Convert line (button makers) to li (0.001 chi Chinese unit)
Selected category: length.
Definition and details for line (button makers):
U.S. button maker use the "line" unit of length to measure buttons. This unit is equal to 1/40 inch or 0.635 mm. It was probably introduced by German immigrants, who used since ninth century a different version of "ligne" equal to 1/40 inch to measure buttons.
Definition and details for li (0.001 chi Chinese unit):
Li is a Chinese unit of length equal to 1/1000 chi (Chinese foot) or 0.33 mm.