Unit Descriptions

1 Point (navigation):1 Point (navigation) is 1 turn/32 or 1/8 of a right angle or 11.25° or 12.5 grad. In radians (SI unit) 1 point is π/16 rad.

1 Gradian:1 gradian is exactly 1/400 of a revolution or 2π/400 or 0.9°. In terms of the SI unit radians 1 grad is approximately 15.707 963 x 10^-3 rad.