Free tools / Seller essentials
Deal & Coupon Profit Calculator
Check whether extra promotion sales cover your discount, fees and returns. Compare contribution and the sales volume needed to match your baseline.
Private, in your browser. No signup.
Illustrative starting values. Enter your own net prices and current fee terms for one comparable period.
Product economics
Baseline & promotion
Return assumptions
Your promotion comparison
Extra contribution (EUR)
-114.88
Units to match baseline
197
Required uplift (%)
97
Largest matching discount (%)
17.3
| Metric | Baseline (EUR) | Promotion (EUR) |
|---|---|---|
| Price before returns | 30 | 24 |
| Units | 100 | 180 |
| Expected returned units | 5 | 9 |
| Revenue after returns | 2,850 | 4,104 |
| Contribution per unit before ads & fixed fees | 12.4 | 7.08 |
| Ad spend & fixed promotion fees | 200 | 350 |
| Total contribution | 1,040 | 925.12 |
| Contribution margin (%) | 36.49 | 22.54 |
8 rows · page 1 of 1. Downloads include every matching row.
Save or import your scenario
The calculator applies your entered fee assumptions. Check Amazon’s coupon guidance and your marketplace’s current terms.
Calculation assumptions
- All prices, revenue, costs and fees are net of VAT/sales tax; use the same currency throughout.
- Every proposed unit receives the stated discount. Coupon adoption and stacked promotions are not modelled.
- Percentage referral and promotion fees use the discounted net price. Enter effective rates matching your actual fee basis.
- Each return fully refunds the discounted selling price. Fulfillment and promotion fees are retained; referral fee recovery and returned COGS recovery are explicit inputs.
- Advertising spend and the fixed promotion fee stay constant when calculating required sales volume.
- Contribution covers only entered items. It excludes overhead, storage, financing and other unentered costs.
- No current Amazon fee schedule, minimum, cap or eligibility check is applied automatically.