Amazon FBA Fee Calculator
Estimate Amazon FBA fees including referral fees, fulfillment costs, and storage charges per unit using the 2026 fee schedule effective January 15, 2026.
Enter product details and click calculate.
What This Calculator Does
This Amazon FBA fee calculator estimates the total fees Amazon charges per unit when you use Fulfillment by Amazon. It includes the 2026 referral fee schedule (8% to 20% by product category), FBA fulfillment fees based on size tier and weight, and monthly storage fees. The calculator shows your net profit per unit and ROI.
The Formula
The referral fee is a percentage of the selling price determined by product category. FBA fulfillment fees are based on the product size tier and weight, with rates updated effective January 15, 2026. Storage fees are charged monthly based on cubic feet of warehouse space used.
Step-by-Step Example
Enter product details
Set selling price ($29.99), product cost ($8.00), category (General at 15%), and size tier (Large Standard 0-1 lb at $4.18).
Calculate referral fee
Referral fee = $29.99 x 15% = $4.50 (minimum $0.30 per item).
Add fulfillment and storage
FBA fulfillment: $4.18. Monthly storage: $0.44. Shipping to FBA: $1.00 per unit.
Review net profit
Net profit: $29.99 - $4.50 - $4.18 - $0.44 - $8.00 - $1.00 = $11.87 per unit (39.6% margin).
Real-World Use Cases
Product Research
Evaluate whether a potential product generates sufficient margin after all Amazon fees before placing a bulk order.
Pricing Optimization
Model different price points to find the sweet spot between competitiveness and profitability.
FBA vs FBM Comparison
Compare FBA fees against your own fulfillment costs to decide which method is more profitable.
Common Mistakes to Avoid
Using the wrong product category referral rate. Clothing is 17%, electronics is 8%, and jewelry is 20%. Check your specific category.
Ignoring the minimum referral fee of $0.30 per item, which matters for very low-priced products.
Not accounting for long-term storage fees. Inventory stored over 181 days incurs aged-inventory surcharges.
Forgetting inbound shipping costs to Amazon fulfillment centers, which typically add $0.50 to $2.00 per unit.
Frequently Asked Questions
Accuracy and Disclaimer
Fee estimates are based on the 2026 Amazon FBA fee schedule effective January 15, 2026. Actual fees may differ based on product dimensions, weight verification, promotional pricing, and Amazon fee updates. Always verify current rates in Seller Central.
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