1 mil is an arc of 1 metre at a distance of 1 kilometre

Neil Willis wrote: ↑25 Apr 2020, 16:12 1 mil is an arc of 1 metre at a distance of 1 kilometre

so its degrees then? how many degrees is 1 mil? my trig has long since abandoned me

A metric alternative to degrees. There are 6400 mils in a full circle.

Mils are a much finer system adopted ground forces primarily.

360 degrees = 6400 Mils
180 degrees = 3200 Mils

ta