How to use this calculator
- Enter billable hours, available work hours.
- Choose a display currency, then select Calculate. Results also update after a brief pause while you edit.
- Read the result with the assumptions below. Export details or save a second scenario to compare your choices.
Formula and method
Utilization=billable hours/available hours×100%.
Assumptions and limitations
Define available hours consistently and avoid counting nonbillable work as revenue-producing time.
Worked example
With billable hours = 120, available work hours = 160, billable utilization is approximately 75%.
What the result means
Measure the share of available working time billed to clients.
Common questions
How should I interpret billable utilization?
Measure the share of available working time billed to clients.
What should I check before using this result?
Define available hours consistently and avoid counting nonbillable work as revenue-producing time.
Methodology and transparency
Calculation specification reviewed on 2026-10-14. Mathematical implementation is tested against independent reference fixtures. This does not imply review by a licensed financial professional. Read the testing and precision policy.