Percentage Calculator
Calculate percentages quickly and accurately with our comprehensive percentage calculator. Perfect for discounts, tips, grades, and more.
What Percentage?
Calculate what percentage one number is of another
Example: 20 is what % of 80? (Answer: 25%)
Percentage of Number
Calculate a percentage of a number
Example: What is 15% of 200? (Answer: 30)
Original Number
Calculate the original number when given a percentage
Example: 30 is 15% of what? (Answer: 200)
What Percentage?
Please enter a valid number
Please enter a valid number greater than 0
25%
Percentage
Formula: (20 ÷ 80) × 100 = 25%
Percentage of Number
Please enter a valid percentage
Please enter a valid number
30
Result
Formula: (15 ÷ 100) × 200 = 30
Original Number
Please enter a valid number
Please enter a valid percentage greater than 0
200
Original Number
Formula: 30 ÷ (15 ÷ 100) = 200
How to Use
1
What Percentage?
Calculate what percentage one number is of another
Example: 20 is what % of 80? (Answer: 25%)
2
Percentage of Number
Calculate a percentage of a number
Example: What is 15% of 200? (Answer: 30)
3
Original Number
Calculate the original number when given a percentage
Example: 30 is 15% of what? (Answer: 200)
All calculations are performed using standard mathematical formulas for accuracy