Amazon FBA Fee Calculator

Summary

Estimate your Amazon FBA fulfillment fee, referral fee, and net profit by entering product size, weight, and selling price.

How it works

1. Select the product category to set the referral fee percentage.
2. Enter the item weight (pounds) and longest, median, and shortest dimensions (inches).
3. Enter your selling price and optional product cost.
4. The tool picks the correct size tier (Small Standard through Special Oversize) automatically.
5. Referral fee, fulfillment fee, and net profit are calculated and displayed instantly.

Use cases

• Evaluate whether a new product is profitable before sourcing.
• Compare margin impact of pricing a product at different price points.
• Understand how size/weight affects fulfillment fees when designing packaging.
• Quickly estimate fees for multiple SKUs during wholesale or arbitrage sourcing.
• Build a business case with net profit and margin percentage.

Frequently Asked Questions