Percentage Calculator

Enter a percentage (e.g., 20) and a number (e.g., 50) to find what X% of Y is. Example: 20% of 50 = 10.
Enter two numbers to find what percentage the first is of the second. Example: 10 is what percent of 50? = 20%.
Enter two numbers to find the percentage change. Example: From 50 to 75 = 50% increase; from 50 to 25 = -50% decrease.

Tips: Use tab to move to the next field. Use shift-tab to move to the previous field. Press Enter to calculate.

Discover the Power of the Percentage Calculator

About

The Percentage Calculator at OkayCalculator.com is a free, user-friendly online tool designed to simplify percentage calculations. Whether you’re a student, professional, or just curious, this tool helps you compute percentages quickly and accurately for various purposes like discounts, grades, or financial analysis.

What is a Percentage?

A percentage is a way to express a number as a fraction of 100, often used to represent proportions or comparisons. It’s denoted by the symbol “%”. For example, 25% means 25 out of 100, or a quarter of the whole.

How Do You Calculate a Percentage?

The Percentage Calculator makes this effortless! It offers three key functions:

What is X% of Y?

Example: What is 20% of 50? Enter 20 in the percentage field and 50 in the number field. The tool calculates ( 20 / 100 ) × 50 = 10 (20/100) \times 50 = 10 (20/100)×50=10.

X is What Percent of Y?

Example: 10 is what percent of 50? Input 10 and 50, and the tool computes ( 10 / 50 ) × 100 = 20 % (10/50) \times 100 = 20\% (10/50)×100=20%.

Percentage Increase/Decrease from X to Y?

Example: What’s the percentage increase from 50 to 75? Enter 50 and 75, and it calculates ( ( 75 − 50 ) / 50 ) × 100 = 50 % ((75-50)/50) \times 100 = 50\% ((75−50)/50)×100=50%.

Simply input your values, click “Calculate,” and get instant results! The tool also supports keyboard shortcuts like Enter to calculate and Tab to navigate fields.

Why Percentages Matter?

Percentages are essential in everyday life. They help you:

  • Calculate discounts during shopping (e.g., 30% off a $100 item).
  • Determine grades or performance metrics (e.g., scored 80 out of 100 = 80%).
  • Analyze financial growth or decline (e.g., a 15% salary increase).
    Understanding percentages empowers you to make informed decisions in academics, finance, and more.

Benefits of Using the Percentage Calculator

  • Speed: Get results in seconds without manual math.
  • Accuracy: Avoid errors with automated calculations.
  • Convenience: Free and accessible on any device, anytime.
  • Versatility: Handles multiple percentage-related tasks in one tool.

FAQ

Q: Can I calculate percentage changes with this tool?

A: Yes! Use the increase/decrease section to find percentage changes instantly.

Q: Is the Percentage Calculator free?

A: Absolutely, it’s 100% free to use at OkayCalculator.com.

Explore more tools like the Age Calculator or BMI Calculator on OkayCalculator.com to simplify your calculations!