| eighth circle | 1 1/8 circle | 2 1/8 circle | 3 1/8 circle | 4 1/8 circle | 5 1/8 circle | 6 1/8 circle | 7 1/8 circle | 8 1/8 circle | 9 1/8 circle | 10 1/8 circle | 11 1/8 circle | 12 1/8 circle | 13 1/8 circle | 14 1/8 circle | 15 1/8 circle | 16 1/8 circle | 17 1/8 circle | 18 1/8 circle | 19 1/8 circle | 20 1/8 circle | 21 1/8 circle | 22 1/8 circle | 23 1/8 circle | 24 1/8 circle | 25 1/8 circle | 26 1/8 circle | 27 1/8 circle | 28 1/8 circle | 29 1/8 circle | 30 1/8 circle | 31 1/8 circle | 32 1/8 circle | 33 1/8 circle | 34 1/8 circle | 35 1/8 circle | 36 1/8 circle | 37 1/8 circle | 38 1/8 circle | 39 1/8 circle | 40 1/8 circle | 41 1/8 circle | 42 1/8 circle | 43 1/8 circle | 44 1/8 circle | 45 1/8 circle | 46 1/8 circle | 47 1/8 circle | 48 1/8 circle | 49 1/8 circle | 50 1/8 circle | 51 1/8 circle | 52 1/8 circle | 53 1/8 circle | 54 1/8 circle | 55 1/8 circle | 56 1/8 circle | 57 1/8 circle | 58 1/8 circle | 59 1/8 circle | 60 1/8 circle | 61 1/8 circle | 62 1/8 circle | 63 1/8 circle | 64 1/8 circle | 65 1/8 circle | 66 1/8 circle | 67 1/8 circle | 68 1/8 circle | 69 1/8 circle | 70 1/8 circle | 71 1/8 circle | 72 1/8 circle | 73 1/8 circle | 74 1/8 circle | 75 1/8 circle | 76 1/8 circle | 77 1/8 circle | 78 1/8 circle | 79 1/8 circle | 80 1/8 circle | 81 1/8 circle | 82 1/8 circle | 83 1/8 circle | 84 1/8 circle | 85 1/8 circle | 86 1/8 circle | 87 1/8 circle | 88 1/8 circle | 89 1/8 circle | 90 1/8 circle | 91 1/8 circle | 92 1/8 circle | 93 1/8 circle | 94 1/8 circle | 95 1/8 circle | 96 1/8 circle | 97 1/8 circle | 98 1/8 circle | 99 1/8 circle | 100 1/8 circle |
| sextant | 0.75 " | 1.5 " | 2.25 " | 3 " | 3.75 " | 4.5 " | 5.25 " | 6 " | 6.75 " | 7.5 " | 8.25 " | 9 " | 9.75 " | 10.5 " | 11.25 " | 12 " | 12.75 " | 13.5 " | 14.25 " | 15 " | 15.75 " | 16.5 " | 17.25 " | 18 " | 18.75 " | 19.5 " | 20.25 " | 21 " | 21.75 " | 22.5 " | 23.25 " | 24 " | 24.75 " | 25.5 " | 26.25 " | 27 " | 27.75 " | 28.5 " | 29.25 " | 30 " | 30.75 " | 31.5 " | 32.25 " | 33 " | 33.75 " | 34.5 " | 35.25 " | 36 " | 36.75 " | 37.5 " | 38.25 " | 39 " | 39.75 " | 40.5 " | 41.25 " | 42 " | 42.75 " | 43.5 " | 44.25 " | 45 " | 45.75 " | 46.5 " | 47.25 " | 48 " | 48.75 " | 49.5 " | 50.25 " | 51 " | 51.75 " | 52.5 " | 53.25 " | 54 " | 54.75 " | 55.5 " | 56.25 " | 57 " | 57.75 " | 58.5 " | 59.25 " | 60 " | 60.75 " | 61.5 " | 62.25 " | 63 " | 63.75 " | 64.5 " | 65.25 " | 66 " | 66.75 " | 67.5 " | 68.25 " | 69 " | 69.75 " | 70.5 " | 71.25 " | 72 " | 72.75 " | 73.5 " | 74.25 " | 75 " |
1/8 circle or eighth circle is equal to 360/8 = 45°. Plural name is eighth circles.
| 1 eighth circles ≈ 0.75 sextants | 6 eighth circles ≈ 4.5 sextants |
| 2 eighth circles ≈ 1.5 sextants | 7 eighth circles ≈ 5.25 sextants |
| 3 eighth circles ≈ 2.25 sextants | 8 eighth circles ≈ 6 sextants |
| 4 eighth circles ≈ 3 sextants | 9 eighth circles ≈ 6.75 sextants |
| 5 eighth circles ≈ 3.75 sextants | 10 eighth circles ≈ 7.5 sextants |
sextant is the unit of plane angle, equals to 60°.
| 1 sextants ≈ 1.3333333333333 eighth circles | 6 sextants ≈ 8 eighth circles |
| 2 sextants ≈ 2.6666666666667 eighth circles | 7 sextants ≈ 9.3333333333333 eighth circles |
| 3 sextants ≈ 4 eighth circles | 8 sextants ≈ 10.666666666667 eighth circles |
| 4 sextants ≈ 5.3333333333333 eighth circles | 9 sextants ≈ 12 eighth circles |
| 5 sextants ≈ 6.6666666666667 eighth circles | 10 sextants ≈ 13.333333333333 eighth circles |
| 1 eighth circles ≈ 0.75 sextants |
| 1 sextants ≈ 1.3333333 eighth circles |