Engineering Graph Paper, 4 per Inch, A4
International programmes that reference imperial engineering paper sometimes specify four squares per inch for introductory labs. This puts quartile majors on A4 so you can file sketches with metric binders while keeping inch-based counting familiar from US computation pads.
Related grids
5 per inch — Letter
Classic engineering pad grid: 5 squares per inch with bold lines every 5. Free Letter PDF at true scale.
5 per inch — A4
5-per-inch engineering grid on A4. Bold major lines every 5 cells. Printable PDF for technical coursework.
10 per inch — Letter
Fine engineering grid: 10 squares per inch with major lines every 5. Free Letter PDF download.
10 per inch — A4
10-per-inch engineering graph paper on A4. Fine grid with quintile majors for technical drawing.
4 per inch — Letter
Four squares per inch with bold majors every inch on Letter. Common engineering pad pitch. Free true-scale PDF.