# Convert decimal hours to Excel time

=hours/24

To convert hours in decimal format to a valid Excel time, divide by 24. In the example shown the formula in C5 is:

=B5/24

which returns 0.04167, the equivalent of 1 hours. Cell D6 shows the same result formatted as time, which displays 1:00.

In the Excel date system, one day is equal to 1, so you can think of time as fractional values of 1, as shown in the table below:

Hours | Fraction | Value | Time |
---|---|---|---|

1 | 1/24 | 0.04167 | 1:00 |

3 | 3/24 | 0.125 | 3:00 |

6 | 6/24 | 0.25 | 6:00 |

4 | 4/24 | 0.167 | 4:00 |

8 | 8/24 | 0.333 | 8:00 |

12 | 12/24 | 0.5 | 12:00 |

18 | 18/24 | 0.75 | 18:00 |

21 | 21/24 | 0.875 | 21:00 |

This means if you have a decimal number for hours, you can simply divide by 24 to get the correct representation of hours in Excel. After dividing by 24, you can apply a time format of your choice, or use the result in a math operation with other dates or times.

In the example, since B10 contains 12 (representing 12 hours) the result is 12/24 = 0.5, since there are 12 hours in a half of day. Once a time format like h:mm has been applied, Excel will display 12:00.

### Durations longer than 24 hours

To display hours that represent a duration longer than 24 hours, you'll need to adjust the number format. Just wrap the h in square brackets like so:

[h]:mm

To display in minutes, you can do the same thing with m:

[m]

The brackets tell Excel the time is a duration, and not a time of day. This article explains number formats in more detail.

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