Tariff Calculator

Import Duty Calculator

Lenzo's free US import duty calculator shows customs fees, taxes, and tariffs for imports from 195+ countries. Duty rates update daily from official sources — Federal Register notices, presidential proclamations, CBP guidance. Enter your HTS code and origin country to see what U.S. Customs will actually charge.

Full customs duty breakdown

The tariff calculator covers all 99 HTS chapters. Electronics, textiles, machinery, food products — doesn't matter. You get the complete picture:

• Section 301 China tariffs — 7.5% to 100% depending on product category, with current exclusions applied automatically.
• Section 232 steel and aluminum — 25% and 10% respectively. For derivative products, enter your declared metal percentage and the calculator adjusts.
• Reciprocal tariffs — country-specific rates that change frequently. The duty rate calculator pulls the latest published rates, not last month's.
• Trade agreement savings — USMCA, DR-CAFTA, KRFTA, GSP eligibility flagged automatically. Special Program Indicators (SPI) like "P" for DR-CAFTA or "S" for USMCA surface when your shipment qualifies. Duties can drop to 0%.
• All the fees — ad valorem, specific rates, compound rates, Merchandise Processing Fee, Harbor Maintenance Fee. The customs fees calculator shows each line item separately.

Country comparison

The import tariff calculator lets you check duty rates from alternative sourcing countries side by side. Same product from Vietnam versus China versus Mexico — see exactly how much you save by shifting suppliers. Useful for supply chain decisions when tariffs eat into margins.

Date-specific calculations

Duty rates aren't static. The tariff simulator adjusts for your entry date and loading date because rates change — sometimes week to week. A shipment clearing customs in March might pay different duties than the same goods in April. The calculator shows what applies to your actual timeline.

How HTS search works

This customs duty calculator uses official HTS classification language. Searching "laptop" won't return results — the Harmonized Tariff Schedule calls them "Automatic Data Processing Machines" under heading 8471. If you know your HTS code, enter it directly. If not, use the official terminology or browse by chapter.

Data sources

Every rate in this US customs duty calculator comes from government publications only. Federal Register, Executive Orders, CBP rulings. Nothing from press conferences, tweets, or news articles until it's officially published. When you see a rate here, it's what CBP will actually apply.

The import duty calculator automatically handles exclusions, special programs, and rate changes based on your inputs. Change the origin country, entry date, or HTS code — the calculation updates to reflect current regulations for that specific scenario.

Calculator applications

• Landed cost analysis — the DDP calculator shows total delivered cost including product value, freight, insurance, and all import duties and taxes.
• Compliance budgeting — know your duty exposure before goods ship. No surprises at the border.
• Supplier negotiations — factor true landed cost into sourcing decisions. A cheaper FOB price means nothing if duties wipe out the savings.
• Japan to US customs fees, China import duty, Mexico import duty, Canada to US duty, UK to US import tax — the calculator handles all major trade lanes into the United States.