Customs Value Builder

Step-by-step walkthrough of WTO customs valuation methods 1-6. Determine the correct customs value for your declaration.

Free Tool

Invoice Details

Invoice Value

Currency

Invoice Incoterms

Shipping Costs (enter even if already in invoice)

Enter all costs. The calculator will add or deduct based on the Incoterms rule to arrive at CIF customs value.

Loading at Origin

Inland Freight (Origin)

Main Freight

Insurance

Destination Freight

Unloading at Destination

WTO Additional Value Elements

Royalties / Licence Fees

Payable by buyer as condition of sale

Assists

Tooling, materials, design work provided free/reduced to seller

Import Duty (if DDP)

Only if invoice includes import duty (DDP)

Enter invoice details to build your customs value

WTO Method 1 (Transaction Value) calculation

ℹEU/UK customs value is based on the WTO Customs Valuation Agreement (GATT Article VII). Method 1 (transaction value) is used in ~95% of cases. Always declare in the currency of the invoice, converted to GBP at HMRC's monthly rate.

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