Freight is the line most FBA sellers remember.
The number that actually moves after the container is booked is often somewhere else: the heading that set the duty, an import tax the broker billed three weeks later, or the units that never became sellable because of returns, removals, or a reimbursement you never applied.
Stay here for that residue.
The inbound formula and the Amazon fee stack are in how to calculate Amazon FBA landed cost.
The identities are on the landed cost formula.
Stay here when the shipment already has a freight quote and the question is duty, tax, HS codes, returns, and what finance should post to COGS.
If An Entry Or Return Made Last Inbound Look Optimistic
You send imported goods into FBA.
You have been surprised by an entry, a VAT bill, or a return rate that made last inbound's unit cost look optimistic.
You need those lines on the same PO as the freight.
If you only need "add freight and divide," use the how-to.
If you are choosing software, use Amazon FBA supply chain software.
Inventory Cost Vs The Sale Stack
Inbound landed cost ends when sellable stock is in the network.
Referral, fulfillment, storage, and ads sit in contribution.
Some teams fold fees into an "all-in" price check.
Fine for a go/no-go.
Do not let that combined figure replace the inventory record.
Landed cost vs COGS is the accounting split.
The short inbound reminder, then we leave the step-by-step alone:
u = (product + prep + inbound freight + insurance + duties and taxes that are a true cost + customs charges + receiving) ÷ sellable units
Sellable units, not the PO quantity.
A reimbursement or a supplier credit has to hit that same record or u stays wrong on purpose.
Generic rates you see quoted online (shipping as a quarter of product, duty at some round percentage, broker a few hundred dollars) are someone else's entry, not yours.
Use the quote and the tariff schedule.
Chargeable weight can make freight exceed the first estimate.
That is still a freight problem.
Stay here for the customs and returns problem.
SupplyAutomate holds the documents so a duty receipt that arrives after the units are already selling still finds the PO.
If you also stock Shopify, keep one inbound u and two channel views.
Shopify landed cost is the other storefront.
HS Codes And The Duty That Follows Them
Customs duty is V × r for the heading, origin, and valuation basis on the entry date.
The HS / HTS code is how the authority picks r.
Ask the factory for their suggested heading.
Do not file it blindly.
They describe what they sell.
Classification cares about material, use, and construction.
Keep the commercial invoice, packing list, bill of lading, and duty receipt on the shipment.
Organizing supplier invoices is the filing habit.
When the broker's entry disagrees with the factory's number, you need something to audit.
DDP does not mean duty is free.
It means someone else paid it and baked it into the quote.
You still need the breakdown for the books.
Worked Miss: 5% On The Sheet, 12% On The Entry
1,000 units.
Factory $5.00.
Product $5,000.
Freight and prep already on the PO: $2,200.
You accrued duty at 5% of $5,000 = $250.
Brokerage $160.
Sheet inbound: ($5,000 + $2,200 + $250 + $160) / 1,000 = $7.61.
The entry used a different heading.
Duty posts at 12% = $600.
Same brokerage.
Documents inbound: ($5,000 + $2,200 + $600 + $160) / 1,000 = $7.96.
Every unit is $0.35 light if you price off the sheet.
On a 1,000-unit cadence that is $350 you never put on the SKU, before Amazon fees.
Import duty from China is how to build the rate so this is not a surprise.
Confirm V (FOB vs CIF) before you argue about r.
Import Taxes, VAT, And What Is Recoverable
Duty is one import charge.
Processing, broker, port, trucking, and exams are others.
Import VAT or GST may be recoverable depending on the entity and the registration.
Recoverable tax is usually not product cost.
Ask the accountant in the market where you import.
Leaving recoverable VAT inside u inflates inventory and then COGS.
Puerto Rico and similar cases show up in seller folklore as "no duty, still tax."
Check the destination.
A zero duty line is not a zero tax line.
Currency conversion and letters of credit are finance costs.
They can belong in inbound overhead when they are the price of paying that supplier.
