Free Percentage Calculator – Calculate Percentages Instantly

Free online percentage calculator. Calculate percentages, percentage increase/decrease, and more. Perfect for tips, discounts, taxes, and grades.

📝 Examples: What is 20% of 200? (40)

How to Use the Percentage Calculator

  1. Choose calculation type: Select "% of a number", "% increase", or "% decrease"
  2. Enter your numbers: Input the number and percentage
  3. Calculate: Click the "Calculate" button
  4. Get results: View the result instantly

Common Percentage Calculations

  • Tips: 20% of $50 = $10 (total $60)
  • Discounts: 25% off $100 = $25 off (total $75)
  • Tax: 8% tax on $100 = $8 (total $108)
  • Grade: 85 out of 100 = 85%

FAQ About Percentage Calculators

How do I calculate a percentage of a number?

Use the "% of a number" mode. Enter the number and percentage, and the tool will calculate the result.

What is percentage increase?

Percentage increase shows how much a value has grown relative to the original. For example, 100 increased by 20% = 120.