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FBA vs FBM calculator

Profit per unit with FBA and with FBM, side by side.

Quick answer

FBA profit = price − cost − referral − FBA fee − storage − inbound. FBM profit = price + shipping charged − cost − referral − shipping, packing, labor.

Start from an example:

Product

$
$
%
15% in most categories, with a R$1,74 minimum.

FBA costs per unit

$
From Amazon’s revenue calculator for your size tier.
$
$
Shipping to Amazon, placement fee, labels.

FBM costs per order

$
$
$
$

Estimate. Amazon charges the referral fee on the total sale, including any shipping you charge.

How FBA and FBM profit are compared

  • FBA profit

    price − cost − referral − FBA fee − storage − inbound

    Amazon stores, picks, packs and ships. You pay per unit fees and send stock in.

  • FBM profit

    price + shipping charged − cost − referral − shipping − packing − labor

    You ship each order yourself. Referral fee applies to the item price plus any shipping you charge.

  • Referral fee

    max(R$1,74, sale total × referral %)

    15% in most categories. Some categories use other rates, such as 8% for consumer electronics.

Frequently asked questions

Is FBA or FBM more profitable?

It depends on size and weight. FBM often wins for heavy, slow or bulky items; FBA often wins for small, fast sellers, and it adds the Prime badge.

Should I count my time for FBM?

Yes. Put a labor cost per order, even if you pack orders yourself, so the comparison is fair.

Does the referral fee apply to shipping charges?

Yes. Amazon takes the referral fee on the total sales price, including shipping or gift wrap the buyer pays.

Related free tools

→Amazon FBA calculatorFBA fees and profit per unit.→Amazon FBM profit calculatorProfit per order when you ship it yourself.→Amazon storage fee calculatorMonthly and aged inventory fees.
Updated ·By the Deviantly data team

Sources: SellerSprite: Amazon referral fee calculator