Percentage Calculator

Calculate any percentage instantly - simple, fast, and 100% free!

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Result:
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Common Percentage Calculations

Discount Calculator

To calculate a discount, use our "What is X% of Y?" calculator. Enter the discount percentage and original price to find your savings.

Example: 20% off $50 = $10 discount

Tip Calculator

Calculate tips easily using the percentage calculator. Common tip percentages are 15%, 18%, or 20% of your bill.

Example: 15% tip on $60 = $9 tip

Grade Calculator

Find your grade percentage using "X is what percent of Y?" Enter your score and total possible points.

Example: 85 points out of 100 = 85% grade

Tax Calculator

Calculate sales tax or VAT quickly. Enter the tax rate and amount to find the tax amount.

Example: 8% tax on $100 = $8 tax

Why Choose Our Percentage Calculator?

  • Instant Calculations: Get results as you type - no waiting, no page reloads
  • Multiple Calculation Types: Handle any percentage problem with our versatile calculator
  • Mobile-Friendly: Perfect calculations on any device - phone, tablet, or desktop
  • No Installation: Works right in your browser - no downloads or apps needed
  • 100% Free: All features available at no cost, no hidden fees

Frequently Asked Questions

How do I calculate a percentage?

To calculate a percentage:

  1. For "What is X% of Y?": Multiply X by Y and divide by 100
  2. For "X is what % of Y?": Divide X by Y and multiply by 100
  3. For percentage change: Subtract old from new, divide by old, multiply by 100

What are common percentage calculations?

  • Discounts and sales (10%, 20%, 50% off)
  • Tips at restaurants (15%, 18%, 20%)
  • Academic grades (out of 100%)
  • Tax calculations (varies by region)
  • Interest rates and financial calculations

Is this calculator free to use?

Yes! Our percentage calculator is completely free. No registration, no hidden fees, and no limits on calculations.

Can I use this for business calculations?

Absolutely! Our calculator is perfect for:

  • Retail discounts and markups
  • Sales commissions
  • Tax calculations
  • Profit margins
  • Growth rates