Guide to Traveler's Notebook Sizes

Whether you’re looking to jump into the world of Traveler’s Notebooks or want to add a new size to your collection, the wide range of sizes available can be intimidating and confusing. No one wants to order inserts for their traveler’s notebook only to realize that they purchased the wrong size. In order to alleviate some confusion, I’ve decided to create this guide to the sizes of traveler’s notebook inserts! New notebook sizes are showing up every day, so this guide may not cover everything, but I will include as much as possible in order to help you find the right size.

Please note: dimensions listed are approximations of the inserts for traveler’s notebooks, but not the covers themselves. While these measurements and sizes are quite standard across the board, the measurements for each shop/maker may vary. The sizes listed are the sizes available and used at Growing Up Goddess for TN inserts.


Large/Cahier – Slightly wider than the regular Midori size, but with the same height.

  • 5″ x 8.25″
  • 127 mm x 210 mm
  • Common names: Wide, Large, Cahier

Standard – The original Midori Traveler’s Notebook size

  • 4.33″ x 8.25″
  • 110 mm x 210 mm
  • Common Names: Standard, Regular, Narrow

Personal – Comparable to the personal size Filofax inserts

  • 3.75″ x 6.75″
  • 95 mm x 171 mm
  • Common Names: Personal, Petite, Le Petit

A6 – Shorter but wider than the personal size

  • 4.13″ x 5.83″
  • 105 mm x 148 mm
  • Common Names: A6
  • Note: Many people use A6 to describe inserts that are exactly 4″ x 6″, but the exact measurements are listed above

Field Notes – Shorter and slightly narrower than the personal size

  • 3.5″ x 5.5″
  • 89 mm x 140 mm
  • Common Names: Field Notes, Pocket, Small

Passport – Shorter than the Field Notes size but with the same width

  • 3.5″ x 4.8″
  • 89 mm x 122 mm
  • Common Names: Passport, Pocket, Small

Teeny Tiny - Shorter and narrower than Passport size

  • 2.75" x 4"
  • 70 mm x 101 mm
  • Common Names: Micro, Nano, No. 0, Zero