Official Size Comparison: Birkin 25 vs. Birkin 30

Part I of a four-part series on Birkin and Kelly Sizes

By @el4bz

As a newbie navigating my way through unknown, uncharted, winding roads of the elusive and complex world of Hermès, I have made many bag size mistakes. After considerable hits and misses, I am finally at a point where I feel like I know what works for me in terms of bag styles and sizes. And I thought I would share my experience with people who are starting their H journey. I am in no way an expert, but here are some snippets from my humble experience that I hope you find useful.

Let’s start with a Birkin 25 (25 cm x 20 cm x 13 cm) vs. Birkin 30 (30 cm x 22 cm x 16 cm).



Pros of the Birkin 25

  • Compact and small, it can easily go on your lap when sitting. You don’t have to worry about putting the bag on the floor
  • It’s small enough that you don’t have to worry about banging into things and people
  • For a person who doesn’t carry much, it holds all your essentials
  • Easily transforms from a day to night bag
  • You can carry a B25 to formal events
  • It can be used in lieu of a clutch
  • Irrespective of the leather, a B25 is small enough that it can hold its shape for a longer period of time than a B30

Cons of the Birkin 25

  • The handle drop can be very frustrating especially in the winters when you are wearing coats etc.
  • Doesn’t fit much so if you carry a lot this bag is not for you
  • The image of it being too ‘toy like’ because of the small dimensions of the bag
  • When carrying tons of things while running errands, I literally have to carry my B25 like a football which is not a good look



Pros of the Birkin 30

  • Holds much more than a B25
  • Handle drop is convenient to hold the bag and multiple other things at the same time
  • The proportions of this bag are perfect for anyone irrespective of height
  • Has much more of a presence

Cons of the Birkin 30

  • If you don’t carry much, your things can still swim around (as mine do)
  • More chance of banging into people if not careful
  • Too big to carry to functions and events
  • The bag needs a separate seating
  • It’s too big to go on your lap
  • More of a day bag than a night one

@el4bz’s Final Choice

My personal preference is a B25 since I don’t carry much! However, for first time Birkin buyers, I would still advise a B30 over B25 unless they are absolutely convinced a B25 is the bag for them. The thing is, there is very little middle ground when it comes to emotions surrounding the B25. You will either hate it or love it. As a first time Birkin buyer you can minimize your risk by going for a B30 first and then a B25 later if you add to your collection.

Seen here are the L’insert for the Birkin 25 and Birkin 30, click for more details on how to order.

Are you a B25 or B30 kind of gal? Stay tuned for Parts 2, 3 and 4 of @e14bz‘s Hermès size comparison series! 

Read related articles:

Hermes Birkin Size Comparison
From Mini to More: Hermes Birkin Sizes
The Hermès Birkin Encyclopedia

Published: May 11th, 2019
Updated: January 31st, 2020

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