A comparison of A5 sized notebooks with 4 x 6 inch index cards on a cost per square foot basis

Notebooks Product Sheet width (inches) Sheet height (inches) pages price Area sq. ft. $/sq. ft. Hobonichi A5 Graph 5.8 8.3 288 $23.00 96.3 $0.24 Leuchtturm 1917 A5 5.8 8.3 251 $25.95 83.9 $0.31 Moleskine Hard Cover 5 8.25 192 $20.00 55.0 $0.36 Travelers Notebook 4.3 8.3 128 $11.90 31.7 $0.38 4 x 6 inch