| 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 " |
| quarter circle | 3.0864197530864 × 10-6 1/4 circle | 6.1728395061728 × 10-6 1/4 circle | 9.2592592592593 × 10-6 1/4 circle | 1.2345679012346 × 10-5 1/4 circle | 1.5432098765432 × 10-5 1/4 circle | 1.8518518518519 × 10-5 1/4 circle | 2.1604938271605 × 10-5 1/4 circle | 2.4691358024691 × 10-5 1/4 circle | 2.7777777777778 × 10-5 1/4 circle | 3.0864197530864 × 10-5 1/4 circle | 3.3950617283951 × 10-5 1/4 circle | 3.7037037037037 × 10-5 1/4 circle | 4.0123456790123 × 10-5 1/4 circle | 4.320987654321 × 10-5 1/4 circle | 4.6296296296296 × 10-5 1/4 circle | 4.9382716049383 × 10-5 1/4 circle | 5.2469135802469 × 10-5 1/4 circle | 5.5555555555556 × 10-5 1/4 circle | 5.8641975308642 × 10-5 1/4 circle | 6.1728395061728 × 10-5 1/4 circle | 6.4814814814815 × 10-5 1/4 circle | 6.7901234567901 × 10-5 1/4 circle | 7.0987654320988 × 10-5 1/4 circle | 7.4074074074074 × 10-5 1/4 circle | 7.716049382716 × 10-5 1/4 circle | 8.0246913580247 × 10-5 1/4 circle | 8.3333333333333 × 10-5 1/4 circle | 8.641975308642 × 10-5 1/4 circle | 8.9506172839506 × 10-5 1/4 circle | 9.2592592592593 × 10-5 1/4 circle | 9.5679012345679 × 10-5 1/4 circle | 9.8765432098765 × 10-5 1/4 circle | 0.0001019 1/4 circle | 0.0001049 1/4 circle | 0.0001080 1/4 circle | 0.0001111 1/4 circle | 0.0001142 1/4 circle | 0.0001173 1/4 circle | 0.0001204 1/4 circle | 0.0001235 1/4 circle | 0.0001265 1/4 circle | 0.0001296 1/4 circle | 0.0001327 1/4 circle | 0.0001358 1/4 circle | 0.0001389 1/4 circle | 0.0001420 1/4 circle | 0.0001451 1/4 circle | 0.0001481 1/4 circle | 0.0001512 1/4 circle | 0.0001543 1/4 circle | 0.0001574 1/4 circle | 0.0001605 1/4 circle | 0.0001636 1/4 circle | 0.0001667 1/4 circle | 0.0001698 1/4 circle | 0.0001728 1/4 circle | 0.0001759 1/4 circle | 0.0001790 1/4 circle | 0.0001821 1/4 circle | 0.0001852 1/4 circle | 0.0001883 1/4 circle | 0.0001914 1/4 circle | 0.0001944 1/4 circle | 0.0001975 1/4 circle | 0.0002006 1/4 circle | 0.0002037 1/4 circle | 0.0002068 1/4 circle | 0.0002099 1/4 circle | 0.0002130 1/4 circle | 0.0002160 1/4 circle | 0.0002191 1/4 circle | 0.0002222 1/4 circle | 0.0002253 1/4 circle | 0.0002284 1/4 circle | 0.0002315 1/4 circle | 0.0002346 1/4 circle | 0.0002377 1/4 circle | 0.0002407 1/4 circle | 0.0002438 1/4 circle | 0.0002469 1/4 circle | 0.00025 1/4 circle | 0.0002531 1/4 circle | 0.0002562 1/4 circle | 0.0002593 1/4 circle | 0.0002623 1/4 circle | 0.0002654 1/4 circle | 0.0002685 1/4 circle | 0.0002716 1/4 circle | 0.0002747 1/4 circle | 0.0002778 1/4 circle | 0.0002809 1/4 circle | 0.0002840 1/4 circle | 0.0002870 1/4 circle | 0.0002901 1/4 circle | 0.0002932 1/4 circle | 0.0002963 1/4 circle | 0.0002994 1/4 circle | 0.0003025 1/4 circle | 0.0003056 1/4 circle | 0.0003086 1/4 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 ≈ 3.0864197530864E-6 quarter circles | 6 arcseconds ≈ 1.8518518518519E-5 quarter circles |
| 2 arcseconds ≈ 6.1728395061728E-6 quarter circles | 7 arcseconds ≈ 2.1604938271605E-5 quarter circles |
| 3 arcseconds ≈ 9.2592592592593E-6 quarter circles | 8 arcseconds ≈ 2.4691358024691E-5 quarter circles |
| 4 arcseconds ≈ 1.2345679012346E-5 quarter circles | 9 arcseconds ≈ 2.7777777777778E-5 quarter circles |
| 5 arcseconds ≈ 1.5432098765432E-5 quarter circles | 10 arcseconds ≈ 3.0864197530864E-5 quarter circles |
1/4 circle or quarter circle is equal to 360°/4 = 90°. Plural name is quarter circles.
| 1 quarter circles ≈ 324000 arcseconds | 6 quarter circles ≈ 1944000 arcseconds |
| 2 quarter circles ≈ 648000 arcseconds | 7 quarter circles ≈ 2268000 arcseconds |
| 3 quarter circles ≈ 972000 arcseconds | 8 quarter circles ≈ 2592000 arcseconds |
| 4 quarter circles ≈ 1296000 arcseconds | 9 quarter circles ≈ 2916000 arcseconds |
| 5 quarter circles ≈ 1620000 arcseconds | 10 quarter circles ≈ 3240000 arcseconds |
| 1 arcseconds ≈ 3.0864197530864 × 10-6 quarter circles |
| 1 quarter circles ≈ 324 000 arcseconds |