Percentage Calculator

Calculate percentages, percentage increase/decrease, discounts, tips, and more with our comprehensive percentage calculator.

Calculate X% of Y

Percentage Increase/Decrease

What Percentage is X of Y?

Common Percentage Calculations

Sales Tax

Calculate tax amount: Price × Tax Rate ÷ 100

Example: $100 × 8.5% = $8.50 tax

Discounts

Calculate discount: Original Price × Discount % ÷ 100

Example: $50 × 20% = $10 discount

Tips

Calculate tip: Bill Amount × Tip % ÷ 100

Example: $25 × 15% = $3.75 tip

Grade Percentages

Calculate grade: (Points Earned ÷ Total Points) × 100

Example: (85 ÷ 100) × 100 = 85%