Stacked Discount Calculator
What's the real price
after all these discounts?
Enter the original price, a first discount rate, and an optional coupon discount to see the final price and total savings.
🔒 Your inputs never leave your browser — nothing is sent to a server
Discount Ledger
Results update instantly as you type
Final Price
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Total Saved
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How are stacked discounts calculated?
The coupon discount is applied to the already-discounted price (multiplicatively), not to the original price. For example, 20% off followed by a 10% coupon results in paying 72% of the original price, not 70%.
Frequently Asked Questions
How accurate is this result?
The math is exact given the rates you enter — the only variable is whether the store applies discounts in the same stacking order.
Is my data stored or sent anywhere?
No. All calculations happen entirely in your browser.
Does this work on mobile?
Yes, the layout automatically adapts to your screen size.