4 ms·One minute of latitude for those wondering how this works.by ims 7y agoOne minute of latitude for those wondering how this works.ddalex 7y agoThank you! I was wondering how these work around the poles!iso947 7y ago1nm is about 1/60th of a degree of any great circle on the earths surface (Earth isn’t a sphere so it’s not exact, but it’s pretty close)