UK & International Mail Formats | Franking Machine Guide

UK Mail Formats

View the information below to see the specific sizes that apply when sending mail items within the UK.

Letter

Max. Length: 240mm
Max. Depth: 5mm
Max. Width: 165mm
Max. Weight: 100g

Large Letter

Max. Length: 353mm
Max. Depth: 25mm
Max. Width: 250mm
Max. Weight: 750g

Small Parcel

Max. Length: 450mm
Max. Depth: 160mm
Max. Width: 350mm
Max. Weight: 2Kg

Medium Parcel

Max. Length: 610mm
Max. Depth: 460mm
Max. Width: 460mm
Max. Weight: 20Kg

Large Parcel

Min. Length: 610mm
Min. Depth: 460mm
Min. Width: 460mm
Max. Weight: 30Kg

Tube

Length of the item plus twice the diameter must be less than 104cm, with the greatest dimension less than 90cm.
Max. Weight: 2Kg

International Mail Formats

View the information below to see the specific sizes that apply when sending mail items internationally.

Letter

Max. Length: 240mm
Max. Depth: 5mm
Max. Width: 165mm
Max. Weight: 100g

Large Letter

Max. Length: 353mm
Max. Depth: 25mm
Max. Width: 250mm
Max. Weight: 750g

Parcel

Max total dimensions: Length + Width + Depth no greater than 900mm, with no single side longer than 600mm.
Max. Weight: 2Kg

Tube

Length of the item plus twice the diameter must be less than 104cm, with the greatest dimension less than 90cm.
Max. Weight: 2Kg

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