US tariff data as of 2026-10-09Tariffs dataset 1.0.0Entry dates 2025-01-01 to 2026-10-09
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Duty Calculator · dataset 1.0.0

US duty calculator

The US duty on an HTS line: base rate plus every Chapter 99 line (Sections 301 and 232, IEEPA, Section 122 and others) that applies on the entry date, the duty in dollars, the lines considered and not applied, and a citation for each line.

The same engine as the API. 10 free calculations a day without signing up.

One line

Dataset 1.0.0

The code on your entry summary or from your broker. We do not classify goods.

Type a country name, in English or French, or its code, then pick it from the list

Your API key (optional)

Without a key: 10 free calculations a day per IP address, for any HTS code, origin and entry date from 2025-01-01 to 2026-10-09. With your free API key: as many as your plan allows. The key is used for this calculation only: it is not stored, and it is never put in the page address. Get a free key.

Scope

We do not classify goods. These pages show reference rates for HTS codes. Choosing the code for an entry is the importer's responsibility, and entries are filed by the importer of record or a licensed customs broker. Duties shown are calculations from public sources, not legal advice.

Recorded answer of the real API on the current data for this sample.

HTS 6112.19.40.50 from CN, entered 2025-08-20

Total duty41%= $4,100.00 on $10,000.00

Not included
  • Merchandise processing fee (MPF) and harbor maintenance fee (HMF)
  • Antidumping and countervailing duties
  • Duties on a specific (per unit) basis, which need the quantity
Duty stack, line by line
LineRateRunning totalDuty
Base rate column 1 General3.5%3.5%$350.00
9903.01.24 IEEPA+20%23.5%$2,000.00
9903.01.25 IEEPA+10%33.5%$1,000.00
9903.88.15 Section 301+7.5%41%$750.00
Total duty41%$4,100.00

Press Calculate duty to see the Chapter 99 lines with their sources, the lines considered and not applied, and the same request by API.

Compare origins

The same HTS code and entry date from several countries of origin, side by side.

  • China (CN)
  • Vietnam (VN)
  • India (IN)
  • Mexico (MX)
  • Bangladesh (BD)
  • Germany (DE)

Type a country name, in English or French, or its code, then pick it to add it. Up to 20.

Your API key (optional)

Without a key: a comparison is one of the 10 free calculations a day. With your key: any code, origins and date in the coverage (10 units per origin). The key is not stored.

By API

The calculator calls POST /v1/tariffs/duty-stack and POST /v1/tariffs/compare-origins; batches of up to 200 lines go to POST /v1/tariffs/duty-stack/batch. See the Duty Stack API. Bulk upload of a CSV in this page is coming soon.

Not included

The full duty owed can include more than this calculator shows. Not included: merchandise processing and harbor maintenance fees, antidumping and countervailing duties, and duties on a per-unit basis (they need the quantity). Data 1.0.0, entry dates 2025-01-01 to 2026-10-09.