AmzEngine
Free Amazon Seller Tools
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Amazon ROI Calculator

Free Amazon ROI calculator. Enter cost, selling price and fees to calculate return on investment per unit so you can compare products before you buy inventory.

Inputs

$
$
$

Referral + FBA fulfillment

$
$
units

Results

Return on Investment
102.6%
Healthy — consider launching
Net Profit / unit
$15.19
Margin
50.7%

Order Totals (1,000 units)

Total Revenue$29,990.00
Total Cost− $14,800.00
Total Profit$15,190.00

How it works

1

Enter unit economics

Selling price, product cost, fees, ad spend and shipping per unit.

2

Set order quantity

How many units you plan to buy so totals scale correctly.

3

Compare ROI

See return on investment and net profit to decide if a product is worth buying.

Frequently asked questions

How is Amazon ROI calculated?

ROI is net profit divided by total cost (COGS plus fees and ad spend), expressed as a percentage. A healthy Amazon ROI is typically 50% or higher after all fees.