As we know One r/d is equal to 0.2617993878 rad/h (1 r/d = 0.2617993878 rad/h).

To convert Revolution/day to Radian/hour, multiply your r/d figure by 0.2617993878.

Example : convert 25 r/d to rad/h:

25 r/d = 25 × 0.2617993878 rad/h = rad/h

To convert Radian/hour to Revolution/day, divide your rad/h figure by 0.2617993878.

Example : convert 25 rad/h to r/d:

25 rad/h = 25 ÷ 0.2617993878 r/d = r/d