Millimeter per Hour to Kilometer per Second Conversion
Convert between Millimeter per Hour and Kilometer per Second quickly and accurately.
How to Convert Millimeter per Hour to Kilometer per Second
Conversion Formula
Example
Convert 15 mm/h to km/s:
Unit Information
Learn about the speed units you're converting between
Millimeter per Hour
mm/h
Definition
The millimeter per hour is a unit of speed representing the distance of one millimeter traveled in one hour. It is used for measuring extremely slow speeds such as the growth rates of crystals, the movement of tectonic plates, or other very slow processes.
History/Origin
Millimeter per hour was developed for measuring extremely slow geological and biological processes. It became essential in crystallography, geology, and other sciences where processes occur at rates too slow to measure in larger units.
Current Use
Millimeter per hour is used in geology for measuring tectonic plate movement, in crystallography for crystal growth rates, in some biological studies for very slow growth processes, and in precision manufacturing applications.
Multiplier
3E-7
Offset
0
Kilometer per Second
km/s
Definition
The kilometer per second is a unit of speed representing the distance of one kilometer traveled in one second. It is used for measuring extremely high speeds such as those of spacecraft, projectiles, or other high-velocity objects in physics and engineering.
History/Origin
Kilometer per second was developed for measuring extremely high velocities in physics, astronomy, and aerospace engineering. It became essential for expressing speeds of spacecraft, satellites, and other high-velocity objects in space exploration.
Current Use
Kilometer per second is used in aerospace engineering for spacecraft velocities, in physics for high-speed particle studies, in astronomy for celestial object speeds, and in military applications for projectile velocities.
Multiplier
1000
Offset
0
Millimeter per Hour to Kilometer per Second Conversion Table
| Millimeter per Hour [mm/h] | Kilometer per Second [km/s] |
|---|---|
| 1 mm/h | 3E-10 km/s |
| 10 mm/h | 3E-9 km/s |
| 25 mm/h | 7E-9 km/s |
| 50 mm/h | 1E-8 km/s |
| 100 mm/h | 3E-8 km/s |
| 0 mm/h | 0E+0 km/s |
| -10 mm/h | -3E-9 km/s |
| -40 mm/h | -1E-8 km/s |
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