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 index cards

Product

Sheet width
(inches)

Sheet height
(inches)

sheets

price

Area
sq. ft.

$/sq. ft.

Amazon Basics 4×6 Index Cards | 4 | 6 | 500 | $7.30 | 166.7 | $0.04
Oxford 4×6 | 6 | 4 | 1000 | $16.49 | 333.3 | $0.05
Stockroom Plus 4×6 (grid) | 6 | 4 | 300 | $13.67 | 100.0 | $0.14
Exacompta 4×6 | 6 | 4 | 100 | $15.77 | 33.3 | $0.47
Notsu 4×6 | 6 | 4 | 50 | $14.99 | 16.7 | $0.90

Generally, Exacompta cards are the closest in price per square foot to the nicer notebooks while most 4 x 6 inch index cards are comparatively much cheaper (even if you’re only writing on one side).