Wrath
USA + UK fee estimator

Amazon FBA profit calculator for real fee and margin checks.

Use this Amazon FBA calculator to estimate referral fees, fulfilment fees, storage, ad spend, net profit, ROI, margin and break-even price before you commit to your next product. Switch between USA and UK rates, then use GoWrath to track what actually happens after the sale.

2 regions
USA and UK first
2026 rates
Source-backed tables
Live P&L
Margin, ROI, break-even
Verified 2026-06-27
Packaged size
Live estimate

$5.03 profit per unit

Based on Home and Kitchen, Large standard. Actual Seller Central payouts can vary by programme, placement, returns, VAT invoices and account-level fees.

Net profit
$5.03
Margin
20.15%
ROI
25.23%
Break-even price
$18.45
100 unit order profit
$503.45
Fee breakdown per unit
Referral fee
Home and Kitchen
$3.75
FBA fulfilment fee
Large standard
$4.75
Fuel / logistics surcharge
3.5% of fulfilment fee from 2026-04-17
$0.17
Storage estimate
0.0463 cubic ft for 1 month(s)
$0.04
Ads estimate
8% of selling price
$2.00
Landed cost
Product cost + inbound shipping + prep
$9.25
Total Amazon + selling costs
$10.71

This calculator uses versioned US and UK fee tables for fast product screening. UK VAT estimates assume standard-rate VAT, customer prices entered gross, and COGS entered on your chosen accounting basis. Check Amazon's Revenue Calculator before committing capital, then track actual fees, COGS, ads, storage, reimbursements and payouts in your P&L.

Need real P&L tracking?

A calculator shows one SKU. GoWrath tracks your actual P&L.

Model the product here, then use GoWrath to track the reality: Amazon fees, COGS, PPC, storage, payouts, reimbursements, supplier costs and every purchase order behind your margin.

What this Amazon FBA fee calculator includes

The calculator combines referral fees, FBA fulfilment fees, fuel or logistics surcharge, estimated storage, product cost, inbound shipping, prep costs and ad spend to estimate your net profit per unit, profit margin and ROI.

Why every FBA revenue calculator is an estimate

Amazon's own Revenue Calculator describes results as estimates. Actual costs can vary with programme eligibility, placement fees, returns, aged inventory, VAT or tax treatment, account settings and product classification.

From Amazon seller profit calculator to actual P&L

Use the estimate to screen a SKU. Use GoWrath to monitor actual Amazon fees, COGS, PPC, storage, reimbursements, supplier costs, payouts and purchase orders once inventory starts moving.

How to use this Amazon FBA profit calculator

Start with the product's expected selling price, category, landed cost, packaged dimensions and weight. Add ad spend and storage assumptions to turn a basic FBA fee calculator into a fuller Amazon profit calculator for margin and ROI decisions.

1. Enter price and costs

Add selling price, product cost, inbound shipping and prep so the calculator can estimate landed cost.

2. Choose the Amazon category

Referral fees vary by product category, so category selection matters for every Amazon seller profit calculator.

3. Add size, weight and storage

FBA fulfilment fees and storage estimates depend on packaged dimensions, weight and inventory holding time.

4. Read profit, margin and ROI

Use net profit, margin, ROI, break-even price and order profit to decide whether the SKU is worth buying.

FBA calculator FAQ

These answers cover the common searches behind Amazon FBA calculators, fee calculators, profit margin calculators and ROI calculators.

What is an Amazon FBA profit calculator?

An Amazon FBA profit calculator estimates net profit after product cost, inbound shipping, prep costs, referral fees, FBA fulfilment fees, storage, ad spend and other selling costs. GoWrath's calculator also shows margin, ROI, break-even price and order profit.

Is this also an Amazon FBA fee calculator?

Yes. The calculator breaks out referral fees, FBA fulfilment fees, fuel or logistics surcharges, storage estimates, ad spend and landed cost so sellers can understand the fee stack behind each product.

Can I use this as a UK FBA calculator and USA FBA calculator?

Yes. The calculator supports USA and UK marketplace inputs first, including each marketplace's currency, dimensions, weight units, fee tables and source links.

What is the difference between the calculator and GoWrath?

The calculator is for screening one product before buying inventory. GoWrath tracks actual Amazon seller profit after orders, COGS, PPC, storage, reimbursements, supplier costs, payouts and purchase decisions start flowing through the business.