Printable Graph Paper

Engineering Paper

The green computation pad grid: five squares to the inch (5.08 mm each) with a heavier line at every inch.

8.5 × 11.0 in · 215.9 × 279.4 mm
Download PDF
Download PDF

How to print Engineering Paper

  1. Pick the paper

    Choose Engineering Paper from the list. It opens with the usual size already set.

    Engineering Paper selected in the list of paper types
  2. Set it up

    Pick the paper size, the grid and the orientation. Customize holds colours, margins and more.

    Settings for Engineering Paper: paper size, grid and orientation
  3. Download or print

    Download the ready PDF, or print straight from the page at 100% scale.

    Engineering Paper preview with the Download PDF and Print buttons

What makes it engineering paper

American engineering paper — sold as the engineer's computation pad — is ruled five squares to the inch in pale green. On a bought pad the grid is printed on the back of the sheet so it shows faintly through the front, and calculations are written on the front, one digit or symbol to a square, with the grid keeping every column of working aligned.

Five to the inch is coarser than millimetre paper and finer than quad ruled. A square is just big enough for a handwritten digit, and the heavier line every five squares means any length can be read in inches and fifths straight off the page.

Setting it up like a pad

A printed sheet cannot put the grid on the back, but it can come close: keep the line weight light and the green pale, and the grid recedes behind pencil in the same way. The spacing, the major line and the colour can all be changed if your course or office uses a different convention.

  • Engineering homework — statics, circuits and thermodynamics problems, worked one line at a time.
  • Calculations for the file — a neat, gridded page that photocopies and scans cleanly.
  • Sketches to scale — five squares to the inch, so every square is 0.2 in.
  • Lab notebooks and data tables — columns stay straight without ruling them.
  • Millimetre paper — set the spacing to 1 mm and the major line to every 10 for the European lab sheet.

Every sheet here is free, adjustable and prints at exact scale.

Questions

What is engineering paper?

Paper ruled in a light green grid, five squares to the inch, used for engineering calculations and sketches. It is also called computation paper, after the engineer's computation pads it comes in.

Why is engineering paper green?

Green reads clearly under pencil without competing with it, and older copiers barely picked it up, so a copied calculation came out clean. The convention stuck.

Is engineering paper the same as millimetre paper?

No. US engineering paper is five squares to the inch, 5.08 mm. Millimetre paper is a 1 mm grid with heavier lines every 5 and 10, the European lab standard — set the spacing to 1 mm here, or open the 1 mm graph paper page.

Why does my printed grid measure slightly wrong?

Almost always Fit to page. It shrinks the sheet by two or three percent so the printer's unprintable border clears. Choose Actual size instead, and check that five squares span exactly one inch.