EngiRef / Angle conversion
Convert Radians to Revolutions (rad to rev)
1 rad = 0.159154943 rev. Convert radians to revolutions with the exact factor, a common-values table and a free converter.
Conversion factor
rev = rad × 0.159154943
1 rad = 0.159154943 rev
Multiply by 0.159154943 rev to go from radians to revolutions, or divide by it to come back. The factor and every value below are computed by the same converter that runs at /convert, so this page and the tool cannot disagree.
rad to rev table
| Radians (rad) | Revolutions (rev) |
|---|---|
| 1 rad | 0.159154943 rev |
| 2 rad | 0.318309886 rev |
| 5 rad | 0.795774715 rev |
| 10 rad | 1.59154943 rev |
| 20 rad | 3.18309886 rev |
| 50 rad | 7.95774715 rev |
| 100 rad | 15.9154943 rev |
Every figure is computed at build time by the site’s own converter from the angle unit registry. For a value that is not listed, put it into the interactive converter.
Frequently asked questions
How many revolutions are in one radian?
One radian is 0.159154943 rev, so 100 rad is 15.9154943 rev.
What is the formula to convert radians to revolutions?
rev = rad × 0.159154943. Multiply the value in radians by 0.159154943 to get revolutions.
How do I convert revolutions back to radians?
rad = rev × 6.28318531, so 1 rev is 6.28318531 rad. The rev to rad page carries the same table in that direction.