Your problem is that you are mixing decimal hours with times. Had you showed
the formula you are using, it would have been much easier to point you in
the proper direction of a solution. Without it, my guess is you want:
=(a2-a1)*24-a3
Format as general or a number.

Regards,
Fred.

"acetoolguy" wrote in message
...
I was a row that looks this..

Arrival Departure Lunch total hours
7:00 am 5:00 pm .5 9.5

I cant seem to get the 1/2 hour lunch to deduct. I have 5 pm - 7am =10 ok

Its a line on an invoice so it also needs to be clear, no military time
for
example.
Thanks for any help...