What this tool does
Percentages appear everywhere in daily life — discounts in shops, exam scores, interest rates, tips and tax. This calculator handles the most common percentage questions instantly, so you do not have to remember the formulas or reach for a phone calculator and risk a mistake.
How to use this tool
- Choose the type of percentage question you have.
- Enter the two numbers involved.
- Read the answer instantly, with no rounding errors.
- Use it for discounts, scores, tips, tax and more.
Why it matters
Getting percentages right matters when money is involved. A quick, accurate tool helps you check a shop discount is genuine, confirm an exam grade, split a bill fairly, or sanity-check a figure before you act on it.