US Tariff Calculator

Calculate the current total 2026 US import tariff on any product in one call. Stacked duty layers (MFN, Section 301/232), MPF/HMF, no HTS code required. Works without an API key.

US Tariff Calculator is a fast US tariff calculator: describe a product, get the current total duty rate. It runs on the maintained, source-backed GroundTruth data layer, so numbers reflect current 2026 stacked tariffs (MFN + Section 301/232 where applicable), MPF/HMF and full landed cost—no HTS code required.

Install

npm install us-tariff-calculator

Quick start

const { calculateTariff } = require('us-tariff-calculator');

const rate = await calculateTariff({ product: 'bluetooth speaker', origin: 'CN', value: 1000 });
console.log(rate);

Parameters

| Name | Type | Description | |---|---|---| | product | string | Plain-language product description. | | origin | string | Origin country code: CN, VN, IN, MX (or default). | | value | number | Declared value. | | mode | string | ocean (default) or air. | | freight | number | Optional freight, for a complete landed cost. | | brokerFee | number | Optional broker fee. |

What you get back

A source-backed result containing the stacked duty rate, duty amount, MPF/HMF, total landed cost, an as_of date and the official source URLs.

Free vs Enterprise

The public endpoint is keyless and rate-limited—perfect for evaluation and light use. For unlimited calls, done-for-you setup and rate-change alerts, see GroundTruth Enterprise:

https://dytsk9wrfv.page.coze.site/groundtruth.html

License

MIT