| sixth circle | 1 1/6 circle | 2 1/6 circle | 3 1/6 circle | 4 1/6 circle | 5 1/6 circle | 6 1/6 circle | 7 1/6 circle | 8 1/6 circle | 9 1/6 circle | 10 1/6 circle | 11 1/6 circle | 12 1/6 circle | 13 1/6 circle | 14 1/6 circle | 15 1/6 circle | 16 1/6 circle | 17 1/6 circle | 18 1/6 circle | 19 1/6 circle | 20 1/6 circle | 21 1/6 circle | 22 1/6 circle | 23 1/6 circle | 24 1/6 circle | 25 1/6 circle | 26 1/6 circle | 27 1/6 circle | 28 1/6 circle | 29 1/6 circle | 30 1/6 circle | 31 1/6 circle | 32 1/6 circle | 33 1/6 circle | 34 1/6 circle | 35 1/6 circle | 36 1/6 circle | 37 1/6 circle | 38 1/6 circle | 39 1/6 circle | 40 1/6 circle | 41 1/6 circle | 42 1/6 circle | 43 1/6 circle | 44 1/6 circle | 45 1/6 circle | 46 1/6 circle | 47 1/6 circle | 48 1/6 circle | 49 1/6 circle | 50 1/6 circle | 51 1/6 circle | 52 1/6 circle | 53 1/6 circle | 54 1/6 circle | 55 1/6 circle | 56 1/6 circle | 57 1/6 circle | 58 1/6 circle | 59 1/6 circle | 60 1/6 circle | 61 1/6 circle | 62 1/6 circle | 63 1/6 circle | 64 1/6 circle | 65 1/6 circle | 66 1/6 circle | 67 1/6 circle | 68 1/6 circle | 69 1/6 circle | 70 1/6 circle | 71 1/6 circle | 72 1/6 circle | 73 1/6 circle | 74 1/6 circle | 75 1/6 circle | 76 1/6 circle | 77 1/6 circle | 78 1/6 circle | 79 1/6 circle | 80 1/6 circle | 81 1/6 circle | 82 1/6 circle | 83 1/6 circle | 84 1/6 circle | 85 1/6 circle | 86 1/6 circle | 87 1/6 circle | 88 1/6 circle | 89 1/6 circle | 90 1/6 circle | 91 1/6 circle | 92 1/6 circle | 93 1/6 circle | 94 1/6 circle | 95 1/6 circle | 96 1/6 circle | 97 1/6 circle | 98 1/6 circle | 99 1/6 circle | 100 1/6 circle |
| angular mil | 67,906.1102109 µ | 135,812.2204218 µ | 203,718.3306327 µ | 271,624.4408436 µ | 339,530.5510545 µ | 407,436.6612654 µ | 475,342.7714763 µ | 543,248.8816872 µ | 611,154.9918981 µ | 679,061.1021090 µ | 746,967.2123199 µ | 814,873.3225307 µ | 882,779.4327416 µ | 950,685.5429525 µ | 1,018,591.6531634 µ | 1,086,497.7633743 µ | 1,154,403.8735852 µ | 1,222,309.9837961 µ | 1,290,216.094007 µ | 1,358,122.2042179 µ | 1,426,028.3144288 µ | 1,493,934.4246397 µ | 1,561,840.5348506 µ | 1,629,746.6450615 µ | 1,697,652.7552724 µ | 1,765,558.8654833 µ | 1,833,464.9756942 µ | 1,901,371.0859051 µ | 1,969,277.196116 µ | 2,037,183.3063269 µ | 2,105,089.4165378 µ | 2,172,995.5267487 µ | 2,240,901.6369595 µ | 2,308,807.7471704 µ | 2,376,713.8573813 µ | 2,444,619.9675922 µ | 2,512,526.0778031 µ | 2,580,432.188014 µ | 2,648,338.2982249 µ | 2,716,244.4084358 µ | 2,784,150.5186467 µ | 2,852,056.6288576 µ | 2,919,962.7390685 µ | 2,987,868.8492794 µ | 3,055,774.9594903 µ | 3,123,681.0697012 