HTS Code Import Duty & Tariff Calculator
Calculate US import duties, Section 301 China trade war surcharges, Customs User Fees (MPF/HMF), and total landed costs under the Harmonized Tariff Schedule (HTSUS).
Tariff Classification (HTS)
Commercial Cargo Values
Declared commercial invoice value of the cargo.
Total Landed Cost Breakdown
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How it works
Search or select the 6-to-10 digit HTS code representing your product category.
Select the country of origin (China, standard MFN partner, or duty-free USMCA) and the shipping transit mode.
Enter your commercial FOB invoice value alongside international freight and insurance to compute total duty and landed cost.
Frequently asked questions
What is an HTS code and how does it determine import duties?
The Harmonized Tariff Schedule of the United States (HTSUS) is the 10-digit tariff classification system administered by the US International Trade Commission (USITC) and enforced by US Customs and Border Protection (CBP) to assess ad valorem or specific duties on foreign goods.
What are Section 301 tariffs on Chinese imports?
Section 301 tariffs are additional protective duties (typically 7.5% or 25%) levied on designated Chinese-origin products across Tranches 1 through 4B, applied on top of the standard general Column 1 duty rate.
What are MPF and HMF customs fees?
The Merchandise Processing Fee (MPF) is an ad valorem fee of 0.3464% collected by CBP on formal entries (capped between $31.67 and $614.35). The Harbor Maintenance Fee (HMF) is an additional 0.125% fee assessed exclusively on commercial ocean freight arriving at US ports.
Is this tool free?
Yes. The site is supported by ads, so you never pay or need to create an account.
Does it work on mobile?
Yes. The page adapts to your screen and does not require installing any app.