5.941 is 5941 divided by 1000.
Verify:
5941/1000 = 5.941
So, we need to figure out which unit, divided by 1000 gives us mm.
m - meters
we know
1 meter = 1000 mm
That means to get mm to meters, we need to divide by 1000!
This is exactly what we need.
Thus,
5941 mm = 5.941 m