A percentage calculator is a versatile tool that helps you quickly perform various percentage-based calculations. Whether you need to find a percentage of a number, calculate percentage increases or decreases, determine discount savings, or solve other percentage problems, this calculator makes it simple and error-free.
Types of Percentage Calculations
Basic Percentage: Find what is X% of Y (e.g., What is 15% of 200?)
Percentage Of: Calculate what percentage one number is of another (e.g., 15 is what percent of 60?)
Value Is: Determine the whole value when you know a part and percentage (e.g., 25 is 20% of what number?)
Percentage Change: Find the percentage increase or decrease between two values
Discount Calculator: Calculate sale prices and savings when shopping
How to Use This Calculator
Simply select the type of calculation you need from the tabs above, input the required numbers, and click "Calculate" for instant results. Each calculator section handles a different type of percentage problem.
Common Uses for Percentage Calculations
Shopping discounts and sales tax
Tipping at restaurants
Calculating test scores and grades
Financial planning and investment returns
Business profit margins and growth rates
Nutritional information on food labels
Statistics and data analysis
FAQs About Percentage Calculations
1. What is the formula for calculating a percentage?
The basic formula is: (Part ÷ Whole) × 100 = Percentage
2. How do I calculate percentage increase?
Percentage increase = ((New Value - Old Value) ÷ Old Value) × 100
3. How do I calculate a discount?
Discount Amount = Original Price × (Discount Percentage ÷ 100)
Sale Price = Original Price - Discount Amount
4. How accurate is this calculator?
This calculator provides results accurate to two decimal places for most calculations.
5. Can I use this calculator for my homework?
Yes! This calculator is perfect for checking your math homework or understanding percentage concepts better.