Every change to the tariff calculator: new HTS revisions, corrections and improvements.
From September 29, 2026, pharmaceutical articles and ingredients used solely in clinical trials, research and development or other non-commercial applications pay no Section 232 pharmaceutical duty. Inactive ingredients and excipients are no longer pharmaceutical articles, and unpatented animal health products count as generics.
Verified tariff data now covers entries from September 28, 2026 onward. From September 29, 2026, pharmaceuticals solely for clinical trials, research and development or other non-commercial use are exempt from the Section 232 pharmaceutical duty, and the list of covered products is updated.
From September 15, 2026, about 120 more Canadian products pay the additional 50%, including cheese, furniture and seats, lamps, aluminum and steel structures, boats and some cars. Products that also pay Section 232 duties now pay the 50% on top, except dairy products.
Verified tariff data now covers entries through September 27, 2026. From September 15, 2026, the 50% Section 338 duty on Canadian products covers more goods, including cheese, furniture, lamps, aluminum and steel structures and boats, and now applies on top of Section 232 duties except for dairy products.
From July 1, 2026, excluded Chinese pump casings, covers and small plastic pump parts, and the excluded plastic articles, are recognized under their new statistical reporting numbers.
From September 3, 2026, unmanned aircraft pay an additional 25%, or 100% with thermal imaging or in the largest classes, as do their docking stations and parts for large systems. Systems made substantially with U.S. or allied components pay 15% in total (Japan, Korea, Taiwan, Switzerland, Liechtenstein, EU) or an additional 10% (UK).
Verified tariff data now covers entries through September 14, 2026. From September 3, 2026, unmanned aircraft (drones), their docking stations and parts pay a new Section 232 duty of 25% or 100%, with lower rates for qualifying allied-made systems and exemptions for approved onshoring plans.
From August 22, 2026, about 550 listed products of Canada pay an additional 50% on top of other duties, including when entered under USMCA. Section 232 goods and certified civil aircraft parts are exempt.
Verified tariff data now covers entries through September 1, 2026. From August 22, 2026, listed products of Canada, including beer, wine and spirits, dairy, wood and paper products, pay an additional 50% Section 338 duty, even when claimed under USMCA.
From August 15, 2026, quartz countertops, slabs and other quartz surface products pay an additional 25% within the quarterly quota and 50% once it's filled, stepping down each year until August 2030. Products of Canada, Mexico, most free-trade partners, and listed developing and Caribbean countries are exempt.
Verified tariff data now covers entries through August 23, 2026. From August 15, 2026, quartz surface products (slabs, countertops, tiles and similar) pay a Section 201 safeguard duty of 25% within the quarterly quota and 50% above it, unless from an exempt country.
Verified tariff data now covers entries through August 13, 2026. Patented pharmaceuticals from the United Kingdom pay no additional Section 232 duty, back to July 31, 2026, unless an onshoring plan applies.
From July 31, 2026, patented pharmaceuticals and their ingredients in the listed provisions pay 100% in total, including the regular duty. Products of Japan, the EU, South Korea, Switzerland and Liechtenstein pay 15% in total and UK products no additional duty, while companies with an approved onshoring plan pay an additional 20%. Generics, non-pharmaceutical goods, certain specialty products and qualifying companies are exempt.
Verified tariff data now covers entries through August 2, 2026. From July 31, 2026, patented pharmaceuticals pay a new Section 232 duty of up to 100% including the regular duty, with lower rates for Japan, the EU, South Korea, Switzerland and Liechtenstein, no additional duty for the UK, and exemptions for generics and qualifying companies and products.
Goods from 59 countries and the EU now pay an additional 10% or 12.5% instead of Section 122's 10%, on top of other duties. EU and Taiwan goods pay at least 10% in total, and Japan, South Korea and Switzerland at least 12.5%, including the regular duty. Exemptions cover goods in transit, listed products, civil aircraft, pharmaceuticals, Section 232 goods, USMCA goods and some country-specific products.
Verified tariff data now covers entries through July 30, 2026. Section 122's 10% duty ended at the close of July 23, 2026, and from July 24 new Section 301 duties of 10% or 12.5% apply to goods from 59 countries and the EU. For the EU, Japan, South Korea, Switzerland and Taiwan, the rate is a total including the regular duty.
