Learning Center
Tariff Guides & Glossary
Everything you need to understand U.S. tariff policy, HS code classification, and import duty calculations.
Glossary
Key terms in tariffs, trade policy, and customs compliance.
Browse HTS Codes
Search and explore all 29,794 HTS product codes.
Glossary
View all →HS Code (Harmonized System Code)
Learn what HS codes are, how they work, and why they matter for import/export classification.
Landed Cost
What is landed cost? Learn how to calculate the total cost of importing products including duties and fees.
Reciprocal Tariffs
Understanding reciprocal tariffs: the 2025 framework, affected countries, and how rates are determined.
Section 301 Tariffs
Understanding Section 301 tariffs: how they work, current rates, and impact on U.S. imports.