Unit Descriptions
1 Arcminute:1 Arcminute (Minute of Arc - MOA) is equal to exatly one 60th of a degree. In terms of the SI unit radians this is π/10800 or approximately 0.290 888 x 10-3 rad.
1 Radian:1 Radian is defined as the angle subtended at the center of a circle by an arc whose length is equal to the circle's radius. One full turn is 2π radians.