full circle | 1 circle | 2 circle | 3 circle | 4 circle | 5 circle | 6 circle | 7 circle | 8 circle | 9 circle | 10 circle | 11 circle | 12 circle | 13 circle | 14 circle | 15 circle | 16 circle | 17 circle | 18 circle | 19 circle | 20 circle | 21 circle | 22 circle | 23 circle | 24 circle | 25 circle | 26 circle | 27 circle | 28 circle | 29 circle | 30 circle | 31 circle | 32 circle | 33 circle | 34 circle | 35 circle | 36 circle | 37 circle | 38 circle | 39 circle | 40 circle | 41 circle | 42 circle | 43 circle | 44 circle | 45 circle | 46 circle | 47 circle | 48 circle | 49 circle | 50 circle | 51 circle | 52 circle | 53 circle | 54 circle | 55 circle | 56 circle | 57 circle | 58 circle | 59 circle | 60 circle | 61 circle | 62 circle | 63 circle | 64 circle | 65 circle | 66 circle | 67 circle | 68 circle | 69 circle | 70 circle | 71 circle | 72 circle | 73 circle | 74 circle | 75 circle | 76 circle | 77 circle | 78 circle | 79 circle | 80 circle | 81 circle | 82 circle | 83 circle | 84 circle | 85 circle | 86 circle | 87 circle | 88 circle | 89 circle | 90 circle | 91 circle | 92 circle | 93 circle | 94 circle | 95 circle | 96 circle | 97 circle | 98 circle | 99 circle | 100 circle |
quarter circle | 4 1/4 circle | 8 1/4 circle | 12 1/4 circle | 16 1/4 circle | 20 1/4 circle | 24 1/4 circle | 28 1/4 circle | 32 1/4 circle | 36 1/4 circle | 40 1/4 circle | 44 1/4 circle | 48 1/4 circle | 52 1/4 circle | 56 1/4 circle | 60 1/4 circle | 64 1/4 circle | 68 1/4 circle | 72 1/4 circle | 76 1/4 circle | 80 1/4 circle | 84 1/4 circle | 88 1/4 circle | 92 1/4 circle | 96 1/4 circle | 100 1/4 circle | 104 1/4 circle | 108 1/4 circle | 112 1/4 circle | 116 1/4 circle | 120 1/4 circle | 124 1/4 circle | 128 1/4 circle | 132 1/4 circle | 136 1/4 circle | 140 1/4 circle | 144 1/4 circle | 148 1/4 circle | 152 1/4 circle | 156 1/4 circle | 160 1/4 circle | 164 1/4 circle | 168 1/4 circle | 172 1/4 circle | 176 1/4 circle | 180 1/4 circle | 184 1/4 circle | 188 1/4 circle | 192 1/4 circle | 196 1/4 circle | 200 1/4 circle | 204 1/4 circle | 208 1/4 circle | 212 1/4 circle | 216 1/4 circle | 220 1/4 circle | 224 1/4 circle | 228 1/4 circle | 232 1/4 circle | 236 1/4 circle | 240 1/4 circle | 244 1/4 circle | 248 1/4 circle | 252 1/4 circle | 256 1/4 circle | 260 1/4 circle | 264 1/4 circle | 268 1/4 circle | 272 1/4 circle | 276 1/4 circle | 280 1/4 circle | 284 1/4 circle | 288 1/4 circle | 292 1/4 circle | 296 1/4 circle | 300 1/4 circle | 304 1/4 circle | 308 1/4 circle | 312 1/4 circle | 316 1/4 circle | 320 1/4 circle | 324 1/4 circle | 328 1/4 circle | 332 1/4 circle | 336 1/4 circle | 340 1/4 circle | 344 1/4 circle | 348 1/4 circle | 352 1/4 circle | 356 1/4 circle | 360 1/4 circle | 364 1/4 circle | 368 1/4 circle | 372 1/4 circle | 376 1/4 circle | 380 1/4 circle | 384 1/4 circle | 388 1/4 circle | 392 1/4 circle | 396 1/4 circle | 400 1/4 circle |
Full circle is a traditional unit of plane angle. It is equal to 360 degrees. Plural name is full circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
full circle | circle | ≡ 360 ° | = 6.2831852 rad | Metric system SI |
full circles | quarter circles | full circles | quarter circles |
---|---|---|---|
1 | = 4 | 6 | = 24 |
2 | = 8 | 7 | = 28 |
3 | = 12 | 8 | = 32 |
4 | = 16 | 9 | = 36 |
5 | = 20 | 10 | = 40 |
1/4 circle or quarter circle is equal to 360°/4 = 90°. Plural name is quarter circles.
Name of unit | Symbol | Definition | Relation to SI units | Unit System |
---|---|---|---|---|
quarter circle | 1/4 circle | ≡ 45 ° | = 1.5707963 rad | Metric system SI |
quarter circles | full circles | quarter circles | full circles |
---|---|---|---|
1 | = 0.25 | 6 | = 1.5 |
2 | = 0.5 | 7 | = 1.75 |
3 | = 0.75 | 8 | = 2 |
4 | = 1 | 9 | = 2.25 |
5 | = 1.25 | 10 | = 2.5 |
full circles | quarter circles |
---|---|
1 | = 4 |
0.25 | = 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 …) |