Calculate US Import
Duties in Seconds
Full tariff layer decomposition with broker-grade detail. Free, no signup required.
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Recent Regulatory Changes
Tariff Calculator
Monitoring 22 regulatory data sources · Last scan May 13, 2026 at 12:05 PM ET
Inputs
Results
Enter an HTS code to calculate duties
This calculator provides estimates for general informational purposes only and does not constitute legal, tax, or customs brokerage advice. Duty rates, trade remedies, and customs regulations are subject to change without notice. If you are an importer or shipper, consult a licensed customs broker or freight forwarder before making entry decisions. We do not accept liability for any actions taken based on information provided by this tool.
Plug our duty engine into your systems
The same engine powering this calculator is available as an API. Tariff rates, AD/CVD deposits, material splits, regulatory citations — one call, structured JSON back.
Tandom for Customs Brokers
Way more than a calculator
A suite of tools to power your entire brokerage workflow — from document intake to filing-ready entries.
File with confidence
Automated cross-checks. Audit-ready documentation.
2.5 hours → 15 minutes
From uploaded PDF to populated entry form.
Every document, reconciled
Every mismatch caught before you file.
No deadline slips through
Every deadline tracked before it costs you.
Always current
42 agents monitoring every regulatory source.
Product
Cold-rolled steel coil, 0.5mm thickness,
carbon steel, from China
Analyzing product description…
Classification
7209.17.00.91
Flat-rolled iron/steel, cold-rolled, width ≥600mm, thickness 0.5–1mm
GRI Reasoning
What's inside
Purpose-built tools for every step of the entry process.
Intelligent HTS Classification
GRI reasoning chain
Automated ISF Generation
10+2 auto-populated
Entry Form Preparation
3461 & 7501 with duty breakdown
Document Intelligence
12+ doc types extracted
Cross-Document Reconciliation
20+ automated checks
Compliance Workflows
Deadlines, filing readiness, reasonable care
Built for Customs…
Connects to your systems
Prepares filing-ready data for your ABI software. Fits into your existing entry workflow.
Knows the regulations
HTS classification, AD/CVD orders, trade programs, PGA requirements — all built in.
Verify before you file
Every calculation backed by regulatory citations. Review the reasoning, not just the number.
…by founders from logistics and enterprise tech
Backed by leaders from:
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The whole suite, one sign-in
Duty calculator, AD/CVD intelligence, HTS classifier, regulatory data, broker workspace, document intelligence, customs filing builder — every Tandom tool, on one account.
API access, free tier
Generate keys for every Tandom engine and drop them into your TMS, broker software, or AI agent. The MCP server uses the same key.
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