What Percent Calculator
Find what percentage one number is of another number
Examples
Example 1
50 is what percent of 200?
Answer: 25%
Because (50 ÷ 200) × 100 = 25%
Example 2
75 is what percent of 150?
Answer: 50%
Because (75 ÷ 150) × 100 = 50%
Example 3
25 is what percent of 50?
Answer: 50%
Because (25 ÷ 50) × 100 = 50%
Percentage Formula
Percentage = (Number ÷ Total) × 100
How to Calculate Percentage:
- Take the number you want to find the percentage for
- Divide it by the total number
- Multiply the result by 100 to get the percentage
Benefits & Features
Our percentage calculator offers multiple advantages for quick and accurate calculations:
Easy Calculations
- Instant percentage results
- Simple, intuitive interface
- Multiple calculation types
- Step-by-step explanations
- Real-time updates
Practical Applications
- Sales and discounts
- Academic grade calculations
- Business metrics
- Financial ratios
- Statistical analysis
Advanced Features
- Percentage increase/decrease
- Ratio calculations
- Fraction to percent conversion
- Decimal to percent conversion
- Customizable precision
Frequently Asked Questions
How do I calculate what percent one number is of another?
To find what percent A is of B:
- Divide A by B
- Multiply the result by 100
- Add the % symbol
For example, to find what percent 15 is of 30:
- 15 ÷ 30 = 0.5
- 0.5 × 100 = 50
- Therefore, 15 is 50% of 30
Why do we multiply by 100 when calculating percentages?
We multiply by 100 because 'percent' means 'per hundred'. When we multiply by 100, we're converting a decimal to a percentage. For example:
- 0.5 = 50%
- 0.25 = 25%
- 1.0 = 100%
This makes numbers easier to understand and compare in everyday situations.
What are some real-world applications of percentage calculations?
Percentage calculations are used in many real-world scenarios:
- Calculating discounts during sales
- Determining test scores in education
- Computing interest rates in finance
- Analyzing business growth rates
- Measuring success rates in statistics
- Calculating tax rates and amounts