Problems with time format in excel

[Guest]

I have a spreadsheet with data that represents mins and seconds i.e. 13:30 =
13 mins 30 seconds. When I try to total the column, Excel thinks 13
represents hours and resets when it gets to 24. I have tried to change the
format via Custom/special and time but nothing seems to work. I need to add
up the total number of minutes and seconds (this is a mobile phone bill!).

Hope someone can help, thank you in advance.

Cheers, T

 

[Guest]

change 13:30 to 0:13:30

 

[RagDyeR]

Since there are 60 seconds in a minute, and 60 minutes in an hour, you can
simply use the hours that XL *thinks* you're using, and just consider the
hours as your minutes.

Simply format the cell containing the total formula to:

[h]:mm

That way you won't have to enter any additional numbers.
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HTH,

RD
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I have a spreadsheet with data that represents mins and seconds i.e. 13:30 =
13 mins 30 seconds. When I try to total the column, Excel thinks 13
represents hours and resets when it gets to 24. I have tried to change the
format via Custom/special and time but nothing seems to work. I need to add
up the total number of minutes and seconds (this is a mobile phone bill!).

Hope someone can help, thank you in advance.

Cheers, T