| helf circle | 1 1/2 circle | 2 1/2 circle | 3 1/2 circle | 4 1/2 circle | 5 1/2 circle | 6 1/2 circle | 7 1/2 circle | 8 1/2 circle | 9 1/2 circle | 10 1/2 circle | 11 1/2 circle | 12 1/2 circle | 13 1/2 circle | 14 1/2 circle | 15 1/2 circle | 16 1/2 circle | 17 1/2 circle | 18 1/2 circle | 19 1/2 circle | 20 1/2 circle | 21 1/2 circle | 22 1/2 circle | 23 1/2 circle | 24 1/2 circle | 25 1/2 circle | 26 1/2 circle | 27 1/2 circle | 28 1/2 circle | 29 1/2 circle | 30 1/2 circle | 31 1/2 circle | 32 1/2 circle | 33 1/2 circle | 34 1/2 circle | 35 1/2 circle | 36 1/2 circle | 37 1/2 circle | 38 1/2 circle | 39 1/2 circle | 40 1/2 circle | 41 1/2 circle | 42 1/2 circle | 43 1/2 circle | 44 1/2 circle | 45 1/2 circle | 46 1/2 circle | 47 1/2 circle | 48 1/2 circle | 49 1/2 circle | 50 1/2 circle | 51 1/2 circle | 52 1/2 circle | 53 1/2 circle | 54 1/2 circle | 55 1/2 circle | 56 1/2 circle | 57 1/2 circle | 58 1/2 circle | 59 1/2 circle | 60 1/2 circle | 61 1/2 circle | 62 1/2 circle | 63 1/2 circle | 64 1/2 circle | 65 1/2 circle | 66 1/2 circle | 67 1/2 circle | 68 1/2 circle | 69 1/2 circle | 70 1/2 circle | 71 1/2 circle | 72 1/2 circle | 73 1/2 circle | 74 1/2 circle | 75 1/2 circle | 76 1/2 circle | 77 1/2 circle | 78 1/2 circle | 79 1/2 circle | 80 1/2 circle | 81 1/2 circle | 82 1/2 circle | 83 1/2 circle | 84 1/2 circle | 85 1/2 circle | 86 1/2 circle | 87 1/2 circle | 88 1/2 circle | 89 1/2 circle | 90 1/2 circle | 91 1/2 circle | 92 1/2 circle | 93 1/2 circle | 94 1/2 circle | 95 1/2 circle | 96 1/2 circle | 97 1/2 circle | 98 1/2 circle | 99 1/2 circle | 100 1/2 circle |
| sixth circle | 3 1/6 circle | 6 1/6 circle | 9 1/6 circle | 12 1/6 circle | 15 1/6 circle | 18 1/6 circle | 21 1/6 circle | 24 1/6 circle | 27 1/6 circle | 30 1/6 circle | 33 1/6 circle | 36 1/6 circle | 39 1/6 circle | 42 1/6 circle | 45 1/6 circle | 48 1/6 circle | 51 1/6 circle | 54 1/6 circle | 57 1/6 circle | 60 1/6 circle | 63 1/6 circle | 66 1/6 circle | 69 1/6 circle | 72 1/6 circle | 75 1/6 circle | 78 1/6 circle | 81 1/6 circle | 84 1/6 circle | 87 1/6 circle | 90 1/6 circle | 93 1/6 circle | 96 1/6 circle | 99 1/6 circle | 102 1/6 circle | 105 1/6 circle | 108 1/6 circle | 111 1/6 circle | 114 1/6 circle | 117 1/6 circle | 120 1/6 circle | 123 1/6 circle | 126 1/6 circle | 129 1/6 circle | 132 1/6 circle | 135 1/6 circle | 138 1/6 circle | 141 1/6 circle | 144 1/6 circle | 147 1/6 circle | 150 1/6 circle | 153 1/6 circle | 156 1/6 circle | 159 1/6 circle | 162 1/6 circle | 165 1/6 circle | 168 1/6 circle | 171 1/6 circle | 174 1/6 circle | 177 1/6 circle | 180 1/6 circle | 183 1/6 circle | 186 1/6 circle | 189 1/6 circle | 192 1/6 circle | 195 1/6 circle | 198 1/6 circle | 201 1/6 circle | 204 1/6 circle | 207 1/6 circle | 210 1/6 circle | 213 1/6 circle | 216 1/6 circle | 219 1/6 circle | 222 1/6 circle | 225 1/6 circle | 228 1/6 circle | 231 1/6 circle | 234 1/6 circle | 237 1/6 circle | 240 1/6 circle | 243 1/6 circle | 246 1/6 circle | 249 1/6 circle | 252 1/6 circle | 255 1/6 circle | 258 1/6 circle | 261 1/6 circle | 264 1/6 circle | 267 1/6 circle | 270 1/6 circle | 273 1/6 circle | 276 1/6 circle | 279 1/6 circle | 282 1/6 circle | 285 1/6 circle | 288 1/6 circle | 291 1/6 circle | 294 1/6 circle | 297 1/6 circle | 300 1/6 circle |
1/2 circle or half circle is equal to 360°/2 = 180°. Plural name is helf circles.
| 1 helf circles = 3 sixth circles | 6 helf circles = 18 sixth circles |
| 2 helf circles = 6 sixth circles | 7 helf circles = 21 sixth circles |
| 3 helf circles = 9 sixth circles | 8 helf circles = 24 sixth circles |
| 4 helf circles = 12 sixth circles | 9 helf circles = 27 sixth circles |
| 5 helf circles = 15 sixth circles | 10 helf circles = 30 sixth circles |
1/6 circle or sixth circle is equal to 360°/6 = 60°. Plural name is sixth circles.
| 1 sixth circles = 0.33333333333333 helf circles | 6 sixth circles = 2 helf circles |
| 2 sixth circles = 0.66666666666667 helf circles | 7 sixth circles = 2.3333333333333 helf circles |
| 3 sixth circles = 1 helf circles | 8 sixth circles = 2.6666666666667 helf circles |
| 4 sixth circles = 1.3333333333333 helf circles | 9 sixth circles = 3 helf circles |
| 5 sixth circles = 1.6666666666667 helf circles | 10 sixth circles = 3.3333333333333 helf circles |
| 1 helf circles = 3 sixth circles |
| 1 sixth circles = 0.3333333 helf circles |