Customs Calculators
Free calculators and generators for HS code candidates, import duty, landed cost, DDP cost planning, Incoterms, invoices, and postal customs forms.
Start with HS code and origin, then move to customs value, additional tariffs, and total import cost. Each calculator uses manual rate inputs so every estimate can be verified against official sources.
Search the active US schedule, find candidates, validate structure, and prepare cross-market conversions.
US HTS Lookup
Search the active USITC HTS revision by HTS number or factual product wording; review the complete official entry before filing.
Free + workspaceHTS Revision Checker
Validate exact codes against the active USITC revision; paid workspaces can save versioned catalog baselines, recheck future revisions, and export changed rows.
ToolHS Code Finder
Find candidate HS codes with confidence, verification questions, and invoice-ready descriptions.
ToolHS Code Validator
Check whether an HS code is structurally valid, complete, and ready for official lookup.
ToolHS Code Converter
Break down HS / HTS / TARIC / CN-style codes and prepare manual cross-market conversions.
ToolCSV Catalog Checker
Scan Shopify, WooCommerce, Amazon, or custom CSV exports for missing HS code and country of origin fields.
Free toolAmazon FBA CSV Review
Review Amazon CSV rows for missing origin, HS code, product type, duplicate identifiers, and source-data issues.
Free + workspaceKit & Bundle HS Review
Review parent and child component facts, packaging relationship, missing fields, and invoice wording before verifying a candidate treatment.
Estimate import duty, additional tariff, customs value, and low-value shipment review.
Import Duty Calculator
Base duty, additional tariff, VAT or tax, fees, and total import cost.
ToolCustoms Value Calculator
FOB, CIF, or manual customs value basis with freight, insurance, assists, packaging, and commission.
ToolFreight Allocation by SKU
Allocate shared freight, insurance, handling, and other shipment costs across up to five SKU lines with a documented basis.
ToolDe Minimis Calculator
Low-value shipment review with destination reference thresholds and channel guidance.
ToolSection 301 Checker
Section 301-style additional tariff review with HS code and origin inputs.
FY 2026 toolMPF & HMF Calculator
Calculate versioned merchandise-processing and harbor-maintenance fee scenarios with entry and transport controls.
Free checkerDuty Drawback Readiness
Check whether import, export or destruction, timing, matching, and claimant records are ready for a formal drawback review.
Move from product cost to landed unit cost and DDP delivered price.
Landed Cost
Product cost, freight, insurance, duty, tax, fees, and per-unit landed cost.
ToolFreight Allocation by SKU
Turn shared shipment costs into a reconciled SKU worksheet before calculating landed cost.
ToolDDP Price
DDP quote from factory price, freight, duty, tax, delivery, and markup.
ToolFOB / CIF / DDP
Compare EXW, FOB, CIF, DAP, and DDP responsibilities and cost boundaries.
Generate customs-ready document drafts in the browser; nothing uploaded or stored.
Compare responsibility rules across the 11 Incoterms 2020 rules.
Read before filing
how to find hs code for a product
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Guideimport duty calculation
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Guidecustoms value vs declared value
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Guidede minimis low value shipments
Read the related guide for the workflow context, common mistakes, and verification steps.
Guidesection 301 additional tariffs
Read the related guide for the workflow context, common mistakes, and verification steps.
Guideus tariffs on electronics by hts and origin
Read the related guide for the workflow context, common mistakes, and verification steps.
Guidefedex customs duty bill dispute checklist
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Guideus tire import tariff risk checks
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Guidecolumn 2 rate of duty us hts
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Guidecustoms value for ecommerce
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