Amazon FBA Profit Calculator
Total Amazon Fees:
Total Expenses:
Net Profit per Unit:
Net Margin:
Return on Investment (ROI):
How to Use the Amazon FBA Profit Calculator
Selling on Amazon through the Fulfillment by Amazon (FBA) program offers incredible scale, but the fee structure can be complex. To ensure your private label or wholesale business remains sustainable, you must account for every penny. This calculator helps you determine your true bottom line after all Amazon fees and overhead costs.
Understanding the Key FBA Metrics
1. Product Cost (COGS)
Cost of Goods Sold includes the manufacturing price per unit. If you are sourcing from overseas, this should be your "Ex-Works" or "FOB" price.
2. Referral Fee
Amazon charges a "referral fee" for every item sold on their platform. For most categories, this is 15% of the total selling price, though it can range from 8% to 45% depending on the niche.
3. Fulfillment Fee
This is the flat fee Amazon charges to pick, pack, and ship your product. It is determined by the dimensions and weight of your packaged product (Standard vs. Oversize).
4. Monthly Storage Fees
Amazon charges for the space your inventory occupies in their warehouses. These fees increase significantly during "Q4" (October–December).
Example Profit Calculation
Imagine you are selling a yoga mat:
- Selling Price: $35.00
- COGS: $10.00
- Shipping to Amazon: $2.00
- Referral Fee (15%): $5.25
- FBA Fulfillment Fee: $7.50
- PPC/Advertising: $3.00
In this scenario, your total expenses are $27.75, leaving a Net Profit of $7.25. This results in a 20.7% Margin and a 72.5% ROI.
Strategies to Increase FBA Margins
- Optimize Packaging: Reducing the size of your product box by even half an inch can often drop your FBA fulfillment fee into a lower tier.
- Bulk Shipping: Use sea freight (LCL or FCL) instead of air express to lower your per-unit shipping costs.
- Improve ACoS: Optimize your Amazon Advertising campaigns to reduce the PPC cost per unit sold.
- Negotiate with Suppliers: Once you have consistent sales volume, negotiate a 5–10% discount on manufacturing costs.