Container ship carrying goods whose U.S. import duty can be estimated by HTS code
U.S. import duty planning

U.S. Tariff Calculator for Importers

Estimate MFN, Section 122, Section 232, and applicable tariff layers by HTS code, origin, and customs value.

SearchHTS reference data
EstimateLayered import duties
ReviewSingle or batch entries
UnderstandExplainable results
From product to estimate

Model U.S. tariff exposure with the facts that drive duty.

Use the calculator for early planning and opportunity screening, then verify current rules and product facts before making a customs decision.

01

Identify the Product

Start with a product description or HTS code and the relevant entry date.

02

Add Origin and Value

Enter country of origin, customs value, and the product or material details that affect treatment.

03

Review Every Layer

See the base rate, special tariffs, calculated amounts, rule flags, and assumptions.

Tariff Simulator

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Advanced Loading date, Section 232 metal fields, Chapter 99 codes, and SPI options

Upload HTS rows

Upload or paste CSV rows with HTS, origin, value, quantity, treatment, and Section 232 fields.

Advanced fields are normalized into TariffBoost Section 122, Section 232, and MFN logic.

Batch helper

Paste rows once, then calculate Section 122, Section 232, and MFN outputs for every line.


    
Import duty questions

How to use the U.S. tariff calculator

Use the result for planning and screening, then verify the facts and current rules before making a customs decision.

What information is needed to calculate U.S. import duty?

Start with the HTS code, country of origin, customs value, and entry date. Special tariffs may also require Chapter 99 codes, material content, loading date, or program indicators.

Does the calculator determine the correct HTS code?

No. It can search reference data and calculate from the selected code, but final classification requires complete product facts and professional verification.

Are calculator results a final customs determination?

No. Results are planning estimates. Verify current HTS rates, special tariff scope, exclusions, origin treatment, and entry facts using official sources and qualified customs professionals.

Official references

Confirm current U.S. tariff treatment.

The U.S. Harmonized Tariff Schedule is the primary rate reference. CBP guidance and Federal Register actions may also affect treatment.

Search the current U.S. HTS CBP rulings and legal decisions Review HTS classification discrepancies
AI tariff intelligence

Move beyond a single import duty estimate.

TariffBoost can turn calculator inputs into a prioritized tariff savings and compliance workflow across your complete import population.

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TariffBoost U.S. tariff calculator results