About the Units
second (″)
An angular measure equal to 1/60 of a minute or 1/3600 of a degree, used for very precise measurements.
mil (mil)
A military unit of angular measure equal to 1/6400 of a revolution, used for artillery and targeting.
Common Conversions
- 1 ″ = 0.0049382714 mil
- 202.5 ″ = 1 mil