Percentage Calculator
Calculate percentages, discounts, markups, and percentage changes
Comprehensive percentage calculator for all your calculation needs. Find percentages, calculate discounts, determine markup prices, and analyze percentage changes.
Basic Percentage
What is X% of Y?
Common Percentage Calculations
Shopping & Finance
- Sales tax: Add 8.5% to price
- Tip calculation: 15-20% of bill
- Interest rate: Annual percentage yield
- Commission: Percentage of sales
Business & Analytics
- Profit margin: (Profit ÷ Revenue) × 100
- Growth rate: Year-over-year percentage
- Market share: Company sales ÷ Total market
- Conversion rate: Conversions ÷ Visitors
💡 Quick Tips:
• To find 10% of any number, move the decimal one place left
• To find 1% of any number, move the decimal two places left
• To find 50%, divide by 2; to find 25%, divide by 4