Amazon seller profit calculator
Amazon Seller Profit Calculator
Enter your basic product data, and the system will estimate profit, profit margin, ROI, break-even selling price, and other key metrics.
Basic Data
FBA Fees
Fees are estimated from package data by default; you can manually override any known fee.
FBA fulfillment fee
AutoMonthly storage fee
AutoAutomatic Fee Inputs
Required only when automatic fulfillment or storage fees are enabled.
Product Dimensions & Weight
Results
Cost Breakdown
Estimated per unit- Product cost
- USD 0 Manual input
- Inbound / landed
- USD 0 Manual input
- Referral fee
- USD 0 Selling price x referral fee rate
- Advertising cost
- USD 0 Selling price x advertising ratio
- Return cost
- USD 0 (Product + inbound + ads + fulfillment + referral x 20%) x return rate
- Fulfillment fee
- USD 5.46 Auto or manual input
- Storage fee
- USD 0.14 Auto or manual input
- Other cost
- USD 0 Manual input
- Fixed cost
- USD 5.61 Product + inbound + fulfillment + storage + other
- Total cost
- USD 5.61 Fixed cost + referral + ads + returns
Set a target margin, then work backward
If product cost is not settled yet, use reverse mode to estimate the cost ceiling from price and target margin.
Results are estimated per unit; monthly storage fee is counted separately in fixed cost.Fulfillment and storage fee rules last updated: 2026-05-17.
How to Use
FAQ
How is ROI calculated?
ROI is calculated as unit profit divided by product cost, giving a quick view of return on inventory investment.
Where should I enter taxes, exchange rate losses, and similar fees?
You can estimate them first and include them under Other Costs.