DutyCalc

Develop by US Tariff Rates

$49-$199

/ Month

Free plan available

Easily calculate and display US import duties at checkout.

About DutyCalc

Launched May 19, 2026

Built by US Tariff Rates

Address

1209 N Orange St, Wilmington, DE, 19801, US

Website Privacy policy

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Description

Show estimated US import duties at checkout. Covers 35,000+ tariff codes including Section 301, Sect

DutyCalc automatically calculates and displays estimated US import duties for your products at checkout, giving customers full duty transparency before they buy. Powered by the USTariffRates database covering 35,000+ HTS tariff codes with real-time rates. Shows base duty rates, Section 301 tariffs for China, Section 232 for steel and aluminum, reciprocal tariffs, and AD/CVD risk flags. Easy setup with HS code metafields and a clean checkout UI extension.

Instant duty rate lookups across 35,000+ HTS tariff codes
Full duty breakdown at checkout including base, Section 301, 232, and reciprocal
Simple setup with HS code metafields and a usage tracking dashboard