Microsoft Office Tutorials and References
In Depth Information
Converting decimal hours, minutes, or seconds to a time
Converting decimal hours, minutes, or seconds to a time
To convert decimal hours to a time, divide the decimal hours by 24. For example, if cell A1
contains 9.25 (representing hours), this formula returns 09:15:00 (9 hours, 15 minutes):
=A1/24
To convert decimal minutes to a time, divide the decimal hours by 1,440 (the number of
minutes in a day). For example, if cell A1 contains 500 (representing minutes), the
following formula returns 08:20:00 (8 hours, 20 minutes):
=A1/1440
To convert decimal seconds to a time, divide the decimal hours by 86,400 (the number of
seconds in a day). For example, if cell A1 contains 65,000 (representing seconds), the
following formula returns 18:03:20 (18 hours, 3 minutes, and 20 seconds):
=A1/86400
Adding hours, minutes, or seconds to a time
You can use the TIME function to add any number of hours, minutes, or seconds to a time.
For example, assume that cell A1 contains a time. The following formula adds 2 hours and
30 minutes to that time and displays the result:
=A1+TIME(2,30,0)
You can use the TIME function to ﬁ fill a range of cells with incremental times. Figure 16.8
shows a worksheet with a series of times in ten-minute increments. Cell A1 contains a time
that was entered directly. Cell A2 contains the following formula, which was copied down
the column:
=A1+TIME(0,10,0)
FIGURE 16.8
Using a formula to create a series of incremental times
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