Billable Hours Calculator
Calculate billable hours from your own entered figures.
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Currency: Amounts are calculated in the currency you select; this site does not convert between currencies and does not use live exchange rates.
What this tool does
Calculate billable hours from your own entered figures. Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
How to use the Billable Hours Calculator
- Enter or select total hours worked in the period.
- Enter or select billable hours in the period.
- Enter or select billable hourly rate.
- Enter or select target utilization (%).
- Read the calculated result; change any measurement to compare alternatives.
Formula
utilization=billable hours/total hours×100; revenue=billable hours×hourly rate; billable hours needed for target=total hours×target utilization/100
- total
- Total hours worked in the period
- billableHours
- Billable hours in the period
- rate
- Billable hourly rate
- target
- Target utilization (%)
Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
Worked example
For billable hours calculator, the following measurements illustrate the exact method: Total hours worked in the period: 40; Billable hours in the period: 30; Billable hourly rate: 150; Target utilization (%): 75.
Inputs
- Total hours worked in the period40
- Billable hours in the period30
- Billable hourly rate150
- Target utilization (%)75
Result
- Utilization rate (%)75
- Billable revenue$4,500.00
- Non-billable hours10
- Additional billable hours needed to hit target0
Results explained
- Utilization rate (%)
- Utilization rate (%) from the formula above. Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
- Billable revenue
- Billable revenue from the formula above. Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
- Non-billable hours
- Non-billable hours from the formula above. Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
- Additional billable hours needed to hit target
- Additional billable hours needed to hit target from the formula above. Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
Frequently asked questions
utilization=billable hours/total hours×100; revenue=billable hours×hourly rate; billable hours needed for target=total hours×target utilization/100
Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.
No. All numbers are entered by you or come from the dated reference table shown on this page; calculations run locally.
This is an estimate, not financial, tax or legal advice. Verify the inputs and output with official sources and a qualified professional.
Check period consistency, currency, percentage inputs and the assumptions: Utilization is measured over the period entered; what counts as billable (travel, revisions, write-offs) is defined by your firm or contracts, not by this calculator.