Next calculator topic
Percentage Change Calculator
Use a percentage change calculator when you need to compare an old value and a new value to see how much something increased or decreased in percentage terms.
Percentage calculator
Percentage Calculator
Use this percentage calculator to find any percentage of a number. Enter the percentage, enter the base number, and get the result instantly with the formula and a worked example.
Fast results
Sponsored placement
A future sponsor message can live here without getting in the way of the calculator.
Result
36
15% of 240 is 36.
Formula
(percent ÷ 100) × number
The formula sits beside the answer so you can see the logic immediately, not hunt for it lower on the page.
Worked example
0.15 × 240 = 36
A quick example makes it easier to double-check the math when you are using the result for money, schoolwork, or planning.
Learn the method
Percentage formula and example
To calculate a percentage of a number, turn the percentage into a decimal and multiply. If you want 25% of 80, change 25% to 0.25, then multiply 0.25 × 80 to get 20.
Step-by-step example
- 1. Start with the percentage: 15%.
- 2. Divide by 100 to convert it to a decimal: 0.15.
- 3. Multiply by the number: 0.15 × 240.
- 4. Read the answer: 36.
When people use this
- Discounts: Find 20% off a price before you buy.
- Tips: Work out 15% or 18% of a restaurant bill.
- Commissions: Check what a percentage payout equals in money.
- Budgets: Estimate what part of your income goes to a category.
Next calculator topic
Percentage Increase Calculator
A percentage increase calculator helps when you want to add a rate to a starting number, such as a price rise, markup, or projected growth target.
Next calculator topic
Percentage Decrease Calculator
Use a percentage decrease calculator to reduce a value by a percentage, which is useful for markdowns, cuts, depreciation, and budget trimming.
Next calculator topic
Percentage Difference Calculator
A percentage difference calculator compares two numbers without choosing a baseline first, which is helpful when you only need the gap between the values.