FAQ
What can a percentage calculator help with?
It can help with discounts, percentage changes, markups, tips, and other everyday percentage calculations.
Free online tool
Percentage Calculator
Five common percentage calculations in one page. Pick the problem type, enter two numbers, and see the answer instantly.
Percentage calculator
Try:
Enter two numbers to see the result.
How to use this calculator
Work out percentages, increases, decreases, and comparisons quickly.
Pick the problem typeFive tabs cover the most common percentage questions: “X% of Y,” “X is what % of Y,” increase, decrease, and percentage change.
Enter two numbersEach tab needs exactly two inputs. The answer updates as you type — no submit button.
Read the resultThe answer appears as a number and a plain-English sentence so you can verify it makes sense.
Frequently asked questions
Common questions about percentage calculations.
FAQ
Can I use a percentage calculator for increase and decrease?
Yes. Percentage calculators are often used for both growth and reduction calculations.
FAQ
Is a percentage calculator useful for shopping and budgeting?
Yes. It is helpful for discounts, savings estimates, tax checks, and other common money calculations.
Related tools
Explore other utilities in the Everyday Tools Hub library.