µ | 3,191,587.1799121 µ | 3,259,493.290123 µ | 3,327,399.4003339 µ | 3,395,305.5105448 µ | 3,463,211.6207557 µ | 3,531,117.7309666 µ | 3,599,023.8411775 µ | 3,666,929.9513883 µ | 3,734,836.0615992 µ | 3,802,742.1718101 µ | 3,870,648.282021 µ | 3,938,554.3922319 µ | 4,006,460.5024428 µ | 4,074,366.6126537 µ | 4,142,272.7228646 µ | 4,210,178.8330755 µ | 4,278,084.9432864 µ | 4,345,991.0534973 µ | 4,413,897.1637082 µ | 4,481,803.2739191 µ | 4,549,709.38413 µ | 4,617,615.4943409 µ | 4,685,521.6045518 µ | 4,753,427.7147627 µ | 4,821,333.8249736 µ | 4,889,239.9351845 µ | 4,957,146.0453954 µ | 5,025,052.1556063 µ | 5,092,958.2658172 µ | 5,160,864.376028 µ | 5,228,770.4862389 µ | 5,296,676.5964498 µ | 5,364,582.7066607 µ | 5,432,488.8168716 µ | 5,500,394.9270825 µ | 5,568,301.0372934 µ | 5,636,207.1475043 µ | 5,704,113.2577152 µ | 5,772,019.3679261 µ | 5,839,925.478137 µ | 5,907,831.5883479 µ | 5,975,737.6985588 µ | 6,043,643.8087697 µ | 6,111,549.9189806 µ | 6,179,456.0291915 µ | 6,247,362.1394024 µ | 6,315,268.2496133 µ | 6,383,174.3598242 µ | 6,451,080.4700351 µ | 6,518,986.580246 µ | 6,586,892.6904568 µ | 6,654,798.8006677 µ | 6,722,704.9108786 µ | 6,790,611.0210895 µ |
1/6 circle or sixth circle is equal to 360°/6 = 60°. Plural name is sixth circles.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| sixth circle | 1/6 circle | ≡ 60° | = 1.047197533 rad | Metric system SI |
| sixth circles | angular mils | sixth circles | angular mils |
|---|---|---|---|
| 1 | ≈ 67906.110210895 | 6 | ≈ 407436.66126537 |
| 2 | ≈ 135812.22042179 | 7 | ≈ 475342.77147627 |
| 3 | ≈ 203718.33063269 | 8 | ≈ 543248.88168716 |
| 4 | ≈ 271624.44084358 | 9 | ≈ 611154.99189806 |
| 5 | ≈ 339530.55105448 | 10 | ≈ 679061.10210895 |
A angular mil is the unit of angular measurement equal to 1/6400 of a complete circle. At 1000 metres one mil subtends about one metre (~0,98 m). Also 1/6000 and 1/6300 are used in other countries.
| Name of unit | Symbol | Definition | Relation to SI units | Unit System |
|---|---|---|---|---|
| angular mil | µ | ≡ 2π⁄6400 rad | ≈ 0.981748×10−3 rad | Metric system SI |
| angular mils | sixth circles | angular mils | sixth circles |
|---|---|---|---|
| 1 | ≈ 1.47262153125E-5 | 6 | ≈ 8.8357291875E-5 |
| 2 | ≈ 2.9452430625E-5 | 7 | ≈ 0.0001030835071875 |
| 3 | ≈ 4.41786459375E-5 | 8 | ≈ 0.0001178097225 |
| 4 | ≈ 5.890486125E-5 | 9 | ≈ 0.0001325359378125 |
| 5 | ≈ 7.36310765625E-5 | 10 | ≈ 0.000147262153125 |
| sixth circles | angular mils |
|---|---|
| 1 | ≈ 67,906.1102109 |
| 1.47262153125 × 10-5 | ≈ 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 …) |