Royal Mail Size Guide Ruler – Includes Small / Medium Parcel Sizes


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Confused with all the different sizes and new changes? Fed up of ‘Surcharges’ from the Royal Mail? Has your cardboard mail size template worn out? If so try our new ‘Royal Mail Size Guide Ruler’. This small, compact size guide is very convenient to have at hand when you’re just not sure. It will tell you if a letter is too thick to be a standard letter or too thick to be a large letter and now if your item is small enough to go within the Royal Mails new ‘Small Parcel’ tariff.


  • Full Telephone & Instant Chat Support Available By Qualified Franking Machine Technicians.
  • Dispatched by Mailcoms® who are a Royal Mail Approved Ink Supplier & Authorised Independent Inspector & Maintainer Of Franking Machines.
  • As of 20th October 2014, the Royal Mail are changing to a new simpler small parcel size and our New Size Guide will be the only one on the market to offer ‘Letter’, ‘Large Letter’ and the New ‘Small Parcel’ slots.
  • New ‘Small Parcel’ Sizes Included in addition to ‘Letter’ and ‘Large Letter’ slots.
  • Made of a 5mm hard plastic it’s also the only guide of its kind to include measurements up to 460mm which is the depth and width of a Royal Mail ‘Medium Parcel’ size.
  • Also Displays Useful Help and Contact Information.

Additional information

Product Type

PIP Ruler

37 reviews for Royal Mail Size Guide Ruler – Includes Small / Medium Parcel Sizes

  1. Excellent, very rigid size guide is excellent for ensuring parcels are within royal mails measurements so you know how much they will cost to send. Bought this for my son, I think I may have to buy one for myself.
    Speedy delivery & well packaged

  2. All good, no problems, nice piece of kit!

  3. Excellent service

  4. good service

  5. First one arrived broke,contacted seller and second one was sent out straight away,cannot fault great service5***** ,great item also.

  6. Absolutely great item. Delivered well before estimated delivery date. Great seller, will use again.

  7. Very good value, well packed and fast delivery.

  8. Excellent service , highly recommended. A

  9. Item as described, very prompt delivery – great seller!

  10. The parcel measuring device arrived well ahead of its expected arrival day. It was very well packaged & excellent quality.

  11. This item is far better than the small plastic rulers – being more rigid means that a large letter can be pushed through (as at post office) rather than sticking as the plastic one flexes. Not much of a point but enough to stop paying out a higher pre-printed postage!

  12. Great product and prompt dispatch. Delivered well ahead of estimate. Definitely recommended.

  13. Well packed useful Royal Mail postage guide ruler arrived so quickly. First class service.

  14. Excellent product, well packed and speedily delivered. Looking forward to using this product. Recommended seller!

  15. Great service and this product really comes in handy!

  16. Excellent service very pleased with my purchase thanks.

  17. Item will be very handy.
    Review By Mark Taylor

  18. Very useful tool when running your own business.
    Reviewed By Sheryl

  19. Great product, being used in an office environment where we were getting charged for under franking mail, now everyone uses it and then in turn used the correct postage, also very good as The Royal Mail are not currently offering customers a size guide.
    Reviewed By Holly Joyce

  20. I used to go to the PO to check out postage cost, this template saves me a lot of time by doing it at home, brilliant.
    Reviewed By Barrie Merrifield

  21. Excellent service, well packaged, thank you.
    Reviewed By Kate Phimister

  22. Item as Listed and arrive within delivery time stated. The item is great quality and worth the price Thank You.
    Reviewed By Anthony Gaffney

  23. I tend to send a lot of parcels so this is very handy for making sure they’re the right size! It does what it says on the tin!!
    Reviewed By Annakb

  24. As an active seller on a well known auction site a GOOD QUALITY Royal Mail Size Guide is ESSENTIAL – Previously I had wasted money ( false economy ) on much cheaper inferior quality size guides – all fell apart within days.
    The crucial difference is that the cut outs seem to be moulded – the ‘cut out’ versions SNAP!
    I would urge this brilliant supplier to ALSO list this item on a well known auction site!
    Reviewed By Michael Peacock

  25. Great, just what I needed would recommend this item to anyone who needs it.
    Can not add any more words ……..
    Reviewed By D Blindt

  26. I would highly recommend this product if you regulary post packages, triple slot, it will gauge as small as a letter/greetings card or as large as a medium size package. If you pick up a postal charges leaflet from royal mail, along with the template you can roughly estimate the cost of postage before you leave home. It is worth paying a little extra if you want a good quality product as it is made of a sturdy, thickish plastic.The size is quite large, but it comes well packaged in bubble wrap, card & boxed which can be stored in this when not in use if you choose. The delivery was very speedy, ordered on a tuesday, arrived thursday.
    Reviewed By Tony W

  27. Arrived quickly, Thank You.
    Reviewed By D. Blind

  28. A very useful product.
    Reviewed By Christine Harding

  29. No problem with the purchase at all.

  30. It was good service.

  31. Good Service.

  32. Very quick service and good product.

  33. As described and prompt delivery.
    Reviewed by Gill McManus

  34. Useful item / Thanks.
    Reviewed By Margaret Crowe

  35. Item arrived broken next day. After reporting this I received a phone call minutes later offering an apology, and a replacement which arrived in perfect condition the next day. Excellent service, and the item is just what I wanted. Thanks!
    Reviewed By Glenn Purland

  36. Great item, would defo reorder

  37. Great service, Thanks

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