Every percent sum, done in a second.
From "what's 20% off £350" to splitting a bill six ways, adding VAT, or projecting a savings account. One tab, no ads in your face.
Percentage Calculator
Three modes for the most-Googled percent questions. Answers appear live.
Tip Calculator & Bill Splitter
Slide the tip percentage, split between any number of people. Totals round to the nearest penny.
VAT & Sales Tax Calculator
Add or strip VAT at any rate. UK standard rate is 20%. Handy presets for common countries.
Discount Calculator
Work out the final price and what you save at the till.
Compound Interest Calculator
Project how savings grow with regular contributions. Monthly compounding.
Grade Calculator
Turn marks into a percentage and a letter grade. Works with UK and US scales.
About Percentify
A small site that does one thing — percents — and does a lot of them. Built to be quick. Every tool works client-side, so it keeps running even on a patchy connection.