Degree per Hour to Revolution per Minute Conversion

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

From Degree per Hour

°/h

To Revolution per Minute

r/min

How to Convert Degree per Hour to Revolution per Minute

Conversion Formula

1 °/h = 0 r/min

1 r/min = 21600 °/h

Example

Convert 15 °/h to r/min:

15 °/h = 15 × 0 r/min = 0.001 r/min

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 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