Discount Calculator — Stackable Discounts & Bulk Shopping Cart
Calculate stackable discounts applied sequentially (20% + 10% ≠ 30%). Includes a full shopping cart with add/remove items, per-item discounts, sales tax.
✓ Formula verified: January 2026For informational purposes only
Discount Calculator
Results below
Enter Values
Final Price (after discounts and tax)
$43.29
You Save
▲ $10.00 (20.0% off)
After Discount
$39.99
What if your original price changes? $44.991 → $38.96 · $49.99 → $43.29 · $54.989000000000004 → $47.62
Scenario Comparison
Conservative (5%)
$16,470.09
$6,470.09 interest
Your scenario (7%)
$20,096.61
$10,096.61 interest
Aggressive (10%)
$27,070.41
$17,070.41 interest
High-risk (14%)
$40,224.71
$30,224.71 interest
Best return
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Bulk Discount Calculator
%
| Item | Price | Disc. 1 | Disc. 2 | Final | |
|---|---|---|---|---|---|
$ | $43.29 |
Total Original
$49.99
After Discount
$39.99
Total You Pay
$43.29
Total Saved
$10.00
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