LandedCost Studio — Free Interactive In-Browser Studio
Multi-SKU Commercial Invoice & Freight Input (CSV / TSV)
Per-Unit True Landed Cost (DDP), Tariff Waterfall & Net Margin Audit
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Supports CSV, JSON, TXT, XML & Log Streams
📊 Step 4 · Processed Output
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Quick Reference & Frequently Asked Questions
How do I calculate true landed cost per unit across multiple SKUs in one container?
True landed cost per unit equals FOB Unit Cost + CBM-Prorated Freight per Unit + (FOB × Combined HTS & Section 301 Duty Rate) + FOB-Prorated Customs Brokerage, MPF (0.3464%), and HMF (0.125%). LandedCost Studio computes this automatically for every SKU.
Should ocean freight be allocated by unit count, FOB value, or CBM volume?
Ocean container freight (FCL and LCL) is billed by volume displacement (Cubic Meters / CBM), while customs duties and MPF/HMF are billed by FOB value. Allocating freight by unit count distorts margins on bulky items.
How are US Customs MPF and HMF fees calculated on commercial imports?
For formal entries (over $2,500), CBP charges a Merchandise Processing Fee (MPF) of 0.3464% of FOB value (minimum $31.67, maximum $614.35) plus a 0.125% Harbor Maintenance Fee (HMF) for ocean shipments.
Does Section 301 tariff stack on top of regular HTS import duty?
Yes. If a product has a 5.3% base MFN HTS duty rate and falls under a 25% Section 301 tariff list, the combined ad valorem duty applied to the FOB customs value is 30.3%.