Ratio calculator
Simplify ratios, find missing values (e.g. 2:3 = 10:?), or scale proportions.
How to use
1. Choose simplify, find missing, or scale mode.
2. Enter ratio values.
3. Read the result proportion.
Example
Ratio calculator
Simplify ratios, find missing values (e.g. 2:3 = 10:?), or scale proportions.
When to use
• When you need a quick estimate without spreadsheets.
• When you want privacy — calculations stay on your device.