Free US import duty calculator

Enter an HTS code, origin and value. You get every duty layer and fee with its legal source and effective date.

Free: 5 calculations per day. Entries from today; US dollars only.

Need this in code, a spreadsheet or an AI agent? The same result (as JSON, with every citation) is on the DutyCite API and MCP server: $0.02 per calculation, prepaid packs from $5.90 incl. processing fee. Buy credits · Get a free trial key (10 calls) · API & MCP docs