Vanta#199Vectelos Duty computes US import duty for goods whose HTS code you already know.
Give it the code,the country of origin and the customs value (and a quantity where the rate is per unit), and itreturns the duty line by line: the published MFN rate plus every Chapter 99 remedy that stacks on it,including Section 301 and Section 232, and for a whole entry the Merchandise Processing Fee andHarbor Maintenance Fee. Every answer names the tariff schedule revision it was computed from.
https://mcp.vectelos.com/mcpNone in the store listings. The server needs sign-in, so we could not check it