Utilization Rate Calculator
Measure utilization, realization and collection separately, and multiply them to see the share of your capacity that reaches the bank.
Last reviewed
·Free · No sign-up · Runs in your browser
Three percentages decide how much of a lawyer’s year turns into money, and they measure completely different failures. Utilization is how much of the available day becomes recorded billable time. Realization is how much of that survives to an invoice. Collection is how much of the invoice is paid.
Reporting only one of them hides the problem. This calculator measures all three from the same period and multiplies them into an overall yield.
Result
Overall yield
84.76%
Effective rate per hour recorded
$296.67
- Utilization rate
- 62.5%
- Realization rate
- 91.67%
- Collection rate
- 92.47%
- Non-billable hours
- 180
- Value of time recorded
- $105,000
- Value invoiced
- $96,250
- Value lost
- $16,000
This tool performs arithmetic on the values you enter. It does not provide legal advice and does not create an attorney-client relationship.
Utilization measures how much of the available day becomes recorded billable time. Realization measures how much of that survives to an invoice. Collection measures how much of the invoice is paid.
Multiply the three together and you get the overall yield - the share of theoretical capacity that reaches the bank.
How to use the utilization rate calculator
- Enter the total working hours available in the period.
- Enter the billable hours actually recorded, and the hours that reached an invoice.
- Enter the cash collected and your standard rate.
- Compare the three rates and read the overall yield.
What people use this for
- Diagnosing whether a revenue shortfall is a time problem or a billing problem.
- Comparing timekeepers on the metric that actually matters.
- Setting realistic targets that account for all three stages.
- Building a case for administrative support by quantifying lost utilization.
Worked examples
Every figure below is produced by running this calculator against the example inputs, so the numbers always match the tool.
A reasonable quarter
480 available hours, 300 recorded, 275 invoiced, $89,000 collected at a $350 standard rate.
- Overall yield
- 84.76%
- Utilization rate
- 62.5%
- Realization rate
- 91.67%
High utilization, poor collection
The same recorded hours but only $68,000 collected.
- Effective rate per hour recorded
- $178.95
- Utilization rate
- 79.17%
- Collection rate
- 60.71%
Each percentage points at a different fix
Low utilization means too much of the day is going to work that cannot be billed - administration, supervision, business development, or simply not enough matters. The fix is workload or support.
Low realization means recorded time is being written down before invoicing: over-servicing, scope creep, or work the client would not accept. The fix is scoping and supervision. Low collection means invoices are not being paid, and the fix is billing discipline and earlier conversations about money.
Why they multiply rather than add
Each stage operates on what survived the previous one. Eighty percent utilization, ninety percent realization and ninety percent collection is not 87% average - it is 64.8% of theoretical capacity reaching the bank.
That compounding is why a modest improvement in the weakest of the three is usually worth more than a large improvement in the strongest, and why measuring only one of them is misleading.
Methodology and assumptions
What this calculator does, and what it deliberately does not do.
- Utilization = recorded billable hours ÷ available hours. Realization = invoiced hours ÷ recorded hours.
- Collection = cash collected ÷ invoiced value at the standard rate. Overall yield = collected ÷ recorded value.
- The effective rate divides cash collected by hours recorded.
- The tool performs arithmetic or date counting on the values you enter. It does not interpret a rule, a statute or a contract.
- Nothing you type is transmitted or stored - the calculation runs entirely inside your browser.
This website provides general informational and productivity tools and does not provide legal advice or create an attorney-client relationship.
The date and deadline tools count days exactly as you instruct them. They do not interpret court rules, statutes of limitation, filing requirements or any other legal authority, and they do not know the rules of your jurisdiction.
Always verify any date, fee, or calculation against the governing rule, the court calendar and your own professional judgement. If you need legal advice, consult a lawyer licensed in your jurisdiction.
Frequently asked questions
What counts as available hours?
Working hours in the period, excluding holiday and leave. Whether to exclude training, firm meetings and business development is a policy choice - be consistent across timekeepers.
What is a good utilization rate?
It varies enormously by role, seniority and practice area. Comparing against your own previous periods is far more useful than against a published benchmark.
Which of the three should I fix first?
The weakest one, almost always. Because they multiply, the largest gain comes from raising the lowest number rather than pushing the highest one higher.
Does this work for a whole firm?
Yes - enter firm-wide totals instead of individual ones. The interpretation is the same.
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