# Convert Kilometers Per Second

Kilometers per second is a measure of speed.
Kilometer per second is a metric unit of measure, and can be abbreviated as *km/sec*. For example 1 kilometer per second can be written as 1 km/sec.

## Kilometer Per Second Conversion Calculators

Choose an imperial or metric unit to convert kilometers per second to.

- Convert kilometers per second to knots
- 1 kilometer per second is equal to 1,944 knots
- Convert kilometers per second to mach
- 1 kilometer per second is equal to 2.915452 mach
- Convert kilometers per second to speed of sound
- 1 kilometer per second is equal to 2.915452 speed of sound
- Convert kilometers per second to miles per hour
- 1 kilometer per second is equal to 2,237 miles per hour
- Convert kilometers per second to feet per second
- 1 kilometer per second is equal to 3,281 feet per second
- Convert kilometers per second to kilometers per hour
- 1 kilometer per second is equal to 3,600 kilometers per hour
- Convert kilometers per second to meters per second
- 1 kilometer per second is equal to 1,000 meters per second
- Convert kilometers per second to centimeters per second
- 1 kilometer per second is equal to 100,000 centimeters per second

We have many more speed conversion tools that you might also find useful.

## Kilometers Per Second Measurement Conversion Table

kilometers per second | knots | mach | speed of sound | miles per hour | feet per second | kilometers per hour | meters per second | centimeters per second |
---|---|---|---|---|---|---|---|---|

1 km/sec | 1,944 kn | 2.915452 M | 2.915452 | 2,237 mph | 3,281 ft/sec | 3,600 km/h | 1,000 m/sec | 100,000 cm/sec |

2 km/sec | 3,888 kn | 5.830904 M | 5.830904 | 4,474 mph | 6,562 ft/sec | 7,200 km/h | 2,000 m/sec | 200,000 cm/sec |

3 km/sec | 5,832 kn | 8.746356 M | 8.746356 | 6,711 mph | 9,843 ft/sec | 10,800 km/h | 3,000 m/sec | 300,000 cm/sec |

4 km/sec | 7,775 kn | 11.661808 M | 11.661808 | 8,948 mph | 13,123 ft/sec | 14,400 km/h | 4,000 m/sec | 400,000 cm/sec |

5 km/sec | 9,719 kn | 14.577259 M | 14.577259 | 11,185 mph | 16,404 ft/sec | 18,000 km/h | 5,000 m/sec | 500,000 cm/sec |

6 km/sec | 11,663 kn | 17.492711 M | 17.492711 | 13,422 mph | 19,685 ft/sec | 21,600 km/h | 6,000 m/sec | 600,000 cm/sec |

7 km/sec | 13,607 kn | 20.408163 M | 20.408163 | 15,659 mph | 22,966 ft/sec | 25,200 km/h | 7,000 m/sec | 700,000 cm/sec |

8 km/sec | 15,551 kn | 23.323615 M | 23.323615 | 17,895 mph | 26,247 ft/sec | 28,800 km/h | 8,000 m/sec | 800,000 cm/sec |

9 km/sec | 17,495 kn | 26.239067 M | 26.239067 | 20,132 mph | 29,528 ft/sec | 32,400 km/h | 9,000 m/sec | 900,000 cm/sec |

10 km/sec | 19,438 kn | 29.154519 M | 29.154519 | 22,369 mph | 32,808 ft/sec | 36,000 km/h | 10,000 m/sec | 1,000,000 cm/sec |

11 km/sec | 21,382 kn | 32.069971 M | 32.069971 | 24,606 mph | 36,089 ft/sec | 39,600 km/h | 11,000 m/sec | 1,100,000 cm/sec |

12 km/sec | 23,326 kn | 34.985423 M | 34.985423 | 26,843 mph | 39,370 ft/sec | 43,200 km/h | 12,000 m/sec | 1,200,000 cm/sec |

13 km/sec | 25,270 kn | 37.900875 M | 37.900875 | 29,080 mph | 42,651 ft/sec | 46,800 km/h | 13,000 m/sec | 1,300,000 cm/sec |

14 km/sec | 27,214 kn | 40.816327 M | 40.816327 | 31,317 mph | 45,932 ft/sec | 50,400 km/h | 14,000 m/sec | 1,400,000 cm/sec |

15 km/sec | 29,158 kn | 43.731778 M | 43.731778 | 33,554 mph | 49,213 ft/sec | 54,000 km/h | 15,000 m/sec | 1,500,000 cm/sec |

16 km/sec | 31,102 kn | 46.64723 M | 46.64723 | 35,791 mph | 52,493 ft/sec | 57,600 km/h | 16,000 m/sec | 1,600,000 cm/sec |

17 km/sec | 33,045 kn | 49.562682 M | 49.562682 | 38,028 mph | 55,774 ft/sec | 61,200 km/h | 17,000 m/sec | 1,700,000 cm/sec |

18 km/sec | 34,989 kn | 52.478134 M | 52.478134 | 40,265 mph | 59,055 ft/sec | 64,800 km/h | 18,000 m/sec | 1,800,000 cm/sec |

19 km/sec | 36,933 kn | 55.393586 M | 55.393586 | 42,502 mph | 62,336 ft/sec | 68,400 km/h | 19,000 m/sec | 1,900,000 cm/sec |

20 km/sec | 38,877 kn | 58.309038 M | 58.309038 | 44,739 mph | 65,617 ft/sec | 72,000 km/h | 20,000 m/sec | 2,000,000 cm/sec |