B6 paper is a part of the B series paper sizes defined by ISO 216. With dimensions of 125 mm × 176 mm, B6 paper is slightly larger than A6 paper and slightly smaller than B5 paper. B6 size paper is commonly used in Japan and some European countries for various applications, such as for brochures, flyers, and pocketbooks.
Similar to the other B series paper sizes, B6 paper uses an aspect ratio of 1:√2, meaning that each consecutive size is the geometric mean of the two preceding sizes in the series. The geometric mean of two numbers is the square root of their product, which ensures that the aspect ratio remains constant across all B sizes. The standard length and width of B6 paper are also rounded to the nearest millimeter.
One of the advantages of using B6 paper is its portability. The size is small enough to fit into a pocket or purse, making it convenient for carrying around. Additionally, B6 paper can be easily folded into half or quarters to create smaller pages, making it a versatile choice for various applications.
B6 paper is also a popular size for creating DIY planners and journals. The compact size makes it easy to carry around and the paper is suitable for writing and drawing. It is also a common size for creating inserts for traveler’s notebooks, which are popular among journaling enthusiasts.
Overall, B6 paper offers a unique size option that falls between the A and B series paper sizes. Its portability and versatility make it a popular choice for a range of applications, from flyers and brochures to planners and journals.