Percentage Calculator
Calculate percentages easily. Find percentage of a number, percentage change, or what percentage one number is of another.
What is X% of Y?
Tip Calculator
20% of $85 = $17
Discount
$120 with 30% off = $84
Tax
8% tax on $50 = $4
About Percentage Calculator
Our free percentage calculator handles all common percentage calculations. Whether you need to calculate a tip, find a discount price, determine tax amounts, or compute percentage change between two values, this tool provides instant, accurate results. Perfect for students, shoppers, business owners, and anyone who works with numbers.
Common Use Cases
Shopping Discounts
Quickly calculate sale prices and discount amounts while shopping online or in stores.
Restaurant Tips
Figure out the right tip amount based on your bill total and desired percentage.
Business Metrics
Calculate profit margins, tax amounts, commission rates, and growth percentages.
Grade Calculations
Students can calculate test scores, weighted grades, and overall percentages.
How to Use Percentage Calculator
- 1
Select the type of percentage calculation you need.
- 2
Enter the first value (percentage or number).
- 3
Enter the second value (the base number).
- 4
Click "Calculate" to see the instant result.
- 5
Use the "Copy Result" button to paste the value elsewhere.
Frequently asked questions
Tips for Best Results
- !
For tip calculations, 15% is standard, 18% is good, and 20%+ is excellent service.
- !
When calculating percentage change, always use the original value as the base.
- !
Double-check your inputs — a misplaced decimal can give very wrong results.
Why Use Our Percentage Calculator؟
Find percentage of a number
Calculate percentage change
Find what % one number is of another
Instant results
Copy result with one click
Free and unlimited