HTS Code Lookup & HS Converter
Look up any US HTS code for duty rates and tariff flags — or convert a supplier's 6-digit HS code to its US 10-digit HTS equivalent.
About the HTS Code Lookup Tool
35,571 HTS Provisions
Covers the complete 2026 Harmonized Tariff Schedule of the United States, including all chapters, headings, subheadings, and statistical suffixes.
HS → HTS Converter
Enter a supplier's 6 or 8-digit HS code to find all matching US 10-digit HTS codes with duty rates. Includes HS chapter, heading, and subheading breakdown plus Schedule B reference.
Tariff Overlay Flags
Automatically shows Section 301 (China 7.5%–25%), IEEPA baseline duties, and antidumping / countervailing duty orders applicable to the code and country of origin.
What is an HTS code?
An HTS (Harmonized Tariff Schedule) code is the 10-digit number used by US Customs and Border Protection to classify every product imported into the United States. The code determines the applicable duty rate, any trade remedy treatment (Section 301, IEEPA, antidumping duties), and statistical reporting requirements. Every commercial import entry must include the correct 10-digit HTS code — an error can result in misdeclaration penalties.
HS codes vs. HTS codes — what's the difference?
An HS (Harmonized System) code is the international 6-digit standard used by over 200 countries to classify traded goods. The US extends this to a 10-digit HTS code for imports — the first 6 digits are identical to the HS code, while digits 7–10 are US-specific subdivisions that determine the precise duty rate. When a foreign supplier quotes a 6 or 8-digit code on an invoice, use the “Convert HS → HTS” tab above to find all matching US 10-digit codes.
HTS codes and Schedule B codes
Schedule B codes are 10-digit export classification codes maintained by the US Census Bureau — separate from HTS import codes but built on the same 6-digit HS subheading foundation. When you look up an HTS code on this page, the result shows the HS chapter, heading, and subheading breakdown. Use the 6-digit subheading to search for the corresponding Schedule B code at scheduleB.census.gov.
Don't know your HTS code?
If you have a product but don't know its correct HTS code, the lookup tool can't help directly — you need classification, not a lookup. TariffClassify's AI classifier analyzes your product description and photos, applies the General Rules of Interpretation (GRI), asks targeted clarifying questions, and returns the precise 10-digit HTS code with full reasoning and duty rate.
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