Ultimate Percentage Calculator
Your all-in-one solution for percentage calculations. Simple, accurate, and free to use.
Types of Percentage Calculations
Basic Percentage
Calculate what percentage one number is of another, or find a percentage of a number.
Percentage Change
Find out how much a value has increased or decreased as a percentage.
Distribution
Split a total into equal parts and see both the values and percentages.
Reverse Percentage
Calculate the original value before a percentage increase or decrease.
Common Uses
Shopping
- Calculate discounts
- Sales tax
- Price comparisons
Business
- Profit margins
- Growth rates
- Market share
Education
- Grade calculations
- Test scores
- Statistical analysis
Tips for Using the Calculator
Use the tabs at the top to switch between different calculation types.
All calculations happen instantly - no need to refresh the page.
Results are rounded to 2 decimal places for clarity.
For reverse calculations, remember that the percentage can't be 100%.
Need Help?
If you're unsure which calculator to use:
- Basic Percentage: Use when you need to find a percentage of a number
- Percentage Change: Use when comparing old and new values
- Distribution: Use when splitting a total into equal parts
- Reverse Percentage: Use when you know the final value after a percentage change
All calculations are performed instantly in your browser for maximum privacy and speed.