You can, you just have to understand it and how it is stored.

You can either use =D14+1/(24*60*60) and also format as [ss] or use
=(D14*86400)+1 and format as General.

--
HTH

Bob Phillips

"Jimbola" <Jimbola@discussions.microsoft.com> wrote in message
news:9F7E81EC-76F7-425B-8A6F-8C92B46F6A3A@microsoft.com...
> Ragdyer, The problem I find with this method is that you can't then do
> calculation on that cell. For example a time interval of 01:00:00

formatted
> as [ss] give you 3600 but then in another cell if you try adding 1 to it

you
> get 1.04, instead of 3601.
>
>
> J
>
> "Ragdyer" wrote:
>
> > If the time column is in "true" XL recognizable time format as you

stated
> > (hh:mm:ss), then all you have to do is format your total cell, or even

each
> > individual cell (if you choose) to the custom format:
> > [ss]
> > The square brackets prevent the seconds from rolling over into minutes,

and
> > then over into hours.
> >
> > You could also link your individual time cells to a separate column, and
> > format that column to [ss], so that you might have a displayed

comparison.
> > --
> > HTH,
> >
> > RD
> >

>
> --------------------------------------------------------------------------

-
> > Please keep all correspondence within the NewsGroup, so all may benefit

!
>
> --------------------------------------------------------------------------

-
> > "Ianukotnorth" <Ianukotnorth@discussions.microsoft.com> wrote in message
> > news:1B66EA6B-D025-4BC0-9260-DD4BE56CFD80@microsoft.com...
> > > I wish to compare the cost of telephone calls between various

telephone
> > > service providers available to me.
> > > I have downloaded a list of itemised call made by me from my present
> > > provider and I wish to compare the cost of each call if I had used
> > > alternative providers.
> > >
> > > I'm OK with the basic mathematical formulae - but I need to convert a

> > "Call
> > > Duration" in "hh:mm:ss" format to seconds.
> > >
> > > (I could use the "Text to columns" facility and then multiply the "

> > Minutes
> > > Column by 60 and the hours column by 360 - and add the three columns

> > together
> > > but feel this is clumsy when there must be a "nicer - easier way)
> > >
> > > Thanks for your help.
> > >
> > > Ian M

> >
> >