Calculating billable hours is straightforward: you take how much you've worked and multiply it by your hourly rate. ... All you have to do is track time and separate billable from non-billable hours, and
What percentage of hours should be billable?
Over the long run, the expectation is that you should be averaging 40 billable hours a week - assuming you have productive work to do. If you don't have client work to do, escalate to your manager or to an engagement manager for any projects you're on.
How do lawyers calculate billable hours?
The common way to break down the hourly rate for billing is to use tenths of an hour (each 1/10 is a 6 minute interval), or quarters of an hour (each ¼ is a 15 minute interval). For example, a 5 minute phone call would either be billed at 1/10 (. 10) of an hour, or at ¼ (.