Discount Calculator
Find the final price after a discount percentage or amount is applied.
The Discount Calculator instantly shows you the sale price and total savings when a percentage or fixed discount is applied to any original price. Whether you're shopping for clothes, comparing Black Friday deals, or checking if a "50% off" sale is really worth it, this tool does the math in one step. Enter the original price and the discount, and you get the final price and the exact dollar amount saved. You can also work backwards — enter the sale price and original price to find the hidden discount percentage.
Discount Calculator
Examples
$200 Item with 30% Discount
A jacket originally priced at $200 is on sale for 30% off.
→ Sale price: $140, You save: $60
Black Friday $850 TV at 35% Off
Find the final price and savings on a TV marked down 35%.
→ Sale price: $552.50, You save: $297.50
Find Discount % from Two Prices
A $120 item is on sale for $84. What is the discount percentage?
→ 30% off ($36 savings)
Stacked Coupons: 20% Off + Extra 10% Off
Apply two sequential discounts to a $150 purchase.
→ After first discount: $120. After second discount: $108. Total saved: $42 (28% off)
Tips
- ✓Compare multiple discounts by calculating each to find the true best deal.
- ✓"Stacked" percentage discounts multiply, not add — always recalculate from the new price.
- ✓To quickly estimate 20% off in your head: multiply by 0.8 (or take 10% and double it).
- ✓To check if a sale is genuine, compare to the price on other sites before buying.
Frequently Asked Questions
How do I calculate a discount?
Multiply the original price by the discount percentage to get the savings, then subtract from the original price. Formula: Sale Price = Original Price × (1 − Discount% / 100). Example: $100 with 25% off = $100 × 0.75 = $75.
What if there are multiple discounts stacked?
Apply discounts sequentially, not additively. A 10% discount followed by another 10% discount is NOT 20% off — it's 19% off total. After the first 10%: $100 → $90. After the second 10%: $90 → $81. Total savings: $19 (19%).
How do I find the original price from the discounted price?
Divide the sale price by (1 − discount rate). Example: Sale price $75 at 25% off → Original = $75 / (1 − 0.25) = $75 / 0.75 = $100.
How do I calculate the discount percentage from two prices?
Discount % = ((Original Price − Sale Price) / Original Price) × 100. Example: Originally $80, now $60 → ($80 − $60) / $80 × 100 = 25% off.
Is "50% off then 20% off" the same as 70% off?
No. Stacked percentage discounts multiply, they don't add. 50% off then 20% off = 1 − (0.5 × 0.8) = 1 − 0.4 = 60% total discount, not 70%.
Does this calculator include sales tax on the discounted price?
This calculator shows the pre-tax discount and sale price. To calculate the final cost with tax, apply the tax to the discounted price. Use our Sales Tax Calculator for the combined result.
How do stores calculate "buy one get one 50% off"?
The discount applies to the cheaper item. If both items cost the same price, the effective discount across both items is 25% total. Example: two $50 items → you pay $50 + $25 = $75 (25% off the combined $100).
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