Size Guide
Printables Sizes
At Happy Mail Studios we currently offer the below sizes for our printable planner inserts. Below you will also find the grid size for each respective printable insert size.
| Insert Size | Dimensions Millimetres | Dimensions Inches | Grid Size |
| A5 | 148 x 210 mm | 5.8 x 8.3 in | 4 mm |
| A6 | 105 x 148 mm | 4.1 x 5.8 in | 3.55 mm |
| Personal | 95 x 171 mm | 3.75 x 6.75 in | 4 mm |
| 81 x 126 mm | 3.2 x 5 in | 3.55 mm |
Grid Sizes
We currently offer functional bullet journal stickers in these sizes: 3.55mm, 3.7mm, 4mm and 5mm. The below grid size guide to be used as a guide only. Please measure the size of the grid in your notebook to confirm the grid size before purchasing.
Please note that Hobonichi grid sizes may be vary in different sections of the planner or notebook.
| Grid Size | Dimensions Millimetres | Notebooks |
| 3.55 mm | 3.55 x 3.55 mm | Hobonichi Techo Weeks |
| 3.7 mm | 3.7 x 3.7 mm | Hobonichi Techo Cousin Hobonichi Techo OriginalHobonichi Techo HON |
| 4 mm | 4 x 4 mm | Hobonichi Techo Planner Stalogy 365 Days 4mm Grid |
| 5 mm | 5 x 5 mm | Traveler’s Notebook Refill 002 Grid Traveler’s Notebook Refill 026 Dot Grid Midori MD Notebook Leuchtturm1917 Medium A5 Notebook Stalogy 365 Days 5mm Grid |