Amazon FBA Profit Calculator
Last updated: October 15, 2026
Estimate monthly Amazon FBA revenue, fees, contribution profit and margin using editable product, fulfillment, advertising and return assumptions.
Estimated monthly FBA profit
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- Estimated monthly revenue: —
- Estimated Amazon and fulfillment fees: —
- Estimated contribution per unit: —
- Estimated contribution margin: —
On this page
Quick summary: Estimate monthly Amazon FBA revenue, fees, contribution profit and margin using editable product, fulfillment, advertising and return assumptions.
Read the complete guide
Updated reference sections in this guide are in English.
What this calculator estimates
Estimate monthly Amazon FBA revenue, fees, contribution profit and margin using editable product, fulfillment, advertising and return assumptions.
How to use it
Enter Selling price per unit ($); Units sold per month; Product cost per unit ($); Inbound shipping per unit ($); Amazon referral fee (%); FBA fulfillment fee per unit ($); Storage and prep per unit ($); Advertising cost per unit ($); Return and refund allowance (%). Select Calculate to update the results.
How the calculation works
Monthly revenue is units multiplied by selling price. The calculator subtracts referral fees, fulfillment and storage fees, product and inbound costs, advertising and a return allowance.
Worked example: starting scenario
| Selling price per unit ($) | 34.99 |
|---|---|
| Units sold per month | 500 |
| Product cost per unit ($) | 9.5 |
| Inbound shipping per unit ($) | 1.25 |
| Amazon referral fee (%) | 15 |
| FBA fulfillment fee per unit ($) | 4.75 |
| Storage and prep per unit ($) | 0.65 |
| Advertising cost per unit ($) | 3.25 |
| Return and refund allowance (%) | 4 |
| Estimated monthly FBA profit | $4,470.95 |
|---|---|
| Estimated monthly revenue | $17,495.00 |
| Estimated Amazon and fulfillment fees | $5,324.25 |
| Estimated contribution per unit | $8.94 |
| Estimated contribution margin | 25.56% |
Important limitations
Actual Amazon fees vary by category, size tier, storage season, inventory age, promotions, taxes, refunds and account terms. Keep every fee assumption current and editable.