Percent of Number Calculator
Fast online calculator to find percentage of a number. Enter percentage and number, get instant results.
Enter the percentage you want to calculate
Enter the number to find percentage of
Calculation Formula
To find a percentage of a number, divide the percentage by 100 and multiply by the original number.
Example Calculations
About the Percentage Calculator
The percentage calculator is a universal tool for quickly calculating the percentage portion of any number. Simply enter the percentage and number, and the calculator will instantly show the result.
This calculator is essential in everyday life: calculating discounts in stores, determining tax amounts, calculating tips in restaurants, or computing interest on deposits.
All calculations are performed locally in your browser, so your data remains confidential and is not sent to any server.
Where the Calculator is Used
Finance and Taxes
Calculate VAT, income tax, bank fees, loan interest, and deposit rates.
Shopping and Discounts
Calculate discounted prices, determine savings during sales.
Business and Accounting
Calculate agent commissions, employee bonuses, budget expense shares.
Statistics and Analytics
Determine percentage shares of metrics, calculate growth rates and changes.
Calculator Benefits
Instant Calculation
Results appear immediately after entering data without needing to click a 'Calculate' button.
Simple Interface
Intuitive design — just enter two numbers and get the result.
Example Calculations
Ready-made examples help you quickly understand how the calculator works.
FAQ
How do I use the calculator?
Enter a percentage (e.g., 20) in the first field and a number (e.g., 500) in the second field. The result (100) will appear automatically.
What formula is used for calculation?
Formula: (Percent ÷ 100) × Number. For example, to find 20% of 500: (20 ÷ 100) × 500 = 100.
Can I use negative numbers?
Yes, the calculator works correctly with negative numbers and percentages.
Are decimal percentages supported?
Yes, you can use decimal percentages, such as 15.5% or 0.25%.
What is the calculation accuracy?
The calculator uses standard JavaScript precision (up to 15 significant digits) and rounds the result to 2 decimal places.
How to calculate a percentage of a number?
To find X% of a number, multiply the number by X and divide by 100. For example, 15% of 200 = 200 * 15 / 100 = 30.
When do you need percentage calculations?
Percentages are used everywhere: calculating discounts, taxes, tips, loan interest, investment returns, grades, statistics and much more.
What is the difference between percentage and percentage points?
Percentage is a relative value (10% of 200 = 20), while percentage points measure the absolute difference between two percentages (from 10% to 15% is 5 percentage points).