Radian per Day to Revolution per Minute Conversion

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

From Radian per Day

rad/d

To Revolution per Minute

r/min

How to Convert Radian per Day to Revolution per Minute

Conversion Formula

1 rad/d = 0 r/min

1 r/min = 9047.787 rad/d

Example

Convert 15 rad/d to r/min:

15 rad/d = 15 × 0 r/min = 0.002 r/min

Unit Information

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

Radian per Day

rad/d

Definition

The radian per day is a unit of angular velocity representing the rate of angular displacement over a 24-hour period. It is commonly used for very slow rotational motions such as astronomical phenomena, geological processes, and long-term mechanical systems.

History/Origin

Radian per day was developed for measuring extremely slow angular 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

Radian 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

Revolution per Minute

r/min

Definition

The revolution per minute (RPM) is a unit of angular velocity representing the number of complete rotations over a one-minute period. It is the most commonly used unit for measuring rotational speeds in mechanical systems, motors, and industrial equipment.

History/Origin

Revolution per minute was established as the standard unit for measuring rotational speeds in mechanical engineering and industrial applications. It provides a practical and intuitive measure for describing how fast rotating equipment operates in manufacturing and mechanical systems.

Current Use

RPM is widely used in mechanical engineering for motor specifications, in automotive industry for engine speeds, in industrial automation for describing equipment performance, and in manufacturing for monitoring rotational equipment performance in production processes.

Multiplier

0.105

Offset