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