From July 22, 2026, most products of Brazil pay an additional 25% on top of the regular duty and any other additional duties. Goods loaded before July 22 and entered by July 28 are exempt, as are goods paying Section 232 duties, and listed products, civil aircraft parts and pharmaceuticals.
Verified tariff data now covers entries through July 27, 2026. From July 22, 2026, products of Brazil pay an additional 25% Section 301 duty, with exemptions for listed products, civil aircraft, pharmaceuticals, Section 232 goods, donations and informational materials.
Articles on the Section 232 metals lists that contain no aluminum, steel or copper, or whose metal is under 15% of their weight, now show the 10% Section 122 duty for entries from February 24 to July 23, 2026. They don't pay Section 232 metals duties, so the Section 122 exemption for Section 232 goods doesn't cover them.
Steel and aluminum articles under heading 9903.82.02 entered from June 8 to June 30, 2026 no longer show the 10% Section 122 duty. A technical correction in HTS Revision 11 restores their exemption back to April 6, 2026, so importers who paid it may be able to claim a refund.
Verified tariff data now covers entries through July 20, 2026. A technical correction restores the Section 122 exemption for steel and aluminum under heading 9903.82.02, including for entries from June 8, 2026.
From June 8, 2026, mobile industrial equipment pays 15% including the regular duty from partner countries such as Japan, Korea and the EU, and USMCA goods from Canada and Mexico pay 25% only on the value beyond their first 40% of U.S. content.
From June 8, 2026, steel, aluminum and copper parts used only to manufacture agricultural, industrial or mobile equipment pay 10% or 15% including the regular duty, instead of 25%.
Verified tariff data now covers entries through June 30, 2026. From June 8, 2026, Section 232 metals duties are restructured: many machinery and A/C parts move to the lower 10–15% rates, mobile equipment like forklifts and earthmovers gets its own treatment, and the U.S.-content threshold drops from 95% to 85%.
Upholstered wood furniture, kitchen cabinets and vanities from South Korea now pay 15% including the regular duty, matching Japan and the EU. Before, estimates added 15% on top of the regular duty.
From May 1, 2026, auto parts, upholstered wood furniture, kitchen cabinets and vanities from Taiwan pay 15% including the regular duty, instead of an extra 25%.
Verified tariff data now covers entries through June 7, 2026. From May 1, 2026, goods of Taiwan get the same deal rates as Japan, the EU and Korea: auto parts and wood furniture and cabinets are capped at 15% including the regular duty, and certified civil aircraft components are exempt from Section 232 metals duties.
Verified tariff data now covers entries through May 27, 2026. No Chapter 99 duty rates changed. Section 232 duties on medium- and heavy-duty vehicle parts can now be reduced by a manufacturer's offset approved by Commerce; estimates show the full rate.
Insulated copper wire and cable (8544.42, 8544.49) with at least 95% U.S.-smelted copper now pays 10% under 9903.82.06 instead of 25%, for entries back to April 6, 2026.
Verified tariff data now covers entries through May 21, 2026. Copper articles in U.S. note 16(c)(viii), such as insulated copper wire and cable, can now use the Section 232 no-metal exemption and the 10% rate for U.S.-smelted copper, back to April 6, 2026.
Goods of Canada and Mexico on codes that are free under the general rate can now be claimed under USMCA, so USMCA-based exemptions apply to them.
Verified tariff data now covers entries through April 28, 2026. Adds 9903.82.18 and 9903.82.19: a 25% Section 232 rate for Commerce-authorized steel and aluminum from Canada and Mexico entered under USMCA.
Steel, aluminum and copper duties are now dropped when an auto, auto part, medium- or heavy-duty vehicle, or semiconductor Section 232 duty applies (U.S. notes 33, 38 and 39). Wood and semiconductor non-stacking rules from the same notes are applied too.
55 HTS codes listed in U.S. note 16, mostly steel and aluminum cookware and kitchenware (7321–7326, 7615), were missing Section 232 duties. They're now included.
Some products could get two alternative metals headings at once, such as both the UK and U.S.-melted rates. Exactly one now applies, as U.S. note 16 requires.
Every estimate now explains why each duty applies or doesn't, cites its legal source, and uses the rules in effect on your entry date.