
Free Tools
Built from the numbers we quote every week. Rates are inputs rather than constants, so these keep working when the rules change.
Why the rates are inputs
A calculator with this year's tariff written into it becomes a source of wrong numbers next year. Duty rates depend on the subheading you classify under, and origin-specific measures stack on top of the general rate by executive action, on timelines unrelated to the tariff schedule. These tools model the structure and leave the rates to you — pull them from the official source on the day you quote.
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