Instant · Precise · Universal
32 units available
7 categories total
To m/s: × 1,000. To km/h: × 3,600. To mph: × 2,237.
1 km/s = 1,000 m/s = 3,600 km/h. There are 1,000 meters in a kilometer.
For example, 1 Kilometer per Second (km/s) = 6000000 Centimeter per Minute (cm/min).
| Kilometer per Second (km/s) | Centimeter per Minute (cm/min) |
|---|---|
| 0.1 | 600000 |
| 0.5 | 3000000 |
| 1 | 6000000 |
| 2 | 12000000 |
| 5 | 30000000 |
| 10 | 60000000 |
| 25 | 150000000 |
| 50 | 300000000 |
| 100 | 600000000 |
| 500 | 3000000000 |
| 1000 | 6000000000 |
Kilometer per second measures how many kilometers an object travels in one second. Used for very high-speed phenomena like spacecraft, asteroids, and planetary motion.
1 km/s = 1,000 m/s = 3,600 km/h. There are 1,000 meters in a kilometer.
To m/s: × 1,000. To km/h: × 3,600. To mph: × 2,237.
Earth's orbital speed: 29.78 km/s. Moon's orbital speed: 1.02 km/s. Space shuttle orbital speed: 7.8 km/s. Meteor entry: 11–72 km/s.
Solar system escape velocity: 42 km/s. Voyager 1 speed: 17 km/s. Fastest star (S4714 near black hole): 24,000 km/s (8% light speed).
Underestimating the scale — 1 km/s is 3,600 km/h, extremely fast. Confusing with m/s (1000× smaller).
Think of km/s as 'space speeds.' Earth orbits at ~30 km/s. To escape Earth: 11.2 km/s. Moon orbit: ~1 km/s.
Centimeter per minute measures distance in centimeters traveled over one minute. Used for small-scale, slow-moving processes.
1 cm/min = 0.01 m/min = 0.0001667 m/s = 0.0006 km/h.
To m/s: ÷ 6,000. To m/min: ÷ 100. To mm/min: × 10.
Snail movement (1–2 cm/min), slow laboratory stirrers, small conveyor systems, and plant growth measurements (fast-growing plants).
Garden snail: ~1 cm/min. Sloth movement: ~2 cm/min. Fast-growing bamboo shoots: up to 1.5 cm/min during peak growth.
Confusing with cm/s (60× faster) or cm/h (60× slower).
100 cm/min = 1 m/min. Good for measuring small creatures or slow mechanical processes.



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