Discount Calculator
Calculate sale prices and savings with our Discount Calculator. Enter the original price and discount percentage to see the final price and exact savings amount. Perfect for shopping, Black Friday deals, clearance sales, coupon calculations, or comparing discounts across stores. The calculator instantly shows you the discounted price and how much money you save. All calculations happen instantly in your browser with no data storage.
How it works: Enter the original price and discount percentage to instantly see the final price and how much you save. Perfect for shopping, comparing deals, or budgeting purchases.
What Is a Percent Off Calculator?
A percent off calculator finds the sale price, discount dollar amount, and total savings when a percentage is taken off the original price. It’s the tool you open when a store shows "30% off" and you want the actual price before getting to the register — or when comparing two different deals to find the better value.
Formula: Discount Amount = Original Price × (Discount % ÷ 100). Sale Price = Original Price − Discount Amount.
How to Use This Discount Calculator
- Enter the original price of the item.
- Enter the discount percentage (e.g., 25 for 25% off).
- Optionally add a flat coupon amount to apply after the percentage discount.
- See the discount amount, final price, and total savings instantly.
Worked Example: 30% Off a $200 Item with a $10 Coupon
| Step | Calculation | Result |
|---|---|---|
| Discount amount | $200 × 30% | $60.00 |
| After % discount | $200 − $60 | $140.00 |
| Apply $10 coupon | $140 − $10 | $130.00 |
| Total savings | $200 − $130 | $70.00 (35% off) |
Apply the percentage discount before subtracting flat dollar coupons for maximum savings.
Common Percent Off Scenarios
| Original Price | Discount | Savings | Final Price |
|---|---|---|---|
| $50 | 20% off | $10.00 | $40.00 |
| $120 | 25% off | $30.00 | $90.00 |
| $499 | 15% off | $74.85 | $424.15 |
| $1,200 | 40% off | $480.00 | $720.00 |
| $85 | 10% + $5 coupon | $13.50 | $71.50 |
How Stacked Discounts Work
Two percentage discounts applied in sequence are not additive. Each applies to the already-reduced price:
$100 item → 20% off → $80 → then 10% off $80 → $72 final (28% total off), not 30%.
Effective combined discount: 1 − (1−0.20)×(1−0.10) = 1 − 0.72 = 28%.
Tips for Getting the Best Discount
- Apply % first, coupon second: This is the standard retail order and maximizes savings on the reduced price.
- Compare cost-per-unit: "Buy 2 get 1 free" = 33.3% off. Compare to a 30% sale to find the better deal.
- Watch for markup before markdown: Check historical prices to confirm the "original" price is real.
- Cashback stacks sequentially: 5% cashback + 25% discount = 1−(0.75×0.95) = 28.75% total.
Frequently Asked Questions About Discounts
How do I calculate percent off in my head?
Find 10% (move decimal left), then scale. 30% off $85: 10% = $8.50, 30% = $25.50, final = $59.50.
What is the original price if the sale price is $75 after 25% off?
Sale price is 75% of original. Original = $75 ÷ 0.75 = $100.
Is BOGO the same as 50% off?
Only if both items are the same price. Buy 2 pay 1 = 50% off per item. "Buy one get one 50% off" = 25% off the combined purchase.
Should I apply a coupon before or after a percentage discount?
Most retailers apply the percentage discount first, then subtract the flat coupon from the reduced price.
Related Calculators
- Percentage Calculator — all-in-one percent math
- Tip Calculator — tip percentage and split bill
- Sales Tax Calculator — add tax after discount
- Margin Calculator — profit margin on sale prices