About this tool

CalcWell is a free collection of fast, clean online calculators for the everyday math people search for most. No sign-up, no clutter, and no waiting: every calculator runs right in your browser, so results update as you type and your numbers never leave your device.

The first release includes 16 tools in four groups:

Everyday math: a percentage calculator (X% of Y, percent change, "what percent is A of B"), a discount calculator for working out sale prices and savings, a tip and bill-split calculator for restaurants and groups, and a fraction calculator that adds, subtracts, multiplies, divi