Survey of High-Quality Notebooks by Line Height

7mm is the most common line spacing for ruled notebooks. Sometimes I find this spacing a little too generous. Here is a survey of high-quality notebooks by line height.

N.B.: All of these have lined paper, unless noted otherwise.

5mm

Rhodia quadrille (No. 16 is A5; No. 18 is A4)

6mm

Kokuyo Campus, Blue (A5 on JetPens)
Rhodia Unlimited and Webnotebooks

6.5mm

Midori Colors (JetPens)

7mm

Apica CD (JetPens)
Kokuyo Campus, Red (A5 on JetPens)
Rhodia Pads

8mm

Clairefontaine (1951 Collection on JetPens)