What is the Notebook’s Common Size?

common notebook with a pencil

Notebooks can come in a variety of sizes. Some follow standardized measurements while others go by category.

For example, if you need a large sheet of paper for an essay or other lengthy writing project, an A4 pad will work well. But if you want something small that will fit in your pocket, consider the B series. Honeyoungbook(one of the best notebook suppliers in China) gives an introduction to some common notebook sizes below.


The A4 size paper is the most common notebook paper size in many countries. It is slightly longer and narrower than standard North American letter-size paper.

The A-series of paper sizes are based on the international ISO 216 standard, which dictates that each smaller size is half the surface area of the next larger one. This allows for easy scaling. This makes A4 paper a good choice for most projects.


A5 notebooks are a popular option for those looking for a stylish and functional notebook. They come in a variety of styles and are available with a wide range of pages.

The A5 paper size is part of the ISO 216 international paper size standard. It is half the width of A4 paper and twice its height. This makes it a perfect size for notebooks, diaries and other everyday use.


B5 paper is a popular notebook size that is ideal for use in professional settings. It’s easy to carry and gives your printed materials a professional look.

Like all B formats, it can’t be used with personal printers and is only available for professional printing. It can also be divided into two B8 sheets and is often used for menus or flyers.


There are many paper and notebook sizes to choose from. Fortunately, most follow international standards that use series names and size numbers to differentiate.

The B6 notebook is a comfortable fit for shirt or pants pockets and provides enough room to keep a bullet journal, record class notes, make lists, track habits, or sketch designs. It also feels great in the hand.


While paper sizes are fairly standard throughout the world, some countries have their own standards and subtle variations in measurements. For example, paper sizes in some European countries are often referred to by their envelope size.

You can also find differences in how notebooks are bound – with glue, thread, spiral or rings determining how flat the book lies and how sturdy it is. You can also choose from different paper weights, ranging from 75 to 90 GSM.


Many notebook sizes are required to satisfy the needs of various users. For instance, students need soft-cover notebooks for their school work; business people use hard-cover ones to keep records and meetings.

Most paper notebook sizes around the world follow a standard sizing, but some do not. This means that you may encounter slight variations in notebook size when buying from different countries.


Paper and notebook sizes differ around the world. But you’ll usually find a standard series name and size number that are associated with a particular notebook or planner.

This journal size offers more than enough room to write a daily log, take meeting notes, and manage an ambitious project. It’s also pocket-worthy for everyday carry. The variety of sizes allows you to find the best fit for your creative habits.

Card Book

Popularized by the Traveler’s Company brand, this notebook size is known for striking a balance between portability and freedom of expression. It’s large enough to sketch and chronicle ephemera from around the world.

Paper (and therefore notebooks) in other parts of the world usually adhere to measurements established by ISO standards. However, you may still see different sizes names and subtle variations in dimensions.


A popular notebook size in the Traveler’s Notebook system, the passport-size is a bit smaller than the regular-sized Traveler’s Notebook. It comes with heavyweight paper that’s great for pens and prevents ink from bleeding through the pages.

The B series sizes are less common but have some specialized uses. They are sized in between the A-series sizes for a more natural progression from largest to smallest.

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