Radian to Revolution Converter (and vice versa)
Created by: tinycalcs.com/en
Number of supported units: 2
Last update: 2026
This converter allows you to convert radians [rad] to revolutions [r] or revolutions [r] to radians [rad]. Calculations are performed in both directions. The calculation result and the entered value are displayed with up to 20 decimal places for maximum accuracy.
Convert radians to revolutions
There are two simple ways to convert radians [rad] to revolutions [r]. In the first calculation method, the value in radians [rad] is divided by the rounded conversion factor of 6.2832. The second method multiplies the value in radians [rad] by the rounded conversion factor of 0.1592.
- Revolutions [r] ≈ radians [rad] ÷ 6.2832
- Revolutions [r] ≈ radians [rad] * 0.1592
However, rounded conversion values are only suitable for rough conversions, as rounding errors can occur in the calculation result. The most accurate conversion of radians [rad] to revolutions [r] can be achieved using the following calculation method.
- Revolutions [r] = radians [rad] ÷ π ÷ 2
Convert revolutions to radians
Converting revolutions [r] to radians [rad] is easy and can be done in two ways. The first method involves multiplication, in which the value in revolutions [r] is multiplied by the rounded conversion factor of 6.2832. The second variant is a division. Here, the value in revolutions [r] is divided by the rounded conversion factor of 0.1592.
- Radians [rad] ≈ revolutions [r] * 6.2832
- Radians [rad] ≈ revolutions [r] ÷ 0.1592
However, rounded conversion values do not allow for exact calculations because rounding errors can occur in the calculation result. The most accurate conversion of revolutions [r] to radians [rad] can be achieved using the following calculation method.
- Radians [rad] = revolutions [r] * π * 2
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