How to calculate total hours worked in a timesheet?

I would like for the cloked time in and the clocked time out calculate the total hours worked.  Is that possible?

Yes, that is possible. You can use the time field for time in, time out. I've used form calculation widget to calculate the total of time in and time out.

Sample formula:

You can test my sample form here https://form.jotform.com/90287480159969