Royal.mail letter size

Royal Mail, the postal service of the United Kingdom, offers a range of letter sizes to suit different types of mail. Here are the standard letter sizes used by Royal Mail:

  1. Large Letter: This is the largest letter size that can be sent as a standard letter. It measures up to 24 cm (9.4 in) in length, 17 cm (6.7 in) in width, and 5 mm (0.2 in) in thickness.
  2. Large Letter Card: This is a larger version of a standard letter card, measuring up to 24 cm (9.4 in) in length, 17 cm (6.7 in) in width, and 0.5 mm (0.02 in) in thickness.
  3. Small Letter: This is the standard letter size, measuring up to 23 cm (9 in) in length, 16 cm (6.3 in) in width, and 5 mm (0.2 in) in thickness.
  4. Small Letter Card: This is a standard letter card, measuring up to 23 cm (9 in) in length, 16 cm (6.3 in) in width, and 0.5 mm (0.02 in) in thickness.

It's worth noting that Royal Mail has specific guidelines for preparing letters for posting, including:

If your letter exceeds these dimensions or weight, you may need to use a larger envelope or package, or consider using a different postal service.