Billable Hours Calculator
Estimate annual billable hours after admin and non-client work.
Result
Annual billable hours1,440
- Weekly billable hours
- 30
- Billable utilization
- 75.00%
- Total weekly hours
- 40
The estimate removes non-billable time before projecting a year. Utilization is the share of weekly working time available for paid work.
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Formula
Annual billable hours = (Total weekly hours − Non-billable weekly hours) × Working weeks
Worked example
40 total hours, 10 non-billable hours and 48 working weeks.
30 hours are billable per week: 1,440 annually, with 75.00% utilization.
How to use
- Estimate total weekly work time.
- Subtract time spent on non-client activities.
- Enter working weeks and calculate realistic annual capacity.
Frequently asked questions
What counts as non-billable time?
Common examples are invoicing, prospecting, bookkeeping and internal learning. Client meetings may be billable if your agreement includes them.
What if I have no working hours?
Zero hours produce zero billable time. This tool reports 0% utilization for that case because no capacity is available.