Degree per Hour to Revolution per Day Conversion

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

From Degree per Hour

°/h

To Revolution per Day

r/d

How to Convert Degree per Hour to Revolution per Day

Conversion Formula

1 °/h = 0.067 r/d

1 r/d = 15 °/h

Example

Convert 15 °/h to r/d:

15 °/h = 15 × 0.067 r/d = 1 r/d

Unit Information

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

Degree per Hour

°/h

Definition

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

History/Origin

Degree per hour was established as an intermediate unit between degree per second and degree per day for measuring angular velocities in various applications. It provides a convenient scale for describing rotational speeds using familiar degree measurements.

Current Use

Degree 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

Offset

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

Offset