Your Free & Fast Tool for All Percentage Calculations!
Enter values to calculate.
Enter values to calculate.
Enter values to calculate.
A percentage calculator is a versatile online utility designed to quickly and accurately solve various percentage-related problems. From finding a percentage of a given number to calculating percentage increase or decrease, and determining what percentage one number is of another, this tool simplifies common mathematical tasks for everyday use.
Our free online percentage calculator eliminates the need for manual calculations, preventing errors and saving time. It's an essential tool for students, professionals, shoppers, and anyone who frequently deals with percentages in finance, retail, statistics, or academics.
Key advantages: Handles multiple percentage types, instant results, user-friendly interface, supports various applications, and entirely free to use.
Percentages are everywhere, and our calculator makes dealing with them effortless:
Avoid human errors common in manual percentage calculations, ensuring precise results.
Get instant answers for complex percentage problems that would take longer to compute manually.
Useful for discounts, taxes, tips, grades, financial analysis, statistics, and more.
Breaks down results clearly, even for those not strong in mathematics.
Access and use the tool directly from your web browser on any device.
Enjoy unlimited calculations without any hidden costs or subscription fees.
Our calculator offers several modes for different percentage calculations:
Example: What is 15% of 200?
Enter 15 in the first box and 200 in the second box. Click calculate. The result is 30. ($15/100 \times 200 = 30$)
Example: 50 is what percent of 200?
Enter 50 in the first box and 200 in the second box. Click calculate. The result is 25%. ($50/200 \times 100 = 25\%$)
Example: Price changed from 100 to 120. What's the percentage change?
Enter 100 (Old Value) and 120 (New Value). Click calculate. The result is a 20% increase. ( $(\text{120} - \text{100}) / \text{100} \times 100 = 20\%$)
Simply select the calculation type, input your numbers, and get instant results. All calculations are performed in your browser, ensuring data privacy.
Percentages are integral to various aspects of daily life and professional work:
Quickly find out the final price after a percentage discount or calculate sale savings.
Calculate sales tax, VAT, GST, or determine appropriate tips at restaurants effortlessly.
Determine percentage scores on exams, assignments, or overall academic performance.
Analyze growth rates, market share, population changes, or financial returns.
Our tool streamlines these calculations, making them accessible to everyone.
Understanding the basic formulas behind percentages can help you grasp the results better:
$Result = \frac{X}{100} \times Y$
Example: 20% of 150 = $(20/100) \times 150 = 30$
$Result = \frac{X}{Y} \times 100\%$
Example: 25 is what percent of 100? $(25/100) \times 100\% = 25\%$
$Percentage\ Change = \frac{\text{New Value} - \text{Old Value}}{\text{Old Value}} \times 100\%$
Example: From 50 to 60. Percentage Change = $(60-50)/50 \times 100\% = 20\%$ increase.
Our calculator automates these formulas, providing instant and accurate answers.
Percentage means "per hundred" or "out of one hundred." It's a way to express a number as a fraction of 100, often denoted by the percent sign (%).
Yes, our percentage calculator can handle negative numbers for 'X% of Y' and 'X is what percent of Y' calculations. For percentage change, it will correctly show increase or decrease even with negative values.
Our calculator supports very large numbers, accommodating most practical percentage calculations you might need.
You can use the 'X% of Y' function. First, calculate the percentage amount, then manually add or subtract it from the original number. For example, to add 10% to 100, calculate 10% of 100 (which is 10), then add it to 100 (100 + 10 = 110).
No, your input numbers are not saved or tracked by our servers. All calculations are performed instantly on your local device for maximum privacy and security.
Percentages help us understand proportions, changes, and comparisons easily. From understanding sales discounts, calculating grades, interpreting financial reports, to even understanding population growth, percentages are fundamental in making sense of data.
Our Percentage Calculator is optimized for the following Google search terms: