Every fee. One number.

Profit math,
lightly done.

See the profit you actually keep before you source inventory. Profitlee combines product cost, seller fees, fulfillment, taxes, ads, and returns into one clear margin.

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2
Platforms
4
Marketplaces
Free
To start
RegionUS
ModeFBA
Dimensions17 × 13 × 4 in
Weight1.4 lb
FOB cost$3.20
Sell price$24.99
= $88.51
My Precious · US❤️ Healthy
Net profit / unit
$88.5131% margin
Landed COGS$5.26
FBA fee$8.37
Referral 15%$3.75
Storage 1mo$0.40
Save scenario
$
My Precious — US Q4
FBA·Locked in 🎯
Net profit / unit$88.51
NewProfitlee is now available as an MCP server — use it from Claude, Cursor, and other AI agents.

Popular calculators

Start with the marketplace you sell on.

Open the free calculator

Profit Margin Calculator

Estimate ecommerce net margin after fees, fulfillment, duty, tax, PPC, and returns.

Amazon FBA Calculator

Model FBA referral fees, fulfillment, storage, inbound costs, PPC, and return loss.

Amazon FBM Calculator

Check merchant-fulfilled profit after referral fees, shipping, ads, taxes, and returns.

TikTok Shop Calculator

Estimate TikTok Shop profit for FBT and self-fulfilled orders.

Built for sellers who want numbers they can decide on.

Cost-stack card showing referral, FBA, storage, duty, VAT, and all-in total.
Country-accurate

Every fee, duty & tax — modeled per marketplace

See referral, fulfillment, storage, duty, and tax land in one all-in cost stack before you touch inventory.

Platform switcher with Amazon and TikTok Shop cost columns.
One workflow

Amazon and TikTok Shop, side by side

Flip between channels and fulfillment modes without rebuilding the math in a separate spreadsheet.

Large net profit figure with PPC and return deduction chips.
The real number

Your true net — after PPC and returns

ACoS and return loss fold into the margin, so the number you see is closer to the number you keep.

Three KPI tiles showing revenue, gross, and net monthly profit.
Zoom out

One unit scales to a monthly P&L — instantly

Turn per-unit economics into revenue, gross, and net projections the moment volume changes.

Frequently asked questions

Yes — the calculator is free forever, no sign-up and no card. A Pro plan adds saved scenarios, side-by-side comparison, and PDF / Word / HTML export.

Amazon FBA and FBM in the US, Germany, and Japan, plus TikTok Shop US (Fulfilled by TikTok and self-fulfilled).

Every fee is modeled from each platform's official published rate cards — referral, fulfillment, storage seasonality, inbound placement — plus import duty and VAT/consumption tax. Sources are listed on the Resources page and cited in every export. Always verify against your marketplace's current schedule before committing inventory.

Yes. EU MFN duty + 19% German VAT, US Section 301, and Japan MFN + 10% consumption tax are modeled, not guessed.

Yes. Your advertising spend (ACoS) and return rate fold into a single net-after-marketing figure, so the number you see is the number you keep.

Not to calculate — that's free and anonymous. An account unlocks the Pro features: saved scenarios, comparison, 30-day history, an API token, and PDF / Word / HTML export.

Stop guessing your margin.

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