# 9 mm Lined Paper — Free Printable PDF > Free printable lined paper ruled at 9 mm (0.354 in). 29 lines per A4 sheet, 27 per US Letter. Exact line counts for every sheet size, plus an instant PDF download. Canonical URL: https://linedpaperpdf.com/9mm-lined-paper/ Last updated: 2026-09-08 Source: linedpaperpdf.com — free printable writing paper generator (no signup, no watermark). Content licensed CC BY 4.0. --- 9 mm ruling ## 9 mm Lined Paper — Printable PDF Ruled paper with exactly 9 mm (0.354 in) between lines. This page gives the measured line count for every sheet size, shows how 9 mm compares with the named ruling standards and its nearest neighbouring spacings, and provides a print-ready PDF. 9 mm is slightly wider than wide ruled (8.7 mm), and close to the 3/8 inch (9.525 mm) imperial step. Good for early writers and large handwriting. Quick answer ## How many lines are on 9 mm lined paper? 9 mm lined paper has 9 mm (0.354 in) between ruled lines. On A4 that gives about 29 lines per sheet, on US Letter 27, and on Legal 36, allowing a 15 mm margin top and bottom. Download it free as a print-ready PDF. **Line spacing** — 9.0 mm (0.354 in) **Lines per inch** — 2.82 **Lines per A4** — 29 **Lines per US Letter** — 27 **Lines per Legal** — 36 **Closest standard** — [Wide Ruled paper](https://linedpaperpdf.com/wide-ruled-paper-pdf/) **Price** — Free PDF, no signup, no watermark Instant download ## Download 9 mm Lined Paper as PDF Ruled at exactly 9 mm, print-ready at actual size. Print at 100% scaling so the spacing stays true. - [**A4**29 lines · 1 KB PDF](https://linedpaperpdf.com/pdf/9mm-lined-paper-a4.pdf) - [**Letter**27 lines · 1 KB PDF](https://linedpaperpdf.com/pdf/9mm-lined-paper-letter.pdf) - [**Legal**36 lines · 2 KB PDF](https://linedpaperpdf.com/pdf/9mm-lined-paper-legal.pdf) ⚠ Print at 100% — not “Fit to Page” Your PDF reader's default print scaling shrinks the sheet by a few percent, which changes the real line pitch. In the print dialog, set scaling to **100%** or **Actual Size** so the measurements on this page match what comes out of the printer. Capacity ### How Many 9 mm Lines Fit on a Page _Ruled lines per sheet at 9 mm spacing, allowing a 15 mm margin top and bottom._ | Sheet | Dimensions | Rulable height | Lines | | --- | --- | --- | --- | | A4 | 210 × 297 mm | 267 mm | 29 | | Letter | 215.9 × 279.4 mm | 249 mm | 27 | | Legal | 215.9 × 355.6 mm | 326 mm | 36 | Line pitch is measured centre to centre between adjacent rules, which is how ruled paper is specified. Changing the margin in the generator changes the line count accordingly. In context ### 9 mm Compared With Standard Rulings _Named ruling standards within 3.5 mm of 9 mm._ | Format | Pitch | Relative to 9 mm | Lines / A4 | | --- | --- | --- | --- | | [Notebook](https://linedpaperpdf.com/notebook-paper-pdf/) | 7.1 mm | 1.9 mm tighter | 37 | | [Handwriting](https://linedpaperpdf.com/handwriting-paper-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | | [Cursive](https://linedpaperpdf.com/cursive-paper-pdf/) | 7.1 mm | 1.9 mm tighter | 37 | | [Calligraphy](https://linedpaperpdf.com/calligraphy-paper-pdf/) | 10.0 mm | 1 mm wider | 26 | | [Journal](https://linedpaperpdf.com/journal-paper-pdf/) | 7.1 mm | 1.9 mm tighter | 37 | | [College Ruled](https://linedpaperpdf.com/college-ruled-paper-pdf/) | 7.1 mm | 1.9 mm tighter | 37 | | [Wide Ruled](https://linedpaperpdf.com/wide-ruled-paper-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | | [Narrow Ruled](https://linedpaperpdf.com/narrow-ruled-paper-pdf/) | 6.0 mm | 3 mm tighter | 44 | | [Cornell Notes](https://linedpaperpdf.com/cornell-notes-paper-pdf/) | 7.1 mm | 1.9 mm tighter | 37 | | [Reporter Notebook](https://linedpaperpdf.com/reporter-notebook-paper-pdf/) | 6.0 mm | 3 mm tighter | 44 | | [Genkouyoushi](https://linedpaperpdf.com/genkouyoushi-paper-pdf/) | 10.0 mm | 1 mm wider | 26 | | [Right-Handed Slant (Low Angle)](https://linedpaperpdf.com/right-handed-slant-paper-low-angle-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | | [Right-Handed Slant (High Angle)](https://linedpaperpdf.com/right-handed-slant-paper-high-angle-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | | [Left-Handed Slant (Low Angle)](https://linedpaperpdf.com/left-handed-slant-paper-low-angle-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | | [Left-Handed Slant (High Angle)](https://linedpaperpdf.com/left-handed-slant-paper-high-angle-pdf/) | 8.7 mm | 0.3 mm tighter | 30 | 9 mm is slightly wider than wide ruled (8.7 mm), and close to the 3/8 inch (9.525 mm) imperial step. Good for early writers and large handwriting. Nearby spacings ### 9 mm vs the Closest Other Spacings 9 mm vs 8 mm: a 1 mm difference, tighter — 4 more lines per A4 sheet than 9 mm. _The three spacing pages on this site closest to 9 mm._ | Spacing | Pitch | Relative to 9 mm | Lines / A4 | | --- | --- | --- | --- | | [8 mm lined paper](https://linedpaperpdf.com/8mm-lined-paper/) | 8 mm | 1 mm tighter | 33 (4 more than 9 mm) | | [10 mm lined paper](https://linedpaperpdf.com/10mm-lined-paper/) | 10 mm | 1 mm wider | 26 (3 fewer than 9 mm) | | [7 mm lined paper](https://linedpaperpdf.com/7mm-lined-paper/) | 7 mm | 2 mm tighter | 38 (9 more than 9 mm) | Suitability ### Who 9 mm Lined Paper Suits A generous ruling for larger handwriting, younger writers and anyone who annotates between lines. Common in primary education and for writers who find standard ruled paper cramped. If you need a named format instead, [wide ruled paper](https://linedpaperpdf.com/wide-ruled-paper-pdf/) is the closest match. The [full specification table](https://linedpaperpdf.com/paper-ruling-specifications/) lists every ruling on this site, and the [glossary](https://linedpaperpdf.com/glossary/) explains the terminology.