Proportions Calculator

Simple, powerful calculator to check the proportions of two ratios.

Enter 3 or 4 numbers and click Calculate to find the missing proportion/ratio.


How to use

Enter 3 numbers into the boxes above and then click Calculate to find the missing number to make the proportion/ratio work.

Preset List of Proportion Examples

Below are links to some preset calculations that are commonly searched for:

Random List of Proportion Examples

If you made it this far you must REALLY like proportional ratio examples. Here are some random calculations for you: