Scientific metric grid

3 mm
graph paper

Preferred by scientists and engineers for notation and detailed graphs where 5mm is too coarse. 70 × 99 squares on A4.

ScienceEngineeringData logs

Key uses

  • Scientific notation and data
  • Lab reports and worksheets
  • Engineering project sketches
  • Detailed floor plans
70 × 99 squares on A4

PDF Generator

3 mm graph paper — free PDF

Preview updates live. Click ↓ Download PDF for a vector PDF or ⎙ Print to print directly.

3mm-graph-paper.pdf
Live preview · PDF rendered at full resolution

About 3 mm graph paper

Preferred by scientists and engineers for notation and detailed graphs where 5mm is too coarse. 70 × 99 squares on A4.

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 3 mm squares fit on A4?+
A4 (210 × 297 mm) holds 70 columns × 99 rows = 6,930 squares at 3 mm 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.

Free graph paper — every type, any size

Cartesian, isometric, dot grid, polar, log-log, engineering, lined, and more — customise color, size, and line weight. Free PDF in seconds.

Browse all graph paper types →