4lpi Paper Templates

4 LPI (4 lines per inch) graph paper produces 1/4-inch squares—the standard for engineering and detailed math. Often used with bold index lines every five squares.

What is 4lpi paper?

4 LPI creates 1/4-inch (6.35mm) squares, the common engineering paper standard.

Common uses

Engineering work
Detailed math
Technical sketches
Precise plotting

Templates (3)

Graph Paper 4 lines per inch

Graph paper with 4 lines per inch (1/4-inch squares)

6.35mm grid • Letter • portraitgraph

Graph Paper 4 lines per inch (index lines)

Graph paper with 4 lines per inch with heavy index lines

6.35mm grid • Letter • portraitgraph

Graph Paper 4 lines per inch (Landscape)

Landscape graph paper with 4 lines per inch

6.35mm grid • Letter • landscapegraph