Radian per Hour to Revolution per Minute Conversion

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

From Radian per Hour

rad/h

To Revolution per Minute

r/min

How to Convert Radian per Hour to Revolution per Minute

Conversion Formula

1 rad/h = 0.003 r/min

1 r/min = 376.991 rad/h

Example

Convert 15 rad/h to r/min:

15 rad/h = 15 × 0.003 r/min = 0.04 r/min

Unit Information

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

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

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