Percentage Calculator
Instantly calculate what percentage of a number you need.
Enter the number and the percentage rate to calculate a specific percentage of a number.
Result
36
18% of 200 = 36
Result in all units
Step-by-step solution
Result = Number × Percentage ÷ 100
What Is a Percentage Calculation?
A percentage is the ratio of a number expressed per 100 units. Percentage calculations are used in everyday math such as finding a certain percentage of an amount, discounts, markups, taxes, or profit margins.
How is it calculated?
How to Calculate a Percentage?
The percentage of a number is found by multiplying the number by the percentage rate and dividing by 100:
Result = (number × percentage) ÷ 100
- For example, 20% of 250: (250 × 20) ÷ 100 = 50.
- To find what percentage one number is of another: (part ÷ whole) × 100.
Frequently Asked Questions
What is 15% of 200?
(200 × 15) ÷ 100 = 30.
What percentage is one number of another?
Use the formula (part ÷ whole) × 100. For example, 30 is (30 ÷ 150) × 100 = 20% of 150.