Ratio Calculator
This free ratio calculator simplifies any ratio to its smallest whole numbers, solves proportions like A:B = C:x, and splits a total volume for dilution ratios such as 1:10.
Simplified ratio
2:3
4:6 = 2:3
Examples
How to use
- 1
Pick a mode: simplify a ratio, solve a proportion or split a dilution.
- 2
Type the two sides of your ratio, decimals like 2.5 work too.
- 3
For proportions and dilutions, add the third value or the total volume.
- 4
Read the result instantly, then copy or download it with the buttons under the tool.
Parameters
Every field of this tool can be prefilled from the URL. Use these query parameters:
| Parameter | Type | Default |
|---|---|---|
| mode | simplify | solve | dilution | simplify |
| a | number | 4 |
| b | number | 6 |
| c | number | 10 |
Example : https://www.veltotools.com/math/ratio-calculator?mode=simplify&a=4&b=6
API
The same tool is available as a free JSON API, with the same parameters as above. No key, no sign-up.