Revolution per Day to Radian per Hour Conversion

Convert between Revolution per Day and Radian per Hour quickly and accurately.

r/d
rad/h

How to Convert Revolution per Day to Radian per Hour

Conversion Formula

1 r/d = 0.262 rad/h
1 rad/h = 3.82 r/d

Example

Convert 15 r/d to rad/h:

15 r/d = 15 × 0.262 rad/h = 3.927 rad/h

Unit Information

Learn about the velocity - angular units you're converting between

Revolution per Day

r/d

Definition

The revolution per day is a unit of angular velocity representing the number of complete rotations over a 24-hour period. It is commonly used for measuring very slow rotational motions in astronomical, geological, and mechanical applications.

History/Origin

Revolution per day was developed for measuring extremely slow rotational velocities in astronomical observations and geological studies. It provides a practical unit for describing the Earth's rotation, planetary movements, and other celestial phenomena that occur over extended time periods.

Current Use

Revolution per day is primarily used in astronomy for describing planetary rotation rates, in geology for measuring tectonic plate movements, and in environmental monitoring for tracking slow changes in natural systems over extended periods.

Multiplier

0

Offset

0

Radian per Hour

rad/h

Definition

The radian per hour is a unit of angular velocity representing the rate of angular displacement over a one-hour period. It is used for measuring moderate-speed rotational motions in mechanical systems, astronomical observations, and industrial applications.

History/Origin

Radian per hour was established as an intermediate unit between radian per second and radian per day for measuring angular velocities in mechanical and astronomical applications. It provides a convenient scale for describing rotational speeds in various engineering contexts.

Current Use

Radian per hour is used in mechanical engineering for describing slow motor speeds, in astronomy for tracking celestial object movements, and in industrial applications for monitoring rotational equipment performance over hourly intervals.

Multiplier

0

Offset

0

Revolution per Day to Radian per Hour Conversion Table

Revolution per Day [r/d] Radian per Hour [rad/h]
1 r/d 0.261799 rad/h
10 r/d 2.617994 rad/h
25 r/d 6.544985 rad/h
50 r/d 13.089969 rad/h
100 r/d 26.179939 rad/h
0 r/d 0E+0 rad/h
-10 r/d -2.617994 rad/h
-40 r/d -10.471976 rad/h