Accounts and Payments

How is dimensional weight calculated?

For all FedEx Express shipments to any other country, dimensional weight is calculated by a special formula.

This is:
Length x Width x Height (all in cm) divided by the 'factor number' (5000)

FedEx reserves the right to assess transportation charges based on dimensional weight for all shipments.

Shipments may also be physically measured or pass through an overhead scanner which will measure or weigh the shipment.

A dimensional weight (weight based on the size of the shipment) may be applied if the weight of the shipment is less than the dimensional weight.

For more information about dimensional weight calculations please contact Customer Service 707 100 869

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This Q&A is provided for information only and the answers do not have a contractual value. For additional information, you can refer to FedEx Conditions of Carriage for EMEA available at

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FedEx is represented in Portugal by a nominated Service Contractor. For more information about the FedEx services available from Portugal please use the contact details below.

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Telephone: + 707 100 869

Our team is available Monday to Friday
08:00 am to 6:00 pm
Saturday, Sunday and Public Holidays Closed.

Service Available: Import/Export

Time zone: UTC/ GMT + 1


TNT Express Portugal