# Rule of Three Calculator

## With no clutter

Cross Calculate any numerical value right in your browser

If 60 is 100, how much would 50 be?

## Let me swap this

Needing to compare numbers

Remembering how to do this on a calculator

Googling for how to calculate with given numbers

Going on a website with ads and clicking all over the place

Don't think I've time for that

## With this

Need to compare numbers

Get results with QuickDrei

Do it in 5 seconds instead of 3 minutes!

## All the extra features

### Copy Paste

Save another 3 sec! Copy all steps or results

### VAT Tab

Need to calculate VAT also? QuickDrei Pro got you covered to save you at least another 3 min

### History Tab

Find the 20 most recent calculations in a history tab and copy/paste the result