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Show estimated US import duties at checkout. Covers 35,000+ tariff codes including Section 301, Section 232, and reciprocal tariffs.
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About the DutyCalc
DutyCalc automatically calculates and displays estimated US import duties for your products at checkout, giving customers complete transparency before they purchase. The app uses the USTariffRates database covering over 35,000 HTS tariff codes with current rates. It shows base duty rates, Section 301 tariffs for China, Section 232 for steel and aluminum, reciprocal tariffs, and AD/CVD risk flags. Setup is straightforward with HS code metafields and includes a clean checkout UI extension. Customers see instant duty rate lookups and full duty breakdowns at checkout.