About the Utilization Rate Calculator
Billable utilization rate: billable hours as a percentage of total available hours — for freelancers, agencies and staff.
Also known as: billable utilization, employee utilization, resource utilization.
How to use this calculator
- Enter billable hours, total available hours.
- The result updates instantly as you type — press Calculate (or Enter) at any time.
- Open “Step-by-step” to see how the answer was worked out.
- Use Copy result or Share to save the answer or send a link with your inputs.
Formula
Utilization rate = Billable hours ÷ Total available hours × 100
Worked example
Using the values pre-filled in the calculator above:
- Billable hours = 28
- Total available hours = 40
the calculator returns:
- Utilization rate: 70%
Working
Utilization rate = 28 ÷ 40 × 100 = 70%