If there is an insert not available in the planner size you are using, just drop me a line and I’ll see what I can do!
These A5 printable planner inserts will fit into any A5 ring-bound planner. The page size of A5 is 148 x 210 mm / 5.8 x 8.3 inches. They can be easily scaled to other sizes from the A-series as they share the same aspect ratio.
A5 planner inserts are the best option if you want to have a lot of information on one page, though it may not be as portable as other planner sizes.