United States Tariff 2026: Stay Compliant, Reduce Costs
A comprehensive guide to understanding United States Tariff rates, import duties, and classification rules to help you trade smarter and stay compliant.

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Types of Customs Duties
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Ad Valorem Duty
Specific Duty
Compound Duty
Anti-Dumping Duty
Countervailing Duty
United States Import Duties Overview
The United States utilizes the Harmonized Tariff Schedule (HTSUS) to determine duty rates based on product classification and country of origin. While many goods enter duty-free under Free Trade Agreements (FTAs) like USMCA, importers must navigate a complex landscape of base rates and potential punitive tariffs. Compliance requires precise valuation and classification to calculate the Merchandise Processing Fee (MPF) and other applicable surcharges correctly.
| Duty/Tax Type Name | Standard Rate or Rate Range |
|---|---|
| Ad Valorem Duty | 0% - 35% (varies by HS Code) |
| Specific Duty | Per unit (e.g., $/kg, $/liter) |
| Compound Duty | Ad Valorem + Specific Rate |
| Section 301 Tariffs | 7.5% - 25% (Specific Origins, e.g., China) |
| Antidumping/Countervailing (AD/CVD) | Varies (Case specific, can exceed 100%) |
| Federal Excise Tax | Varies (Alcohol, Tobacco, Fuel) |
| Merchandise Processing Fee (MPF) | 0.3464% (Formal Entry Min ~$31, Max ~$614) |
| Harbor Maintenance Fee (HMF) | 0.125% (Ocean freight only) |
Duty Types Breakdown
- Ad Valorem Duty: Calculated as a percentage of the commercial invoice value of the imported goods.
- Specific Duty: A flat rate charged per unit of quantity, such as weight or volume, regardless of monetary value.
- Compound Duty: A hybrid assessment combining both an ad valorem percentage and a specific rate on the same item.
- Section 301 Tariffs: Additional retaliatory duties, primarily affecting goods from China, ranging typically from 7.5% to 25%.
- Antidumping & Countervailing (AD/CVD): Special duties imposed to protect domestic industries from unfairly subsidized or priced foreign goods.
- Excise Tax: Specific taxes levied on certain commodities like tobacco, alcohol, and petroleum products to discourage consumption or fund related projects.
- Merchandise Processing Fee (MPF): An administrative fee assessed on formal and informal entries to cover Customs and Border Protection processing costs.
- Harbor Maintenance Fee (HMF): A fee of 0.125% applied specifically to goods imported via ocean ports to fund port maintenance.
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