Ecommerce · United States

Amazon FBA Profit Calculator

Enter your selling price, cost, and current Amazon fees. The calculator shows referral fee, FBA fulfillment, storage, ads, and net margin per unit in USD.

Marketplace fees change. Enter your current fee rate for the most accurate estimate.

Inputs

Selling price ($)

COGS (landed to Amazon) ($)

Amazon referral fee (%)

Most categories 8–17%. Check Seller Central.

FBA fulfillment fee (per unit) ($)

Storage cost per unit / month ($)

Advertising cost of sales (ACOS) (%)

Return / refund reserve (%)

Result

Referral fee (15.00%): $3.75
FBA fulfillment: $4.75
Storage / unit / month: $0.25
PPC (ACOS 22.00%): $5.50
COGS: $5.50
Return reserve (5.00%): $1.25
Net profit per unit: $3.99
Net margin: 15.98%

Method

Profit = Price − Referral fee % − FBA fulfillment − Monthly storage per unit − PPC cost per unit − COGS − Return reserve.

Frequently asked questions

Where do I find my current referral fee?

Seller Central > Reports > Payments, or Amazon's category fee schedule. Rates vary by category.

Should I include long-term storage fees?

Yes, if your inventory sits more than 181 days. Add them into the storage input as a per-unit amortized cost.

Method and guidance reviewed by the AIFlowBiz Editorial Team.