Percentage Calculator
Calculate percentages, percentage changes, discounts, tips and more with our comprehensive percentage calculator tool.
Tips: Use tab to move to the next field. Use shift+tab to move to the previous field. Press enter to calculate.
What is a Percentage Calculator?
A percentage calculator is an essential online percentage calculator tool that helps you perform various percentage calculations quickly and accurately. Whether you need to calculate what percent one number is of another, find percentage increases or decreases, or determine discounts and tips, our comprehensive percentage calculator provides instant results with precision.
Our advanced percentage calculator online supports multiple calculation types including basic percentage calculations (what is X% of Y?), reverse percentage calculations (X is what percent of Y?), and percentage change calculations showing increases and decreases. This free percentage calculator serves as your complete solution for all percentage-related mathematical needs.
Perfect for students learning percentage math, professionals calculating commissions and discounts, shoppers determining sale prices, or anyone needing quick and accurate percentage calculations. Our online percentage calculator handles complex percentage problems automatically, making it the most reliable percentage calculator free tool available for daily use.
Percentage Calculator Online - Key Features
Basic Percentage Calculator
Calculate what percent of a number quickly - perfect for tips, discounts, and basic math
Percentage Change Calculator
Calculate percentage increase and decrease between two values instantly
Multiple Calculation Modes
Reverse percentage, discount calculator, tip calculator - all in one tool
Free and Unlimited
No registration required - use our percentage calculator free as many times as needed
Percentage Calculator - Common Use Cases
Personal Percentage Calculator Uses
- Calculate tips at restaurants using our tip percentage calculator
- Determine sale prices and discounts with our discount percentage calculator
- Calculate grade percentages and test scores for students
- Track weight loss or gain percentages for fitness goals
- Calculate loan interest rates and mortgage percentages
- Determine tax amounts and percentage calculations
- Calculate commission percentages for sales work
- Find what percent of your income goes to different expenses
Business & Professional Percentage Calculator
- Calculate profit margins and markup percentages
- Determine employee raise percentages and salary increases
- Calculate business growth rates and percentage changes
- Analyze market share percentages and competition data
- Calculate tax percentages and deductions for accounting
- Determine inventory turnover rates and percentage metrics
- Calculate conversion rates and success percentages
- Analyze financial ratios and percentage-based KPIs
Percentage Calculator FAQ - Common Questions
How do I calculate what percent one number is of another?
Use our percentage calculator by entering the smaller number in the first field and the larger number in the second field. Our calculator will instantly show you what percentage the first number represents of the second. For example, to find what percent 25 is of 100, enter 25 and 100 to get 25%.
How do I calculate percentage increase or decrease?
Our percentage change calculator makes this easy. Enter the original value and the new value, and our tool will calculate the percentage change automatically. A positive result shows a percentage increase, while a negative result shows a percentage decrease. This is perfect for analyzing price changes, growth rates, or any value comparisons.
Can I use this as a discount calculator?
Absolutely! Our percentage calculator works perfectly as a discount calculator. To find the discount amount, use the 'What is X% of Y?' calculation - enter the discount percentage and the original price. To find the sale price, subtract the discount amount from the original price. Our tool makes discount calculations quick and accurate.
How accurate is this percentage calculator?
Our percentage calculator is extremely accurate and uses precise mathematical formulas for all calculations. Results are displayed with appropriate decimal places, and our tool handles both simple and complex percentage calculations with complete accuracy. You can trust our percentage calculator for professional, academic, and personal use.
Is this percentage calculator really free?
Yes, our percentage calculator is completely free to use with no limitations. You can perform unlimited percentage calculations without registration, subscriptions, or hidden fees. Our online percentage calculator is designed to be accessible to everyone who needs quick and accurate percentage calculations.
Can I use this calculator for tip calculations?
Definitely! Our percentage calculator works excellently as a tip calculator. Simply use the 'What is X% of Y?' function - enter your desired tip percentage (like 15%, 18%, or 20%) and the bill amount. The result will show you exactly how much to tip. You can then add this to your bill total for the complete amount.
How do I calculate grade percentages?
Use our percentage calculator to calculate grade percentages by entering your earned points and total possible points. For example, if you scored 85 out of 100, enter 85 and 100 to get 85%. Our calculator is perfect for students, teachers, and parents who need to quickly convert scores to percentage grades.
What's the difference between percentage and percentile?
A percentage is a fraction of 100 that our percentage calculator computes (like 75% meaning 75 out of 100). A percentile is a statistical measure showing what percentage of values fall below a certain point. Our percentage calculator handles percentage calculations, while percentile calculations require statistical analysis tools.
Pro Tips for Using Our Percentage Calculator
For Business and Professional Use
- Use our percentage change calculator to track business growth month-over-month
- Calculate profit margins by finding what percent profit is of total revenue
- Use the discount calculator function to determine optimal sale prices
- Track employee performance metrics using percentage calculations
- Calculate tax percentages and deductions for accurate financial planning
For Personal and Educational Use
- Use our tip calculator function when dining out - just calculate the percentage of your bill
- Calculate grade percentages to track academic progress throughout the semester
- Determine what percent of your budget goes to different expense categories
- Use percentage calculations to track fitness goals and progress over time
- Calculate discount percentages when shopping to find the best deals
**Related calculations:** Our comprehensive percentage calculator online includes features like percentage increase calculator, percentage decrease calculator, discount percentage calculator, tip percentage calculator, grade percentage calculator, and percentage change calculator capabilities. Whether you need a simple percent calculator or advanced percentage formula calculations, our tool serves as your complete percentage calculation solution. Perfect for students needing a grade percentage calculator, shoppers using our discount calculator, diners requiring a tip calculator, or professionals calculating business percentages and profit margins. From basic percentage math to complex percentage analysis, our free percentage calculator delivers reliable results every time.