Section 301 Tariff Calculator: How to Screen China-Origin Goods
A Section 301 tariff calculator is only useful when the product, HTS code, and origin assumptions are clear. Treat the additional rate as a screening layer that needs documented review.
Estimate Section 301 exposure01
Screen in order
Start with a product-specific HTS code and avoid applying a China add-on rate from a broad product keyword alone.
Confirm origin using manufacturing facts, not only supplier location or port of loading.
Check whether the product has exclusions, special notes, or other trade-action layers before committing the rate to a quote.
02
Calculator record
Save the HTS code, origin, value, duty layers, calculation date, and source note with the quote.
When the additional rate materially affects margin, route the record to a broker before giving a firm landed-cost quote.
Next review step
Continue with product context
Estimates are for planning only. Confirm final classification and rates with a licensed customs broker or the relevant customs authority.
Estimate Section 301 exposure