How many mils are equivalent to one degree?

One degree is equivalent to approximately 17.7 mils. This relationship comes from the geometric conversion between degrees and mils, where mils are a unit of measure often used in military applications for precise angular measurements. Specifically, one full circle is 360 degrees, which is equivalent to 6400 mils. To find the number of mils per degree, you can divide the total number of mils in a circle by the total degrees in a circle:

6400 mils / 360 degrees ≈ 17.7 mils per degree.

This calculation explains why the correct answer is 17.7 mils, as it accurately reflects the conversion factor established between these two units of angular measurement.