import-duty-calculator

Import Duty Calculator

Estimate US import duty on a product from any origin. Returns the stacked 2026 duty rate and amount with sources and an as-of date. Keyless, no HTS lookup required.

Import Duty Calculator is a simple import-duty estimate for any product and origin country. 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 import-duty-calculator

Quick start

const { calculateImportDuty } = require('import-duty-calculator');

const imp = await calculateImportDuty({ product: 'leather handbag', origin: 'CN', value: 800 });
console.log(imp);

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