Medium ruled (or College ruled) lined paper has 7.1 mm spacing between gray horizontal lines, with a vertical margin drawn about 1.25 inches (32 mm) from the left-hand edge of the page. Paper size 7.5″x9. 75″ –Perfect Size for notebook.
Hereof, how big is a sheet of notebook paper?
ANSI A: The standard 8.5″ x 11″ or “Letter” size so prevalent in full-sized notebooks. ANSI B: The 11″ x 17″ option also known as “Ledger” or “Tablet” size.