How to Calculate Discounts and Sale Prices
2026-05-24
Quick Answer
Quick Answer: Sale price = Original price × (1 − discount ÷ 100). A 25% off deal on a $80 item costs $60. Try our Discount Calculator.
The discount formula
If an item is $49.99 and the discount is 20%:
- Savings = $49.99 × 0.20 = $10.00
- Sale price = $39.99
Black Friday mental math
For 30% off, multiply the price by 0.70. For 50% off, halve the price.
Try It Yourself
Calculate any discount with the Discount Calculator or Percentage Calculator.
Frequently Asked Questions
How do I find 15% off a price?
Multiply the price by 0.15 for savings, or use our discount tool.
Is the sale price before or after tax?
Stores usually apply discounts before sales tax; tax is calculated on the discounted price.