81 arcminute converted to **arcsecond** is **4860**

81 arcminute converted to **circle** is **0.00375**

81 arcminute converted to **degree** is **1.35**

81 arcminute converted to **gon** is **1.5**

81 arcminute converted to **grad** is **1.5**

81 arcminute converted to **mil (Nato)** is **24**

81 arcminute converted to **mil (Soviet Union)** is **22.5**

81 arcminute converted to **mil (Sweden)** is **23.625**

81 arcminute converted to **octant** is **0.03**

81 arcminute converted to **quadrant** is **0.015**

81 arcminute converted to **radian** is **0.023561944901923**

81 arcminute converted to **revolution** is **0.00375**

81 arcminute converted to **sextant** is **0.0225**

81 arcminute converted to **sign** is **0.045**

81 arcminute converted to **turn** is **0.00375**