Scientific metric grid
3 mm
graph paper
Printable 3 mm graph paper with 70 × 99 squares on A4 — download a vector PDF free.
PDF Generator
Preview updates live. Click ↓ Download PDF for a vector PDF or ⎙ Print to print directly.
Live preview · PDF rendered at full resolution
About 3 mm graph paper
Each square measures 3 mm (≈ 1/8 in). A portrait page holds 70 × 99 squares on A4 and 71 × 93 on Letter. 3 mm graph paper is the size of choice for:
- Science notebooks where 5 mm squares waste space
- Lab graphs with many data points
- Fine pixel art and sprite design
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 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.
How to print 3 mm graph paper at exact size
- Open the PDF. Click ↓ Download PDF and open the file in your browser or PDF reader.
- Print at 100%. In the print dialog choose 100% or “Actual size” and turn off “Fit to page” (or “Scale to fit”).
- Check with a ruler. Measure 10 squares: they should span exactly 30 mm.
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 →