yes. It is free on TheToolss with no signup.
- How is a ratio simplified?
- Both numbers are divided by their greatest common divisor (GCD) so the ratio keeps the same proportion in smaller terms.
- Can I use decimals?
- Yes. For decimal inputs it shows the equivalent value as a decimal ratio.
- What is the percentage output?
- It is A ÷ B expressed as a percentage, useful for comparisons.
- Is my data uploaded?
- No. The calculation runs in your browser.
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