US Harmonized Tariff Schedule

Search the official US HTS database to find commodity codes, duty rates, and import classifications for goods entering the United States.

You can search for your goods usingan HTS code, the product description

or a combination of these

Understanding US Tariff Structure

The Harmonized Tariff Schedule provides standardized classifications and duty rates for all merchandise imported into the United States.

HTS Classification

10-digit codes that precisely identify products for customs and statistical purposes.

General Rates

Most Favored Nation (MFN) duty rates applicable to imports from countries with normal trade relations.

Special Programs

Preferential rates available through Free Trade Agreements, GSP, and other special trade programs.

Duty Types

Ad valorem (percentage), specific (per unit), or compound duty rates depending on the product classification.

Tip: Enter an 8 or 10 digit HTS code (numbers only) to jump to a heading/subheading, or type words to search descriptions. Description searches expand all related codes; exact 8‑digit code shows all its 10‑digit children. Clear the box to reset.

CodeDescriptionGeneralSpecialOtherUnits
8403.90.0000
Parts
Free
-
45%
kg
8404.10.00
Auxiliary plant for use with boilers of heading 8402 or 8403
3.5%
Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
45%
-
8404.10.0010
Economizers
-
-
-
t
8404.10.0050
Other
-
-
-
t
8404.20.0000
Condensers for steam or other vapor power units
5%
Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
45%
t
8404.90.0000
Parts
3.5%
Free (A*,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
45%
kg
8405.10.0000
Producer gas or water gas generators, with or without their purifiers; acetylene gas generators and similar water process gas generators, with or without their purifiers
Free
-
45%
No.
8405.90.0000
Parts
Free
-
45%
kg
8406.10.1000
Steam turbines
6.7%
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
20%
No.
8406.10.9000
Other
Free
-
27.5%
No.
8406.81.10
Steam turbines
6.7%
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG) 3.35% (JP)
20%
-
8406.81.1020
Stationary steam turbines, condensing type
-
-
-
No.
8406.81.1070
Other
-
-
-
No.
8406.81.9000
Other
Free
-
27.5%
No.
8406.82.10
Steam turbines
6.7%
Free (A,AU,BH,CL,CO,D,E,IL,JO,KR,MA,OM,P,PA,PE,S,SG)
20%
-
Showing 17656 to 17670 of 27000 results

Frequently Asked Questions

Get answers to common questions about US Harmonized Tariff Schedule

What is the Harmonized Tariff Schedule (HTS)?

The Harmonized Tariff Schedule of the United States (HTS) sets out the tariff rates and statistical categories for all merchandise imported into the US.

  • It's based on the international Harmonized Commodity Description and Coding System
  • Used by US Customs and Border Protection for classification and duty assessment
  • Contains over 14,000 different commodity classifications

What are the different duty rate columns?

The HTS displays three types of duty rates:

  • General: Most Favored Nation (MFN) rates for countries with normal trade relations
  • Special: Preferential rates available through Free Trade Agreements and special programs
  • Other: Higher rates applied to imports from non-MFN countries

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