Landed Cost Hub

HS Code Lookup Guide: Find the Right Tariff Code for Your Product

Complete guide to finding and using HS codes for import duty calculation. Understand HS code structure, common mistakes, and how to use them.
International shipping containers at port

Why Your HS Code Is Probably Wrong (And How Much It Costs)

HS (Harmonized System) codes are a standardized numerical system used by customs authorities worldwide to classify traded products. Developed by the World Customs Organization (WCO), HS codes are 6 to 10 digits long. The first 6 digits are universal; additional digits vary by country. Your HS code determines the duty rate, VAT rate, and any special regulations that apply to your product.

Four Methods I Use to Find the Right Code

Finding the correct HS code is the most critical step in calculating landed cost. Here's how:

  • Start broad — identify the general category of your product (e.g., electronics, clothing, machinery).
  • Use the HS code search on this site to browse 80+ common HS categories by code number or description.
  • Refine by material — the same product in different materials can have different HS codes (e.g., a wooden chair vs a metal chair).
  • Check your destination country's customs website for local HS code extensions (e.g., HTSUS for the US).
  • When in doubt, request a Binding Tariff Information (BTI) ruling from customs for certainty.

How HS Codes Work (The 6-Digit System Explained)

An HS code is structured in a hierarchical format:

For most landed cost calculations, the 4-digit heading is sufficient to estimate duty rates.

DigitsLevelExample (6204)Description
2Chapter62Apparel, not knitted
4Heading6204Suits, jackets, dresses, skirts
6Subheading6204.62Cotton trousers
8-10Local6204.62.8010US-specific: cotton trousers, women's

Three Mistakes I See Repeatedly

These errors can cost you money or cause customs delays:

  • Using the wrong HS code because you chose a similar-looking category — double-check the wording
  • Forgetting that HS codes update every 5 years (WCO revisions)
  • Assuming one HS code fits all variants of your product (e.g., organic vs synthetic materials)
  • Not checking for anti-dumping duties that apply to specific HS codes from specific countries
  • Failing to account for preferential duty rates under Free Trade Agreements (FTAs)

Use Our Tool to Find Your Code

This site includes a built-in HS code lookup tool with 80+ common 4-digit categories. Simply click the search box below the product category selector and start typing a code number (e.g., "6204") or a keyword (e.g., "furniture"). The dropdown shows matching codes, descriptions, typical duty adjustments, and any anti-dumping risk flags. Select the best match and the calculator will adjust duty rates accordingly.

Business data analytics and charts

Frequently Asked Questions

Can I use a 4-digit HS code for accurate duty calculation?

For estimation purposes, yes. A 4-digit heading gives you a reasonable duty rate range. For official customs declarations, use the full 8-10 digit code for your destination country.

What happens if I use the wrong HS code?

You may overpay or underpay duty. Underpayment can result in penalties, interest charges, and customs audits. Always verify your HS code before shipping.

AW

Written by Ace Wang

Founder & Import Operations Specialist | 20 years in cross-border ecommerce

Ace Wang has spent two decades managing import supply chains for small and medium businesses across China, Southeast Asia, and beyond. Everything on LandedCostHub comes from real shipping lanes, real customs paperwork, and real P&L statements — not theory. More about Ace →

📮

China → United States Import Cost

Calculate landed cost for importing from China. View shipping rates, duty rates, and total landed cost estimates.

View route details →

Calcule Su Costo Total

Use nuestra calculadora gratuita para estimar sus costos totales de importación, incluidos aranceles, flete e impuestos.

common.start_calculating