Your Royal Mail Size Guide

Are you tired of guessing the size of your packages?

With Advanced Direct Mail’s free Size Guide, you’ll be able to measure the size of your packages accurately. Send your letters efficiently and cost-effectively with the right measurements.

Royal Mail Direct Mail Size Guide

Claim your free Royal Mail Size Guide today

This handy free size guide helps you calculate your postage costs by giving you the correct sizes for each of the three Royal Mail letter types.

Download your free Royal Mail Size Guide and take the guesswork out of mailing your packages. Start posting smarter today!

What is in this guide?

This Size Guide can be used to tell the difference between letter sizes. The guide includes sizes for:

  • Large Letters
  • Mailmark Large Letters
  • Letters

The measurements provided in this guide can help you determine the size of your letter and what postage rate you will need to pay. It is a valuable tool for those who frequently send mail and don’t want to overpay for postage. With the Royal Mail Size Guide, you can save time and money on your postal expenses.

Here’s why you need to download the Royal Mail Size Guide:

  • Check the maximum dimensions for letters and large letters
  • Determine the postage cost for different sizes and weights of mail
  • Find out which service is best for your package based on its size and weight
  • Check if your letter qualifies for specific discounts or services
  • Ensure your package meets the requirements for Royal Mail delivery and doesn’t get returned or delayed
  • Learn how to measure and weigh your package accurately for precise pricing and postage

Claim your guide:

  • By completing this form I accept the privacy terms and consent for ADM to contact me via telephone and email
  • This field is for validation purposes and should be left unchanged.

Claim your free Royal Mail Size Guide today

This handy free Royal Mail size guide helps you calculate your postage costs by giving you the correct sizes for each of the three Royal Mail letter types.

Download your free Royal Mail Size Guide and take the guesswork out of mailing your packages. Start posting smarter today!

What is in this guide?

This Size Guide can be used to tell the difference between letter sizes. The guide includes sizes for:

  • Large Letters
  • Mailmark Large Letters
  • Letters

The measurements provided in this guide can help you determine the size of your letter and what postage rate you will need to pay. It is a valuable tool for those who frequently send mail and don’t want to overpay for postage. With the Royal Mail Size Guide, you can save time and money on your postal expenses.

Here’s how the guide will help you:

  • Check the maximum dimensions for letters and large letters
  • Determine the postage cost for different sizes and weights of mail
  • Find out which service is best for your package based on its size and weight
  • Check if your letter qualifies for specific discounts or services
  • Ensure your package meets the requirements for Royal Mail delivery and doesn’t get returned or delayed
  • Learn how to measure and weigh your package accurately for precise pricing and postage

Claim your guide:

  • By completing this form I accept the privacy terms and consent for ADM to contact me via telephone and email
  • This field is for validation purposes and should be left unchanged.

Claim your free Royal Mail Size Guide today

This handy free size guide helps you calculate your postage costs by giving you the correct sizes for each of the three Royal Mail letter types.

Download your free Royal Mail Size Guide and take the guesswork out of mailing your packages. Start posting smarter today!

Claim your guide:

  • By completing this form I accept the privacy terms and consent for ADM to contact me via telephone and email
  • This field is for validation purposes and should be left unchanged.

What is in the Royal Mail Size guide?

This Royal Mail Size Guide can be used to tell the difference between letter sizes. The guide includes sizes for:

  • Large Letters
  • Mailmark Large Letters
  • Letters

The measurements provided in this guide can help you determine the size of your letter and what postage rate you will need to pay. It is a valuable tool for those who frequently send mail and don’t want to overpay for postage. With the Royal Mail Size Guide, you can save time and money on your postal expenses.

Here’s how the guide will help you:

  • Check the maximum dimensions for letters and large letters
  • Determine the postage cost for different sizes and weights of mail
  • Find out which service is best for your package based on its size and weight
  • Check if your letter qualifies for specific discounts or services
  • Ensure your package meets the requirements for Royal Mail delivery and doesn’t get returned or delayed
  • Learn how to measure and weigh your package accurately for precise pricing and postage

How do I use the Royal Mail Size Guide?

The Royal Mail Size Guide is available as a free download. Once you have downloaded the guide, you can print it out and keep it handy for future reference. The guide is easy to use and provides clear instructions to help you determine the correct size for your letters. Using the guide for your Direct Mail can help you avoid unnecessary delays or additional costs associated with incorrect postage.

Complete the form and gain access to the Size Guide

Download your Royal Mail Size Guide

Print your Size Guide as an A4 landscape document

Align your letter with the guide to determine the correct size

Use the size information to calculate the correct postage rate and choose the best service for your package

Enjoy cost-effective and efficient direct mailing with the help of the ADM Size Guide!

For any additional questions or support with using this guide, please get in contact with our expert Advanced Direct Mail team.

What size is classed as a large letter?

A large letter has a maximum width of 250mm and a length of 353mm. The height of the large letter must be no more than 25mm. The maximum weight is 750g.

Items commonly sent as a large letter include:

  • A4 documents
  • Certificates
  • Magazines
  • Catalogues
  • CDs and DVDs
  • Large greeting cards
Royal Mail Size Guide - Large Letter
Royal Mail Size Guide - Letter

What size is classed as a letter?

A letter has a maximum width of 165mm and a length of 240mm. The height of the large letter must be no more than 5mm. The maximum weight is 100g.

Items commonly sent as letters include:

  • Bills and paper letters
  • Postcards
  • Small greeting card
Royal Mail Size Guide - Letter

What size is classed as a letter?

A letter has a maximum width of 165mm and a length of 240mm. The height of the large letter must be no more than 5mm. The maximum weight is 100g.

Items commonly sent as letters include:

  • Bills and paper letters
  • Postcards
  • Small greeting card

What size is classed as a letter?

A letter has a maximum width of 165mm and a length of 240mm. The height of the large letter must be no more than 5mm. The maximum weight is 100g.

Items commonly sent as letters include:

  • Bills and paper letters
  • Postcards
  • Small greeting card
Royal Mail Size Guide - Letter