Plane angle unit conversion table

This table contains conversions between almost all plane angle units. Some units of plane angle are common and some are relatively rare. This is a good query tool.  plane angle Converter

Name of unitSymbolDefinitionRelation to SI units
angular milµ≡ ​ 7003640000000000000♠6400rad6994981747999999999♠0.981 748×10 −3 rad
arcminute; MOA'≡ ​ 606994290888000000000♠0.290 888×10 −3 rad
arcsecond"≡ ​ 7003360000000000000♠36006992484813700000000♠4.848 137×10 −6 rad
centesimal minute of arc'≡ ​ 1100grad6994157080000000000♠0.157 080×10 −3 rad
centesimal second of arc"≡ ​ 17004100000000000000♠10 000grad6992157079600000000♠1.570 796×10 −6 rad
degree (of arc)°≡ ​ 1360of a revolution ≡ ​ π180rad6996174532929999999♠17.453 293×10 −3 rad
grad; gradian; gongrad≡ ​ 1400of a revolution ≡ ​ π200rad ≡ 0.9°6996157079630000000♠15.707 963×10 −3 rad
octant ≡ 45°6997785398000000000♠0.785 398 rad
quadrant ≡ 90°6998157079600000000♠1.570 796 rad
radian(SI unit)radThe angle subtended at the center of a circle by

an arc whose length is equal to the circle's radius.
One full revolution encompasses 2π radians.

= 1 rad
sextant ≡ 60°6998104719800000000♠1.047 198 rad
sign ≡ 30°6997523599000000000♠0.523 599 rad