Seven questions to check your U.S. tariff exposure (2026)
What is the exact 10-digit HTS code?
Classification drives everything else: the base duty, which extra tariffs apply, and whether an antidumping order may cover the product. Two similar products can sit under different codes with very different duty, so check the full 10-digit code, not just the chapter or heading.
Search HTS codes: tariffrx.com/hts
What is the country of origin?
Origin is where the goods were made or substantially transformed, not the country they shipped from. Shipping through a third country does not change the origin, and the duty can differ a lot from one origin to another.
Compare origins in the calculator: tariffrx.com/calculator
Which extra tariffs stack on that code and origin?
On top of the base duty, several tariffs can apply at once: China Section 301, the forced-labor Section 301 tariff, Section 232 tariffs on certain sectors (such as autos and auto parts, trucks and wood products) and on steel, aluminum and copper products, and Section 338 on products of Canada, which applies even to goods that qualify under USMCA. The calculator stacks every layer that applies to your code and origin and shows each one separately.
See every duty layer: tariffrx.com/calculator
Could an antidumping or countervailing duty order apply?
AD/CVD orders cover specific products from specific countries, and cash deposits depend on the producer and can exceed 100%. TariffRx flags orders that may cover a code on its HTS code page but does not add them to the total. Whether your goods are covered depends on the order's written scope, so check it with a customs broker.
Example: AD/CVD flags on 9404.21.00: tariffrx.com/hts/9404.21.00#adcvd
Do your goods qualify for a trade agreement, and do you have the records?
USMCA, CAFTA-DR and other agreements can lower or remove the base duty, but only for goods that meet the agreement's origin rules. A claim needs origin evidence you can show if CBP asks, and some extra tariffs still apply to qualifying goods.
Check agreements and savings: tariffrx.com/savings
What is your full landed cost?
Duty is only part of the cost. Add the Merchandise Processing Fee, the Harbor Maintenance Fee, freight and insurance, then divide by the number of units to compare suppliers on cost per unit delivered, not unit price.
Calculate landed cost: tariffrx.com/calculator
What is scheduled to change, and when does it take effect?
Tariff news and tariff effective dates are often weeks apart. Plan around the effective date in the official notice, and keep watching the codes you import so a change doesn't reach you with the invoice.
See tariff updates Free tariff-change alerts (sign up on any code page)Track products in your dashboardSee tariff updates: tariffrx.com/updatesFree tariff-change alerts (sign up on any code page): tariffrx.com/htsTrack products in your dashboard: tariffrx.com/dashboard
Could you pay less?
Duty drawback, foreign-trade zones, first-sale valuation and Chapter 98 (U.S. content) can lower the duty on some imports. The savings finder checks which may fit your code and how you import.
Open the duty savings finderOpen the duty savings finder: tariffrx.com/savings
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This is a planning checklist, not legal or customs advice. Confirm classification and eligibility with a licensed customs broker. Customs brokers: see our partner programCustoms brokers: tariffrx.com/partners
From tariffrx.com/checklist