HS Tariff Calculator

Search HS codes and estimate reference import taxes for Korea and the United Kingdom (GB).

HS Tariff Calculator is an independent helper app that lets users look up HS code and tariff information, then estimate reference customs duty and import tax based on the values they enter.

This app is useful for:

• people who want a quick import tax estimate before purchase or shipment
• users who want to review HS codes and base tariff information first
• users who need a reference calculation flow for Korea or the United Kingdom (GB)

Key features

• Choose the import country first: Korea or United Kingdom (GB)
• Search items by product name or HS code
• Review and choose available tariff types for each item
• Estimate reference import tax using entered freight, insurance, exchange rate, and item values
• Save recent searches on device
• Korean / English language support

Important notice

• This app is not an official government app and is not affiliated with the Korea Customs Service, the UK government, or any other public authority.
• It is a reference calculation tool based on publicly available information and does not replace official customs guidance or final customs assessment.
• Actual customs treatment may vary depending on origin, preferential eligibility, documentation, transport conditions, exchange rates, and customs review.
• Some taxes, exemptions, mixed rules, and exceptional cases may not be reflected.

Official information sources

• Korea Customs Service: https://www.customs.go.kr
• Customs Law Information Portal CLIP: https://unipass.customs.go.kr/clip/index.do
• Korea Customs Service FTA portal import tariff information: https://www.customs.go.kr/ftaportalkor/ad/ftaCnvn/txrtInfo.do?mi=3526
• GOV.UK Trade Tariff: https://www.gov.uk/trade-tariff
• HMRC GOV.UK Trade Tariff API: https://www.api.gov.uk/hmrc/gov-uk-trade-tariff-api/

Notice

• This app provides calculation results based on publicly available government information, including Korea Customs Service and HMRC/GOV.UK sources, together with the conditions selected by the user.
• Actual tariff rates, reductions, origin requirements, document requirements, and customs review outcomes may change the real tax amount.
• Some tax items or exceptional cases may not be reflected.
• Results from this app are provided for reference only and do not replace an official confirmation or determination by a government authority.

Advertising

• This app may include Google AdMob ads to support service operation.

Why users may like it

• The flow from search to tariff selection to calculation is simple and mobile-friendly.
• The app separates tariff types that can be auto-calculated from those that need extra review, instead of overstating certainty.
• It works well as a quick reference tool for individual buyers and small sellers handling import cost checks.