About Amazon FBA Fee & E-commerce Profit Margin Calculator
Accurately compute Amazon FBA seller fees and product profitability. Calculates category referral fees (8% to 17%), size tier fulfillment fees (Small Standard, Large Standard, Oversize), monthly inventory storage fees (Standard vs Q4 peak), PPC advertising cost per sale, return provisions, net profit per unit, margin %, ROI %, and break-even selling price. 100% private in browser.
Key Capabilities & Features
- Category referral fee selection (Standard 15%, Electronics 8%, Apparel 17%, Grocery 10%)
- Size tier fulfillment fee estimator (Small standard, Large standard, Oversize)
- Monthly storage fee simulation (Jan-Sep standard vs Oct-Dec Q4 peak)
- PPC advertising cost and customer returns provision modeling
- Instant net profit per unit, profit margin %, and ROI % calculation
- Break-even retail selling price analysis
How to Use Amazon FBA Fee & E-commerce Profit Margin Calculator
Enter Retail Price
Set your expected customer selling price on Amazon ($).
Enter Sourcing Costs
Provide your unit product cost (COGS) and freight cost to Amazon fulfillment centers.
Configure Size & Category
Select your product size tier and category to apply Amazon's official fee rates.
Review Net Margins
Analyze your net profit per unit, ROI, break-even price, and monthly revenue projection.
Privacy & In-Browser Execution Guarantee
100% confidential. Your product sourcing costs, margins, and sales volume remain strictly in your browser.
Frequently Asked Questions
What is the Amazon referral fee?
The referral fee is Amazon's commission on each sale, usually 15% of the total selling price for standard consumer products (8% for consumer electronics).
What is Q4 peak storage for Amazon FBA?
During the holiday peak from October to December, Amazon increases monthly storage fees from $0.78 to $2.40 per cubic foot for standard-size items to encourage inventory turnover.