About the Percentage Calculator
Our free online percentage calculator handles the most common percentage tasks. Calculate a percentage of a number, find what percent one number is of another, or compute percentage increase and decrease. Ideal for shopping discounts, grade calculations, financial analysis, and everyday math.
How to Use
- Select one of three calculation modes from the tabs
- Enter the required numbers in the input fields
- Click "Calculate" to see your result instantly
Features
- Percent of a number (e.g., 15% of 200 = 30)
- What percent is X of Y (e.g., 30 of 200 = 15%)
- Percentage increase or decrease between two values
- 100% free with no registration required