How to Calculate Discounts: Percentage Off Explained
A discount reduces the original price by a stated percentage. This guide shows the exact formulas to compute discount amount and final price fast.
Try the tool: Discount Calculator →
Discount Formula
Use these two steps every time:
Discount Amount = Original Price x (Discount % / 100)
Final Price = Original Price - Discount Amount
Discount Chart (Quick Reference)
| Discount | You Pay |
|---|---|
| 10% off | 90% of price |
| 20% off | 80% of price |
| 25% off | 75% of price |
| 30% off | 70% of price |
| 40% off | 60% of price |
| 50% off | 50% of price |
Examples
Example 1
Original price: $80
Discount: 25%
Final price: $60
Example 2
Original price: $150
Discount: 40%
Final price: $90
Related tools: Discount Calculator, Percentage Calculator, and Sales Tax Calculator.
Use the NerdCalc Discount Calculator
Enter the original price and discount percent to get the final sale price instantly.