MasterTool

Amazon Profit Calculator

Calculate Amazon FBA profit after referral fee, fulfillment, storage and product cost.

Amazon fee tables last updated · reference source

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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.

Fee figures are stored in our static fee table and change over time. Confirm current rates against the platform's official fee page before relying on them.

What this tool does

The Amazon Profit Calculator combines the referral fee, the FBA fulfillment fee for your product's size tier, one month of off-peak storage, your landed product cost and ad spend to show net profit, margin and ROI per unit.

How to use the Amazon Profit Calculator

  1. Enter sale price and category.
  2. Enter packaged dimensions and weight.
  3. Enter landed product cost (unit + freight + duties).
  4. Enter average PPC spend per unit sold.
  5. Review profit, margin and ROI.

Formula

Profit = P − Referral − FBA − Storage − COGS − PPC
Referral
Category commission
FBA
Fulfillment fee from the rate card
Storage
cu ft × $0.78
COGS
Landed product cost
PPC
Advertising per unit

Worked example

A $25 product, 10 × 6 × 3 in, 1.2 lb, costing $6 landed with $2 PPC per sale.

Inputs

  • Sale price$25
  • CategoryMost categories (Home, Toys, Sports, etc.)
  • Package length10 in
  • Package width6 in
  • Package height3 in
  • Unit weight1.2 lb
  • Product cost (landed)$6
  • Ad spend per unit (PPC)$2

Result

  • Net profit$7.80
  • Total fees$9.20
  • Profit margin31.19%
  • Fees as % of revenue36.81%
  • ROI on product cost129.98%

Results explained

Net profit
Per-unit cash profit.
Total fees
Amazon referral + FBA + storage.
Profit margin
Profit ÷ price.
Fees as %
Amazon's share of the sale.
ROI
Profit ÷ product cost.

Frequently asked questions

Many sellers target 25–30% net margin after all Amazon fees and ad spend.

For a typical $25 standard-size item, referral and FBA fees together often take 30–40%.

Yes. Divide monthly ad spend by units sold and enter it per unit — it is often the largest variable cost.

Unit cost plus freight, duties and prep costs to get one unit into an Amazon warehouse.

No. Divide the monthly subscription by units sold and add it to product cost if you want it included.