arcsecond | 1 " | 2 " | 3 " | 4 " | 5 " | 6 " | 7 " | 8 " | 9 " | 10 " | 11 " | 12 " | 13 " | 14 " | 15 " | 16 " | 17 " | 18 " | 19 " | 20 " | 21 " | 22 " | 23 " | 24 " | 25 " | 26 " | 27 " | 28 " | 29 " | 30 " | 31 " | 32 " | 33 " | 34 " | 35 " | 36 " | 37 " | 38 " | 39 " | 40 " | 41 " | 42 " | 43 " | 44 " | 45 " | 46 " | 47 " | 48 " | 49 " | 50 " | 51 " | 52 " | 53 " | 54 " | 55 " | 56 " | 57 " | 58 " | 59 " | 60 " | 61 " | 62 " | 63 " | 64 " | 65 " | 66 " | 67 " | 68 " | 69 " | 70 " | 71 " | 72 " | 73 " | 74 " | 75 " | 76 " | 77 " | 78 " | 79 " | 80 " | 81 " | 82 " | 83 " | 84 " | 85 " | 86 " | 87 " | 88 " | 89 " | 90 " | 91 " | 92 " | 93 " | 94 " | 95 " | 96 " | 97 " | 98 " | 99 " | 100 " |
revolution | 7.716049382716 × 10-7 r | 1.5432098765432 × 10-6 r | 2.3148148148148 × 10-6 r | 3.0864197530864 × 10-6 r | 3.858024691358 × 10-6 r | 4.6296296296296 × 10-6 r | 5.4012345679012 × 10-6 r | 6.1728395061728 × 10-6 r | 6.9444444444444 × 10-6 r | 7.716049382716 × 10-6 r | 8.4876543209877 × 10-6 r | 9.2592592592593 × 10-6 r | 1.0030864197531 × 10-5 r | 1.0802469135802 × 10-5 r | 1.1574074074074 × 10-5 r | 1.2345679012346 × 10-5 r | 1.3117283950617 × 10-5 r | 1.3888888888889 × 10-5 r | 1.466049382716 × 10-5 r | 1.5432098765432 × 10-5 r | 1.6203703703704 × 10-5 r | 1.6975308641975 × 10-5 r | 1.7746913580247 × 10-5 r | 1.8518518518519 × 10-5 r | 1.929012345679 × 10-5 r | 2.0061728395062 × 10-5 r | 2.0833333333333 × 10-5 r | 2.1604938271605 × 10-5 r | 2.2376543209877 × 10-5 r | 2.3148148148148 × 10-5 r | 2.391975308642 × 10-5 r | 2.4691358024691 × 10-5 r | 2.5462962962963 × 10-5 r | 2.6234567901235 × 10-5 r | 2.7006172839506 × 10-5 r | 2.7777777777778 × 10-5 r | 2.8549382716049 × 10-5 r | 2.9320987654321 × 10-5 r | 3.0092592592593 × 10-5 r | 3.0864197530864 × 10-5 r | 3.1635802469136 × 10-5 r | 3.2407407407407 × 10-5 r | 3.3179012345679 × 10-5 r | 3.3950617283951 × 10-5 r | 3.4722222222222 × 10-5 r | 3.5493827160494 × 10-5 r | 3.6265432098765 × 10-5 r | 3.7037037037037 × 10-5 r | 3.7808641975309 × 10-5 r | 3.858024691358 × 10-5 r | 3.9351851851852 × 10-5 r | 4.0123456790123 × 10-5 r | 4.0895061728395 × 10-5 r | 4.1666666666667 × 10-5 r | 4.2438271604938 × 10-5 r | 4.320987654321 × 10-5 r | 4.3981481481481 × 10-5 r | 4.4753086419753 × 10-5 r | 4.5524691358025 × 10-5 r | 4.6296296296296 × 10-5 r | 4.7067901234568 × 10-5 r | 4.783950617284 × 10-5 r | 4.8611111111111 × 10-5 r | 4.9382716049383 × 10-5 r | 5.0154320987654 × 10-5 r | 5.0925925925926 × 10-5 r | 5.1697530864198 × 10-5 r | 5.2469135802469 × 10-5 r | 5.3240740740741 × 10-5 r | 5.4012345679012 × 10-5 r | 5.4783950617284 × 10-5 r | 5.5555555555556 × 10-5 r | 5.6327160493827 × 10-5 r | 5.7098765432099 × 10-5 r | 5.787037037037 × 10-5 r | 5.8641975308642 × 10-5 r | 5.9413580246914 × 10-5 r | 6.0185185185185 × 10-5 r | 6.0956790123457 × 10-5 r | 6.1728395061728 × 10-5 r | 6.25 × 10-5 r | 6.3271604938272 × 10-5 r | 6.4043209876543 × 10-5 r | 6.4814814814815 × 10-5 r | 6.5586419753086 × 10-5 r | 6.6358024691358 × 10-5 r | 6.712962962963 × 10-5 r | 6.7901234567901 × 10-5 r | 6.8672839506173 × 10-5 r | 6.9444444444444 × 10-5 r | 7.0216049382716 × 10-5 r | 7.0987654320988 × 10-5 r | 7.1759259259259 × 10-5 r | 7.2530864197531 × 10-5 r | 7.3302469135802 × 10-5 r | 7.4074074074074 × 10-5 r | 7.4845679012346 × 10-5 r | 7.5617283950617 × 10-5 r | 7.6388888888889 × 10-5 r | 7.716049382716 × 10-5 r |
A second of arc, arcsecond (arcsec), arc second, or second arc is a unit of angular measurement equal to 1/3600 of one degree.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
arcsecond | " | ≡ 1°⁄3600 | ≈ 4.848137×10−6 rad | Metric system SI |
arcseconds | revolutions | arcseconds | revolutions |
---|---|---|---|
1 | ≈ 7.716049382716E-7 | 6 | ≈ 4.6296296296296E-6 |
2 | ≈ 1.5432098765432E-6 | 7 | ≈ 5.4012345679012E-6 |
3 | ≈ 2.3148148148148E-6 | 8 | ≈ 6.1728395061728E-6 |
4 | ≈ 3.0864197530864E-6 | 9 | ≈ 6.9444444444444E-6 |
5 | ≈ 3.858024691358E-6 | 10 | ≈ 7.716049382716E-6 |
A revolution is a unit of angle equal to 360°, defined as a complete turn around a circle. Plural name is revolutions.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
revolution | r | ≡ 360 ° | = 6.2831852 rad | Metric system SI |
revolutions | arcseconds | revolutions | arcseconds |
---|---|---|---|
1 | ≈ 1296000 | 6 | ≈ 7776000 |
2 | ≈ 2592000 | 7 | ≈ 9072000 |
3 | ≈ 3888000 | 8 | ≈ 10368000 |
4 | ≈ 5184000 | 9 | ≈ 11664000 |
5 | ≈ 6480000 | 10 | ≈ 12960000 |
arcseconds | revolutions |
---|---|
1 | ≈ 7.716049382716 × 10-7 |
1 296 000 | ≈ 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 …) |