Units 7-8 Primary Point, Progress Drive, Cannock, Staffordshire, WS11 0JF

01543 572 776      info@franking-machine-guide.co.uk

UK & International Mail Formats

UK Mail Formats

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

Letter Format - UK

Letter

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

Large Letter Format - UK

Large Letter

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

Small Parcel Format - UK

Small Parcel

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

Medium Parcel Format - UK

Medium Parcel

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

Large Parcel Format - UK

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 Format - UK

Letter

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

Large Letter Format - UK

Large Letter

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

Parcel Format - International

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

Do you want a quick franking machine quote?

Here at Franking Machine Guide we can offer you a quick and easy Mailmark franking machine quote!

Get A Quote

Frequently Asked Questions

What are the UK mail formats?

Royal Mail sorts mail by format, such as Letter, Large Letter and Parcel, based on size and weight. The format affects the postage you pay.

How do international mail formats differ?

International mail is priced by destination zone, format and weight. This guide explains the main formats to help you choose the right service.

How does my franking machine handle formats?

A franking machine with weighing scales helps apply the correct postage for each format automatically. Call 01543 572 776 if you need advice.

Scroll to top