Rex says
Money math without the spreadsheet headache. Plug in your numbers and I'll show you exactly where the dollars land.
Try a scenario
Click to load — tweak from there.Inputs
Result
Landed cost per unit
$5.78
Markup over FOB price
37.6%
Total duty owed
$1,008
Total freight + duty + fees
$3,158
Total declared goods value
$8,400
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How to use this
- 1Enter fob unit price ($).
- 2Enter units in shipment.
- 3Enter total freight cost ($).
- 4Enter duty rate (%).
- 5Enter customs & brokerage fees (flat) ($).
- 6Read your landed cost per unit on the right — it updates as you type.
- 7Hit Share to keep the scenario or send it to someone.
About this calculator
Your factory quote is never your real per-unit cost. Ocean or air freight, customs duty based on HTS classification, merchandise processing fees, customs broker fees, and any inland trucking all add to the FOB unit price before the product reaches your warehouse. Importers who price off the factory quote alone routinely discover 20-40% higher true costs once freight and duty land. This calculator takes your FOB unit price, total shipment freight cost, duty rate, and fixed customs/brokerage fees, then divides everything across your order quantity to produce a true landed cost per unit. Enter FOB unit price, total units in the shipment, total freight cost for the whole shipment, duty rate as a percentage of value, and flat customs/brokerage fees. The output shows landed cost per unit and the percentage markup over FOB price, which tells you immediately whether a supplier's 'cheap' unit price still makes sense once shipping and duty are added, especially relevant when comparing air freight speed against ocean freight cost savings.
Worked example
Using the values the calculator loads with:
Inputs
- FOB unit price: 4.2 $
- Units in shipment: 2000
- Total freight cost: 1800 $
- Duty rate: 12 %
- Customs & brokerage fees (flat): 350 $
Results
- Landed cost per unit: $5.78
- Markup over FOB price: 37.6%
- Total duty owed: $1,008
- Total freight + duty + fees: $3,158
- Total declared goods value: $8,400
What each field means
Inputs
- FOB unit price ($)
- The fob unit price used in the calculation, measured in $. Starts at 4.2 $ so you have a working example on load.
- Units in shipment
- The units in shipment used in the calculation. Starts at 2000 so you have a working example on load.
- Total freight cost ($)
- The total freight cost used in the calculation, measured in $. Starts at 1800 $ so you have a working example on load.
- Duty rate (%)
- The duty rate used in the calculation, measured in %. Starts at 12 % so you have a working example on load. Accepted range: 0–100 %.
- Customs & brokerage fees (flat) ($)
- The customs & brokerage fees (flat) used in the calculation, measured in $. Starts at 350 $ so you have a working example on load.
Results
- Landed cost per unit
- Returned as a money amount in US dollars and shown as the headline result. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Markup over FOB price
- Returned as a percentage. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total duty owed
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total freight + duty + fees
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
- Total declared goods value
- Returned as a money amount in US dollars. It recalculates instantly whenever you change an input, so you can compare scenarios without reloading.
FAQ
What's typically missing from a landed cost estimate?
Inland trucking on both ends, warehouse receiving labor, insurance on the shipment, and currency conversion spread are the most commonly forgotten costs. For a first shipment, add a 5-8% buffer on top of this calculation until you know your actual all-in cost.
How do I find my duty rate?
Look up your product's HTS (Harmonized Tariff Schedule) code on the USITC website or ask your customs broker to classify it. Duty rates vary widely by product category, from 0% on some goods to over 25% on others, and misclassification can trigger penalties.
Should I use air or ocean freight?
Ocean freight costs far less per unit for large shipments but takes 25-40 days versus 5-10 for air. Run this calculator with both freight costs to see the per-unit cost difference, then weigh it against how much a 3-4 week delay costs you in stockouts or cash flow.
Are there extra tariffs beyond standard duty?
Yes, Section 301 tariffs on many China-origin goods can add anywhere from 7.5% to 25% on top of standard duty rates. Confirm with your broker whether your HTS code carries an active Section 301 tariff before finalizing pricing.
Accuracy and limitations
- Results are estimates before tax, fees, and inflation unless an input explicitly covers them.
- Rates are treated as fixed for the whole period — variable-rate products will drift from this projection.
- This is educational maths, not financial advice. Check anything contractual with the lender or your accountant.
Related tools
Cite this calculator
Writing about this topic? Grab a citation — every link helps keep these tools free.
RevenueLab. (2026). Landed Cost Calculator (China Import). Retrieved from https://www.revenuelab.fyi/toolbox/landed-cost-china
<p>Source: <a href="https://www.revenuelab.fyi/toolbox/landed-cost-china" target="_blank" rel="noopener">Landed Cost Calculator (China Import) — RevenueLab</a> (2026).</p>
Source: [Landed Cost Calculator (China Import) — RevenueLab](https://www.revenuelab.fyi/toolbox/landed-cost-china) (2026).