Deal A total: $112.49.
Show calculation steps
- Subtotal: $149.99.
- After first discount: $112.49.
- After second discount: $112.49.
- After fixed coupon: $112.49.
- Tax estimate: $0.00; final total $112.49.
Your numbers are calculated in this browser. No account or database is required.
Stack a sale and a coupon
$200 · 20% off · extra 10% off · $5 coupon · 5% tax
- 01
First discount: 200 × 0.8 = $160.
- 02
Second discount: 160 × 0.9 = $144.
- 03
Fixed coupon: 144 − 5 = $139.
- 04
Tax estimate: 139 × 0.05 = $6.95; total = $145.95.
Illustrative example · The tool applies discounts, then the fixed coupon, then tax. A retailer’s coupon and tax rules may use a different order.
Load this example ↗Formula & method
A 20% discount followed by another 10% discount is an effective 28% reduction, not 30%, because the second discount is applied to the already-reduced price.
Frequently asked questions
Can I add two discount percentages together?
Not for sequential discounts. Apply each discount to the price remaining after the previous discount.
What does the deal comparison do?
It calculates two shopping scenarios independently and highlights which one produces the lower final total.