Narrow ruled paper

Six point four millimetres between lines — the tightest ruling in common use.

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Narrow ruled is a quarter of an inch, 6.35 mm, quoted as 6.4. It is the tightest ruling sold as standard stationery and it fits about a fifth more lines on a page than college ruled does. If you write small and have spent years finding college ruling wasteful, this is the sheet you have been looking for.

It is common in British and European exercise books, where it is often described simply as feint ruling, and it is what most bound notebooks aimed at adults use. The trade-off is unforgiving: at 6.4 mm there is no room for a descender to cross into the line below without touching it, so it rewards a disciplined hand and punishes a loose one.

It is also the ruling to pick when the page is going to be scanned or photographed. More lines per sheet means fewer sheets, and at this spacing a full page of notes still reproduces cleanly at ordinary scan resolutions.

At this spacing the line weight starts to matter as much as the spacing does. A 0.12 mm line disappears politely behind small handwriting; anything heavier starts competing with it. That is a control on this page, which is the advantage of generating the sheet rather than buying it.

Lined paper by ruling

Questions

How narrow is narrow ruled paper?

A quarter of an inch — 6.35 mm, usually advertised as 6.4 mm. That is about 0.7 mm tighter than college ruled and fits roughly a fifth more lines per page.

Is narrow ruled the same as feint ruled?

In British and European usage, effectively yes: feint ruling is the ordinary exercise-book spacing at around 6 to 7 mm, and narrow ruled at 6.4 mm sits squarely in that range.

How do I check the ruling printed at 6.4 mm?

Ten gaps should measure 64 mm — and at this spacing checking is worth the trouble, because a few percent of shrinkage on an already-tight ruling is what turns legible notes into a wall of overlapping descenders.

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