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How It Works
A percent-off sale reduces the original price by a given percentage. This calculator lets you find the discount percentage, the sale price, or the original price when you know the other two values. It handles the simple formula: Sale = Original × (1 − %Off/100).
Example Problem
A $120 jacket is on sale for $84. What is the percent off?
- Discount amount: $120 − $84 = $36
- Percent off: ($36 / $120) × 100 = 30%
Frequently Asked Questions
How do I calculate 20 percent off a price?
Multiply the original price by 0.20 to get the savings, then subtract from the original. For a $50 item: $50 × 0.20 = $10 off, so you pay $40.
Do stacked discounts add up?
No. A 20% discount followed by an additional 10% off is not 30% total. The second discount applies to the already-reduced price: $100 → $80 → $72, which is 28% off overall.
How do I find the original price from a sale price?
Divide the sale price by (1 − discount/100). If an item is $60 after a 25% discount: $60 / 0.75 = $80 original price.
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