Upload your commercial invoice and get an instant breakdown of estimated duties, Section 301 tariffs, MPF, HMF, and total landed cost — before your shipment ships.
Calculate My Import Duties Free →When goods enter the United States, U.S. Customs and Border Protection (CBP) assesses duties based on the Harmonized Tariff Schedule of the United States (HTSUS). The duty rate depends on the product's 10-digit HTS code, the country of origin, and the customs value of the shipment.
Most importers are surprised to discover that the final amount owed to CBP includes several components beyond the basic duty rate — including federal fees that apply to nearly every commercial shipment.
The base duty rate set by the HTSUS for your specific 10-digit HTS code. Rates vary widely by product category — electronics are often 0-3%, while apparel can be 12-37.5%.
Additional tariffs on goods of Chinese origin under Section 301 of the Trade Act. Added on top of the general duty rate for thousands of HTS codes covering goods imported from China.
A federal fee applied to most formal entries. Calculated at 0.3464% of the customs value, with a minimum of $31.67 and a maximum of $614.35 per entry.
Applies to ocean shipments only. Calculated at 0.125% of the cargo value. Does not apply to air freight shipments or goods entering through land ports.
Here's an example of how duties are calculated for a shipment of industrial electric motors (HTS 8501.52) imported from Germany with a customs value of $7,400:
| Component | Rate | Amount |
|---|---|---|
| Customs Value (CIF) | — | $7,400.00 |
| General Duty (HTS 8501.52) | 2.8% | $207.20 |
| Section 301 Tariff | 0% (Germany) | $0.00 |
| Merchandise Processing Fee | 0.3464% | $31.67 (min) |
| Harbor Maintenance Fee | 0.125% | $9.25 |
| Total Duties & Fees | — | $248.12 |
| Estimated Landed Cost | — | $7,648.12 |
Note: This example uses Germany as country of origin, so no Section 301 tariffs apply. For goods from China, additional tariffs of 7.5%-25% would be added to the calculation depending on the HTS code.
Instead of manually looking up HTS codes and calculating each fee component, CustomsValidator reads your commercial invoice and does it all automatically.
Upload your Commercial Invoice as a PDF, PNG, or JPG. Our system reads every line item automatically.
Advanced AI validates your HTS codes, identifies the correct duty rates, and checks for Section 301 applicability.
Receive a complete landed cost estimate including general duties, Section 301, MPF, HMF, and total cost.
Upload your commercial invoice and get a complete duty breakdown in seconds — including HTS validation, Section 301 check, MPF, HMF, and total landed cost.
Calculate My Import Duties Free →More Free Import Compliance Tools: Looking for more free import compliance tools? Our free HTS code checker validates your HTSUS classifications, our free landed cost estimator calculates total import costs, and our free invoice validator checks your commercial invoice for CBP compliance issues.