Engineering imperial grid

1/6 in
graph paper

Printable 1/6 in graph paper with 51 × 66 squares on Letter — download a vector PDF free.

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1-6-inch-graph-paper.pdf
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About 1/6 in graph paper

Each square measures 1/6 in (≈ 4.23 mm). A portrait page holds 49 × 70 squares on A4 and 51 × 66 on Letter. 1/6 in graph paper is the size of choice for:

  • Layouts at typewriter line spacing (6 lines per inch)
  • Reproducing older engineering log sheets ruled 6 per inch

All PDFs are vector graphics — perfect print quality at any zoom. Available in A4, A3, Letter, Legal, and A5, portrait or landscape, in nine color options.

How many 1/6 in squares fit on Letter?+
Letter (8.5 × 11 in) holds 51 columns × 66 rows = 3,366 squares at 1/6 in spacing in portrait orientation.
Is this free?+
Yes — all PDFs and the print function are completely free. No sign-up, no watermark.
What paper sizes are available?+
A4, A3, A5, Letter, and Legal — all in portrait and landscape orientation.
  1. Open the PDF. Click ↓ Download PDF and open the file in your browser or PDF reader.
  2. Print at 100%. In the print dialog choose 100% or “Actual size” and turn off “Fit to page” (or “Scale to fit”).
  3. Check with a ruler. Measure 10 squares: they should span exactly 42.33 mm (1.67 in).

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