Download and print these PDFs of graph paper/grid paper. Grid spacing is 2 lines per cm (0.5 cm).
Now available on letter, A4, and A3 paper size. Minimal border (margin) is 0.25 inch. Grid line weight is 0.5 points. Print in grey color.
Remember to TURN OFF the option “shrink to fit” in print setting, to avoid auto-resize the grid to fit your printer’s printable area.