Free Percentage Calculator Online - Calculate Percentages Instantly

Fast, accurate, and easy-to-use percentage calculator for all your math needs

Calculate percentages, percentage increase/decrease, discounts, tips, and more with our free online tool

Percentage Calculator Tool
Choose your calculation type and get instant results for any percentage problem

Calculate what percentage of a number equals - perfect for discounts and tips

How to Use the Percentage Calculator

Step 1: Choose Calculation Type

Select the type of percentage calculation you need from the dropdown menu. Each option is designed for specific use cases like discounts, tips, or growth analysis.

Step 2: Enter Your Numbers

Input your numbers in the designated fields. The calculator will automatically update the result as you type, providing instant percentage calculations.

Percentage Calculator Examples

Shopping Discounts

25% off $200 = $150

15% off $80 = $68

30% off $120 = $84

Perfect for calculating sale prices and savings

Restaurant Tips

18% tip on $50 = $9

20% tip on $75 = $15

15% tip on $40 = $6

Calculate appropriate tips for dining out

Grade Calculations

85 out of 100 = 85%

42 out of 50 = 84%

18 out of 20 = 90%

Convert scores to percentage grades

Frequently Asked Questions

How do I calculate a percentage of a number?

To calculate a percentage of a number, multiply the number by the percentage and divide by 100. For example, 25% of 200 = (25 × 200) ÷ 100 = 50. Our calculator does this automatically.

What is percentage increase and decrease?

Percentage increase shows how much a value has grown, while percentage decrease shows how much it has fallen. The formula is: ((New Value - Original Value) ÷ Original Value) × 100.

Can I use this calculator for business purposes?

Yes! This percentage calculator is perfect for business use including profit margins, sales growth, discount calculations, tax calculations, and financial analysis.

Is this percentage calculator free to use?

Our percentage calculator is completely free to use with no registration required. Access all features instantly and perform unlimited calculations.

Why Use Our Percentage Calculator?

Key Features

  • ✓ Instant percentage calculations
  • ✓ Multiple calculation types
  • ✓ Real-time results as you type
  • ✓ Mobile-friendly responsive design
  • ✓ No registration or download required
  • ✓ Accurate to 2 decimal places

Perfect For

  • • Students and homework help
  • • Business and financial calculations
  • • Shopping and discount calculations
  • • Restaurant tip calculations
  • • Grade and test score conversions
  • • Statistical analysis and data work