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HTS Code Lookup

Search 23,568 tariff codes instantly. Get duty rates with Section 301, 232, and reciprocal tariff overlays for any imported product.

What You Can Look Up

HTS Codes & Descriptions

Search by product name, keyword, or HTS number. Coverage includes all 23,568 leaf codes from the 2026 HTS Revision 3.

Base & Effective Duty Rates

See the MFN duty rate plus all applicable Chapter 99 tariff layers: Section 301 (China), Section 232 (steel/aluminum), reciprocal, and Section 122.

Special Program Eligibility

Check eligibility for preferential rates under USMCA, FTAs, GSP, and other special programs. See applicable SPI codes and requirements.

How to Look Up an HTS Code

1

Describe Your Product

Enter a product description, material, or HTS code number. Examples: "steel pipe", "cotton t-shirt", "7304.19", "lithium battery".

2

Review Classification Results

Get matching HTS codes with descriptions, duty rates, and confidence scores. See the full tariff breakdown including base rate plus any additional tariff layers.

3

Calculate Total Duty

Enter your shipment value and country of origin to calculate total duties including MPF (Merchandise Processing Fee) and HMF (Harbor Maintenance Fee).

Comprehensive HTS Coverage

23,568
Tariff Codes
701
Chapter 99 Provisions
199,681
CBP Rulings
2026 Rev 3
Latest HTS Data

Understanding US Import Tariffs in 2026

Multiple tariff layers can apply to a single HTS code. Our calculator stacks all applicable rates automatically.

Base MFN Duty Rate

The standard Most Favored Nation duty rate applied to imports from most countries. Ranges from Free to 50%+ depending on the product.

Section 301 Tariffs (China)

Additional tariffs on Chinese goods ranging from 7.5% to 100%, covering Lists 1-4 plus 2024 increases on EVs, semiconductors, steel, and more.

Section 232 Tariffs (Steel & Aluminum)

50% on steel (Ch. 72-73) and 50% on aluminum (Ch. 76) from most countries. Country-specific rates for UK (25%), Canada aluminum (10%), and others.

Section 122 Tariffs (2026)

10% additional duty on most imports effective February 24, 2026, following the IEEPA Supreme Court ruling. USMCA-qualifying goods from Canada and Mexico are exempt.

Frequently Asked Questions

What is an HTS code?

An HTS (Harmonized Tariff Schedule) code is a 10-digit classification number used by U.S. Customs and Border Protection to determine duty rates on imported goods. The first 6 digits follow the international Harmonized System (HS), while digits 7-10 are U.S.-specific.

How do I find the correct HTS code for my product?

Identify your product's material composition, function, and intended use. Review the General Rules of Interpretation (GRI). Search the HTS schedule by chapter and heading. Check Section and Chapter notes for exclusions. Use our AI classification tool for instant suggestions with confidence scores.

What duty rate applies to my HTS code?

The total duty rate depends on the base MFN rate plus any additional tariff layers: Section 301 (China goods), Section 232 (steel/aluminum), reciprocal tariffs, and Section 122 tariffs. Use our tariff calculator to compute the total effective rate including all overlapping tariffs.

How many HTS codes are there?

The 2026 Harmonized Tariff Schedule (Revision 3) contains approximately 23,568 leaf-level tariff codes across 99 chapters. Chapter 99 contains an additional 701 special tariff provisions for Section 301, 232, and reciprocal tariffs.