What is % of Calculator
Calculate what percentage of a number easily
Examples
Example 1
What is 20% of 100?
Answer: 20
Because 20/100 × 100 = 20
Example 2
What is 15% of 80?
Answer: 12
Because 15/100 × 80 = 12
Example 3
What is 5% of 200?
Answer: 10
Because 5/100 × 200 = 10
Formula
Result = (Percentage ÷ 100) × Number
How it works:
- First, divide the percentage by 100 to convert it to a decimal
- Then multiply this decimal by the number
- The result is the percentage of the number
Benefits & Features
Our percentage calculator offers several advantages for students, professionals, and anyone working with percentages:
Easy Calculations
- Instant results with no complex math
- Clear step-by-step explanations
- Support for decimal and fraction inputs
- Automatic rounding options
- Real-time calculation updates
Practical Applications
- Calculate discounts and sales tax
- Determine grade percentages
- Figure out commission rates
- Work out percentage changes
- Calculate profit margins
Learning Tool
- Visual percentage representations
- Understanding percentage concepts
- Practice with real-world examples
- Verify manual calculations
- Build confidence in math skills
Frequently Asked Questions
What is a percentage?
A percentage is a number or ratio expressed as a fraction of 100. The word percentage comes from the Latin 'per centum', meaning 'per hundred'.
How do I calculate percentages in my head?
For simple percentages, you can use these tricks:
- 10% = divide by 10
- 5% = divide by 10, then divide by 2
- 25% = divide by 4
- 50% = divide by 2
Why do we use percentages?
Percentages are used to express parts of a whole, making it easier to compare different quantities relative to each other. They're commonly used in statistics, finance, and everyday calculations.