A range you saw in a roundup (0.5-2% FX, $100-$500 LC) is not your bank's fee.
Use the statement.
Returns, Removals, And Refunds That Change The Batch
Returns are usually a selling cost.
They still change whether last inbound's n was honest.
A returned unit may need inspection, a new polybag, a removal order, or disposal.
Amazon may refund the customer while you eat fulfillment and the unit.
Track a return reserve by SKU from your own history.
Until you have history, model a few rates.
Do not invent one precise percentage and call it research.
Removals and disposal are how aged FBA stock leaves.
Those fees are not inbound freight.
They belong in the profit model, and they can make a reorder look cheaper than holding the old lot.
Worked Miss: 40 Units That Never Sold
Same inbound as above, documents version $7,960 on 1,000 units (u = $7.96).
Forty units come back unsellable: damaged in the FC, incomplete, or removed and dumped.
You also receive a $180 Amazon reimbursement for lost units that you never apply to the PO.
If you ignore both: u stays $7.96 and you think the lot is clean.
If you reduce n to 960 and ignore the reimbursement: $7,960 / 960 = $8.29.
If you apply the $180 against the loss: ($7,960 − $180) / 960 = $8.10.
The reimbursement without the unit adjustment would understate cost.
The unit adjustment without the reimbursement would overstate it.
Link supplier shortage credits the same way.
Otherwise the next margin report argues with itself.
A landed cost per unit sheet is enough when this happens once.
Several SKUs and late credits is when the PO record has to hold them.
How This Hits Price And COGS
Price from inbound u plus the current Amazon fee stack, ads, and the return allowance.
A $30 list price is not $30 to work with.
Run it before production.
Keep two views:
- Inventory landed cost: what it took to get sellable stock into FBA, after duty and the sellable count.
- Contribution: price minus that
u, Amazon fees, ads, returns.
A SKU can have a fine u and a bad contribution because fulfillment or ads ate it.
Another can carry more duty and still work.
Update u by shipment.
A larger PO may cut the factory price and raise storage risk.
Weighted average only if that is the accounting policy.
A simple average of $8 and $10 hides the quantities.
If the updated u breaks the target, pause the reorder.
Test a heading review, a different origin, a pack-size change, or a higher price.
QuickBooks landed cost is how the same number gets posted so COGS follows the entry, not the factory invoice.
FAQ
What Is Landed Cost Amazon FBA?
The full inbound cost of one sellable unit from the supplier into Amazon's network, including duty and customs charges.
Selling fees are usually tracked beside it.
Returns and reimbursements change n and sometimes L.
They belong on the same record.
What Is The Formula For Landed Cost Per Unit?
Shipment inbound total divided by sellable units received.
If 960 units are sellable after inspection or unsellable returns, divide by 960, not 1,000.
Apply credits to that same total.
Does FBA Fulfillment Belong In Landed Cost?
Usually in contribution, not inventory.
Landed cost is the inbound.
Fulfillment, referral, storage, and return fees happen in the sales process.
Splitting them shows whether the miss started at the heading or at the listing.
How Do HS Codes Affect Amazon FBA Costs?
They set the duty treatment.
A wrong heading produces a wrong estimate, a delay, or a correction after you have already priced the SKU.
Confirm description, material, use, origin, and destination before you lock r.
Can Landed Cost Change After The Order Ships?
Yes.
Final freight, duty, exams, FX, and reimbursements arrive late.
Update the PO.
Leaving the first estimate in place is how $7.61 survives a $7.96 entry.
Should Advertising Be Included?
Usually no, not in inventory u.
PPC is a campaign number.
Keeping it out shows a sourcing problem versus an ads problem.
Use both before you approve the next inbound.
FBA landed cost has to survive the entry, the reimbursement, and the sellable count you have now, not the carton count on the packing list.
The landed cost calculator will rebuild the inbound stack.
If the heading is the unknown, use the import duty method before you argue with the broker.