Engineering imperial grid

1/6 in
graph paper

Six squares per inch — used in classic engineering log paper and traditional drafting standards. 51 × 66 squares on Letter.

EngineeringLog paperDrafting
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Key uses

  • →Engineering data logging
  • →Traditional drafting
  • →Slide-rule era reference sheets
  • →Technical calculations
51 × 66 squares on Letter

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1/6 in graph paper — free PDF

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About 1/6 in graph paper

Six squares per inch — used in classic engineering log paper and traditional drafting standards. 51 × 66 squares on Letter.

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

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