# Convert Hours to Seconds

Enter the time in hours below to get the value converted to seconds.

**Results in Seconds:**

## How to Convert Hours to Seconds

To convert a hour measurement to a second measurement, multiply the time by the conversion ratio. One hour is equal to 3,600 seconds, so use this simple formula to convert:

The time in seconds is equal to the hours multiplied by 3,600.

**For example,**here's how to convert 5 hours to seconds using the formula above.

Hours and seconds are both units used to measure time. Keep reading to learn more about each unit of measure.

## Hours

The hour is a period of time equal to 1/24 of a day or 60 minutes.

The hour is an SI accepted unit for time for use with the metric system. Hours can be abbreviated as *hr*, for example 1 hour can be written as 1 hr.

## Seconds

The second has historically been defined as 1/60 of a minute or 1/86,400 of a day. The SI defines the second as the duration of 9,192,631,770 periods of the radiation corresponding to the transition between the two hyperfine levels of the ground state of the caesium 133 atom.

The second is the SI base unit for time in the metric system. Seconds can be abbreviated as *sec*, for example 1 second can be written as 1 sec.

## Hour Measurements and Equivalent Second Conversions

Hours | Seconds |
---|---|

1 hr | 3,600 sec |

2 hr | 7,200 sec |

3 hr | 10,800 sec |

4 hr | 14,400 sec |

5 hr | 18,000 sec |

6 hr | 21,600 sec |

7 hr | 25,200 sec |

8 hr | 28,800 sec |

9 hr | 32,400 sec |

10 hr | 36,000 sec |

11 hr | 39,600 sec |

12 hr | 43,200 sec |

13 hr | 46,800 sec |

14 hr | 50,400 sec |

15 hr | 54,000 sec |

16 hr | 57,600 sec |

17 hr | 61,200 sec |

18 hr | 64,800 sec |

19 hr | 68,400 sec |

20 hr | 72,000 sec |

21 hr | 75,600 sec |

22 hr | 79,200 sec |

23 hr | 82,800 sec |

24 hr | 86,400 sec |

25 hr | 90,000 sec |

26 hr | 93,600 sec |

27 hr | 97,200 sec |

28 hr | 100,800 sec |

29 hr | 104,400 sec |

30 hr | 108,000 sec |

31 hr | 111,600 sec |

32 hr | 115,200 sec |

33 hr | 118,800 sec |

34 hr | 122,400 sec |

35 hr | 126,000 sec |

36 hr | 129,600 sec |

37 hr | 133,200 sec |

38 hr | 136,800 sec |

39 hr | 140,400 sec |

40 hr | 144,000 sec |

## More Hour Time Conversions

- Convert to Centuries
- 1 hr is equal to 1.1408E-6 centuries
- Convert to Decades
- 1 hr is equal to 1.1408E-5 decades
- Convert to Years
- 1 hr is equal to 0.000114 years
- Convert to Months
- 1 hr is equal to 0.001369 months
- Convert to Weeks
- 1 hr is equal to 0.005952 weeks
- Convert to Days
- 1 hr is equal to 0.041667 days
- Convert to Minutes
- 1 hr is equal to 60 minutes
- Convert to Milliseconds
- 1 hr is equal to 3,600,000 milliseconds
- Convert to Microseconds
- 1 hr is equal to 3,600,000,000 microseconds
- Convert to Nanoseconds
- 1 hr is equal to 3,600,000,000,000 nanoseconds