| 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 " |
| helf circle | 1.5432098765432 × 10-6 1/2 circle | 3.0864197530864 × 10-6 1/2 circle | 4.6296296296296 × 10-6 1/2 circle | 6.1728395061728 × 10-6 1/2 circle | 7.716049382716 × 10-6 1/2 circle | 9.2592592592593 × 10-6 1/2 circle | 1.0802469135802 × 10-5 1/2 circle | 1.2345679012346 × 10-5 1/2 circle | 1.3888888888889 × 10-5 1/2 circle | 1.5432098765432 × 10-5 1/2 circle | 1.6975308641975 × 10-5 1/2 circle | 1.8518518518519 × 10-5 1/2 circle | 2.0061728395062 × 10-5 1/2 circle | 2.1604938271605 × 10-5 1/2 circle | 2.3148148148148 × 10-5 1/2 circle | 2.4691358024691 × 10-5 1/2 circle | 2.6234567901235 × 10-5 1/2 circle | 2.7777777777778 × 10-5 1/2 circle | 2.9320987654321 × 10-5 1/2 circle | 3.0864197530864 × 10-5 1/2 circle | 3.2407407407407 × 10-5 1/2 circle | 3.3950617283951 × 10-5 1/2 circle | 3.5493827160494 × 10-5 1/2 circle | 3.7037037037037 × 10-5 1/2 circle | 3.858024691358 × 10-5 1/2 circle | 4.0123456790123 × 10-5 1/2 circle | 4.1666666666667 × 10-5 1/2 circle | 4.320987654321 × 10-5 1/2 circle | 4.4753086419753 × 10-5 1/2 circle | 4.6296296296296 × 10-5 1/2 circle | 4.783950617284 × 10-5 1/2 circle | 4.9382716049383 × 10-5 1/2 circle | 5.0925925925926 × 10-5 1/2 circle | 5.2469135802469 × 10-5 1/2 circle | 5.4012345679012 × 10-5 1/2 circle | 5.5555555555556 × 10-5 1/2 circle | 5.7098765432099 × 10-5 1/2 circle | 5.8641975308642 × 10-5 1/2 circle | 6.0185185185185 × 10-5 1/2 circle | 6.1728395061728 × 10-5 1/2 circle | 6.3271604938272 × 10-5 1/2 circle | 6.4814814814815 × 10-5 1/2 circle | 6.6358024691358 × 10-5 1/2 circle | 6.7901234567901 × 10-5 1/2 circle | 6.9444444444444 × 10-5 1/2 circle | 7.0987654320988 × 10-5 1/2 circle | 7.2530864197531 × 10-5 1/2 circle | 7.4074074074074 × 10-5 1/2 circle | 7.5617283950617 × 10-5 1/2 circle | 7.716049382716 × 10-5 1/2 circle | 7.8703703703704 × 10-5 1/2 circle | 8.0246913580247 × 10-5 1/2 circle | 8.179012345679 × 10-5 1/2 circle | 8.3333333333333 × 10-5 1/2 circle | 8.4876543209877 × 10-5 1/2 circle | 8.641975308642 × 10-5 1/2 circle | 8.7962962962963 × 10-5 1/2 circle | 8.9506172839506 × 10-5 1/2 circle | 9.1049382716049 × 10-5 1/2 circle | 9.2592592592593 × 10-5 1/2 circle | 9.4135802469136 × 10-5 1/2 circle | 9.5679012345679 × 10-5 1/2 circle | 9.7222222222222 × 10-5 1/2 circle | 9.8765432098765 × 10-5 1/2 circle | 0.0001003 1/2 circle | 0.0001019 1/2 circle | 0.0001034 1/2 circle | 0.0001049 1/2 circle | 0.0001065 1/2 circle | 0.0001080 1/2 circle | 0.0001096 1/2 circle | 0.0001111 1/2 circle | 0.0001127 1/2 circle | 0.0001142 1/2 circle | 0.0001157 1/2 circle | 0.0001173 1/2 circle | 0.0001188 1/2 circle | 0.0001204 1/2 circle | 0.0001219 1/2 circle | 0.0001235 1/2 circle | 0.000125 1/2 circle | 0.0001265 1/2 circle | 0.0001281 1/2 circle | 0.0001296 1/2 circle | 0.0001312 1/2 circle | 0.0001327 1/2 circle | 0.0001343 1/2 circle | 0.0001358 1/2 circle | 0.0001373 1/2 circle | 0.0001389 1/2 circle | 0.0001404 1/2 circle | 0.0001420 1/2 circle | 0.0001435 1/2 circle | 0.0001451 1/2 circle | 0.0001466 1/2 circle | 0.0001481 1/2 circle | 0.0001497 1/2 circle | 0.0001512 1/2 circle | 0.0001528 1/2 circle | 0.0001543 1/2 circle |
A second of arc, arcsecond (arcsec), arc second, or second arc is a unit of angular measurement equal to 1/3600 of one degree.
| 1 arcseconds ≈ 1.5432098765432E-6 helf circles | 6 arcseconds ≈ 9.2592592592593E-6 helf circles |
| 2 arcseconds ≈ 3.0864197530864E-6 helf circles | 7 arcseconds ≈ 1.0802469135802E-5 helf circles |
| 3 arcseconds ≈ 4.6296296296296E-6 helf circles | 8 arcseconds ≈ 1.2345679012346E-5 helf circles |
| 4 arcseconds ≈ 6.1728395061728E-6 helf circles | 9 arcseconds ≈ 1.3888888888889E-5 helf circles |
| 5 arcseconds ≈ 7.716049382716E-6 helf circles | 10 arcseconds ≈ 1.5432098765432E-5 helf circles |
1/2 circle or half circle is equal to 360°/2 = 180°. Plural name is helf circles.
| 1 helf circles ≈ 648000 arcseconds | 6 helf circles ≈ 3888000 arcseconds |
| 2 helf circles ≈ 1296000 arcseconds | 7 helf circles ≈ 4536000 arcseconds |
| 3 helf circles ≈ 1944000 arcseconds | 8 helf circles ≈ 5184000 arcseconds |
| 4 helf circles ≈ 2592000 arcseconds | 9 helf circles ≈ 5832000 arcseconds |
| 5 helf circles ≈ 3240000 arcseconds | 10 helf circles ≈ 6480000 arcseconds |
| 1 arcseconds ≈ 1.5432098765432 × 10-6 helf circles |
| 1 helf circles ≈ 648 000 arcseconds |