Convert circles to radians and back instantly with formula and common values.
To convert circles to radians, multiply by 6.28319.
| Circles | Radians |
|---|---|
| 1 | 6.2832 |
| 5 | 31.4159 |
| 10 | 62.8319 |
| 25 | 157.0796 |
| 50 | 314.1593 |
| 100 | 628.3185 |
| 500 | 3,141.5926 |
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Multiply by 6.28319. For example, 4.2 circle × 6.28319 = 26.3894 rad.
The formula is: rad = circle × 6.28319.
One circle equals 6.2832 radians.