Percentage Calculator
Percentage Calculator handles the three everyday percentage questions: what is X% of a number, what percent one number is of another, and the percentage change between two numbers.
Last updated: July 2026
Calculate percentages three ways: X% of a number, what % one number is of another, and percentage increase or decrease. Free and instant.
Loading tool…
How to use Percentage Calculator
- Pick the calculation you need.
- Enter your two numbers.
- Read the result instantly.
Frequently asked questions
What calculations does it cover?
“X% of Y”, “X is what percent of Y”, and percentage increase/decrease between two values.
Does it handle decreases?
Yes. The percentage-change mode shows a negative result for a decrease.
Is it free?
Yes, completely free with instant results and no sign-up.
Related calculators
Age Calculator
Calculate exact age in years, months and days from any date of birth — plus total months, weeks and days. Free and instant.
BMI Calculator
Calculate your Body Mass Index (BMI) in metric or imperial units and see your weight category instantly. Free and private.
Loan / EMI Calculator
Calculate your monthly loan EMI, total interest and total payment from the loan amount, interest rate and tenure. Free and instant.
Date Difference Calculator
Calculate the exact difference between two dates in years, months, days and total days, weeks and hours. Free and instant.