Percentage Calculator Tool
Calculate percentages instantly with our powerful online calculator
Percentage of Number
Find what percentage of a number equals another number
Percentage Change
Calculate percentage increase or decrease
What Percentage
Find what percentage one number is of another
Why Choose Our Percentage Calculator?
Powerful features designed for accuracy and ease of use
Mobile Responsive
Works perfectly on all devices – desktop, tablet, and mobile
Instant Results
Get accurate calculations instantly without any delays
Secure & Private
All calculations are performed locally – no data sent to servers
User Friendly
Simple interface designed for both beginners and professionals
How to Use the Percentage Calculator
Simple steps to get accurate percentage calculations
Choose Calculator Type
Select from percentage of number, percentage change, or what percentage calculations
Enter Your Values
Input the numbers you want to calculate. The tool accepts decimals and whole numbers
Get Instant Results
Click calculate to get your result instantly with detailed explanations
Perfect for Various Applications
Our calculator is ideal for multiple use cases
Business Analytics
Calculate profit margins, growth rates, and business performance metrics
Education
Perfect for students, teachers, and educational institutions for math problems
Financial Planning
Calculate interest rates, discounts, taxes, and investment returns
Shopping & Sales
Calculate discounts, sale prices, and savings on purchases
Health & Fitness
Track progress, calculate body fat percentage, and fitness improvements
Engineering
Calculate ratios, proportions, and engineering calculations
Frequently Asked Questions
Common questions about percentage calculations
How do I calculate what percentage one number is of another?
Divide the first number by the second number and multiply by 100. For example, to find what percentage 25 is of 100: (25 ÷ 100) × 100 = 25%
What’s the difference between percentage increase and percentage change?
Percentage increase is when the new value is higher than the original. Percentage change can be either positive (increase) or negative (decrease) depending on whether the new value is higher or lower.
Can I calculate percentages with decimal numbers?
Yes! Our calculator works with both whole numbers and decimals. Simply enter your decimal values and get accurate results.
Is this percentage calculator free to use?
Absolutely! This percentage calculator is completely free to use with no limitations. No registration or payment required.