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A second of arc, or arcsecond (arsec) is 1/60 of an arcminute, 1/3600 of a degree, 1/1296000 of a turn, and π/648000 (about 1/206265) of a radian.
The gradian, also known as gon (from Greek γωνία/gōnía for angle), grad, or grade, is a unit of measurement of an angle, equivalent to 1/400 of a turn, 9/10 of a degree, or π ..more definition+
In relation to the base unit of [angle] => (radians), 1 Second Of Arc (SOA) is equal to 4.848137E-6 radians, while 1 Gradians (grad) = 0.015707963 radians.| 1 Second Of Arc | to common angle units |
|---|---|
| 1 SOA | = 4.848137E-6 radians (rad) |
| 1 SOA | = 0.004848137 milliradians (mrad/mil) |
| 1 SOA | = 0.0049382703096925 angular mils (µ mil) |
| 1 SOA | = 0.00027777777776858 degrees (°deg) |
| 1 SOA | = 0.00030864199259955 gradians (grad) |
| 1 SOA | = 0.016666679271747 arcminutes (arcmin) |
| 1 SOA | = 1 arcseconds (arcsec) |
| 1 SOA | = 4.6296278258744E-6 sextants (60°) |
| 1 SOA | = 9.2592379679144E-6 signs (30°) |
| 1 SOA | = 7.7160439203653E-7 turns (t) |
| Second Of Arc | to Gradians (table conversion) |
|---|---|
| 1 SOA | = 0.00030864199259955 grad |
| 2 SOA | = 0.0006172839851991 grad |
| 3 SOA | = 0.00092592597779865 grad |
| 4 SOA | = 0.0012345679703982 grad |
| 5 SOA | = 0.0015432099629977 grad |
| 6 SOA | = 0.0018518519555973 grad |
| 7 SOA | = 0.0021604939481968 grad |
| 8 SOA | = 0.0024691359407964 grad |
| 9 SOA | = 0.0027777779333959 grad |
| 10 SOA | = 0.0030864199259955 grad |
| 20 SOA | = 0.006172839851991 grad |
| 30 SOA | = 0.0092592597779865 grad |
| 40 SOA | = 0.012345679703982 grad |
| 50 SOA | = 0.015432099629977 grad |
| 60 SOA | = 0.018518519555973 grad |
| 70 SOA | = 0.021604939481968 grad |
| 80 SOA | = 0.024691359407964 grad |
| 90 SOA | = 0.027777779333959 grad |
| 100 SOA | = 0.030864199259955 grad |
| 200 SOA | = 0.06172839851991 grad |
| 300 SOA | = 0.092592597779865 grad |
| 400 SOA | = 0.12345679703982 grad |
| 500 SOA | = 0.15432099629977 grad |
| 600 SOA | = 0.18518519555973 grad |
| 700 SOA | = 0.21604939481968 grad |
| 800 SOA | = 0.24691359407964 grad |
| 900 SOA | = 0.27777779333959 grad |
| 1000 SOA | = 0.30864199259955 grad |
| 2000 SOA | = 0.6172839851991 grad |
| 4000 SOA | = 1.2345679703982 grad |
| 5000 SOA | = 1.5432099629977 grad |
| 7500 SOA | = 2.3148149444966 grad |
| 10000 SOA | = 3.0864199259955 grad |
| 25000 SOA | = 7.7160498149887 grad |
| 50000 SOA | = 15.432099629977 grad |
| 100000 SOA | = 30.864199259955 grad |
| 1000000 SOA | = 308.64199259955 grad |
| 1000000000 SOA | = 308641.99259955 grad |