A minute of arc, arcminute (arcmin), arc minute, or minute arc is a unit of angular measurement equal to 1/60 of one degree.
Definition | Relation to SI units |
---|---|
≡ 1°⁄60 |
sextant | angular mil | sixth circle | revolution | quarter circle | eighth circle | arcminute | helf circle |
---|---|---|---|---|---|---|---|
1 | 67,906.1102109 | 1 | 0.1666667 | 0.6666667 | 1.3333333 | 3 600 | 0.3333333 |
1.47262153125 × 10-5 | 1 | 1.47262153125 × 10-5 | 2.45436921875 × 10-6 | 9.817476875 × 10-6 | 1.963495375 × 10-5 | 0.0530144 | 4.9087384375 × 10-6 |
1 | 67,906.1102109 | 1 | 0.1666667 | 0.6666667 | 1.3333333 | 3 600 | 0.3333333 |
6 | 407,436.6612654 | 6 | 1 | 4 | 8 | 21 600 | 2 |
1.5 | 101,859.1653163 | 1.5 | 0.25 | 1 | 2 | 5 400 | 0.5 |
0.75 | 50,929.5826582 | 0.75 | 0.125 | 0.5 | 1 | 2 700 | 0.25 |
0.0002778 | 18.8628084 | 0.0002778 | 4.6296296296296 × 10-5 | 0.0001852 | 0.0003704 | 1 | 9.2592592592593 × 10-5 |
3 | 203,718.3306327 | 3 | 0.5 | 2 | 4 | 10 800 | 1 |
Symbol | Definition |
---|---|
≡ | exactly equal |
≈ | approximately equal to |
= | equal to |
digits | indicates that digits repeat infinitely (e.g. 8.294 369 corresponds to 8.294 369 369 369 369 …) |
1 arcminutes | = 0.0002908882037037 radians |
2 arcminutes | = 0.00058177640740741 radians |
3 arcminutes | = 0.00087266461111111 radians |
4 arcminutes | = 0.0011635528148148 radians |
5 arcminutes | = 0.0014544410185185 radians |