Billable work changes fast, and Everhour helps keep time records ready when a free utilization check becomes recurring reporting.
Measure billable utilization against total capacity and see exactly how many hours you're leaving on the table each period.
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A free utilization rate calculation answers one practical question: what share of a person's or team's available time became billable work during the period. The basic ratio is billable hours divided by available hours, multiplied by 100. The result helps you spot underused capacity, overloaded delivery staff, and teams that look busy while too little time reaches clients.
The calculation also forces a denominator choice. Some firms use gross capacity, such as 40 hours per week. Others use working capacity after PTO, holidays, unpaid leave, or scheduled absences. Both answers are valid only when the label is clear. A 78.75% gross-capacity result and a 90% net-working-hours result can describe the same person in the same month.
A free calculator is enough when you have three numbers: billable hours, gross scheduled capacity, and any absence hours you want removed from the denominator. For a U.S. team, 40 weekly hours is a common gross baseline because federal overtime rules require covered nonexempt employees to receive overtime pay for hours worked over 40 in a fixed 168-hour workweek.
Federal law does not set a professional-services utilization target, and the FLSA does not define full-time or part-time employment. Treat the denominator as an employer policy. BLS uses 35 or more hours per week as a full-time statistical definition in CPS data, but that definition is statistical, not legal. Your utilization target should come from role, service line, or industry expectations.
The core formula is simple: utilization rate = billable hours ÷ available hours × 100. If a consultant records 126 billable hours in a month with 160 gross scheduled hours, gross-capacity utilization is 78.75%. If the same month includes 8 holiday hours and 12 PTO hours that the firm removes from capacity, net available hours equal 140, and net-working-hours utilization is 90%.
That difference is the main risk in manual comparisons. The numerator stayed fixed at 126 billable hours, but the denominator changed from 160 to 140. OECD-style actual-hours definitions exclude time not worked because of public holidays, annual paid leave, illness, parental leave, and similar absences, so actual-hours data is not the same denominator as gross capacity.
A one-off free calculation works for a quick monthly review, a proposal staffing check, or a sanity check before a finance meeting. It gives you the ratio without adding software or setup time. It falls short when managers need recurring approvals, capacity history, leave adjustments, billable versus non-billable classification, and a clean handoff to reporting.
Everhour fits the managed workflow once the same calculation repeats every week or month. Timecards record daily, weekly, and monthly work-hour totals, and Team Hours reporting compares working hours, project hours, time off, and weekly capacity. That gives managers the source records behind the utilization percentage instead of a spreadsheet number with no review trail.
This content is for general information only, may not be fully up to date, and is provided without any warranty or liability.
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Yes. Enter billable hours and available hours, then divide billable hours by available hours and multiply by 100. A free calculation is reliable for a single person, month, or project review when the inputs are already known. Paid systems become useful when time capture, approvals, time off, and recurring team reporting need the same denominator every period.
Use gross capacity when you want to compare against scheduled work capacity before absences. Use net capacity when you want to measure billable work against time actually available after PTO, holidays, unpaid leave, and similar absences. Label the result clearly, because the same billable hours produce a higher percentage when the denominator excludes nonworking time.
No. The FLSA does not define full-time or part-time employment, and U.S. federal sources do not set a professional-services utilization target. Many U.S. firms use 40 weekly hours as gross capacity because federal overtime rules apply after 40 hours worked in a workweek for covered nonexempt employees, but utilization remains a firm-defined metric.
Paid holidays belong in the calculation only if your denominator policy says they do. OPM lists 11 federal holidays in 2026 for federal employees, while private-sector paid holidays remain an employer policy unless another law or contract applies. If your firm uses net working capacity, subtract paid holidays before dividing billable hours by available hours.
Your internal report likely uses a different denominator, time classification, or absence policy. A free calculation may use gross scheduled hours, while the report may remove PTO, holidays, unpaid leave, or FMLA leave actually taken. Differences also appear when non-billable client work, admin time, or reclassified entries change the billable-hours numerator after review.
Everhour timecards support daily, weekly, and monthly work-hour totals, which gives managers a reviewed base for utilization checks. Team Hours reporting compares working hours, project hours, time off, and weekly capacity, so a team can see whether the denominator reflects actual availability before using the percentage in payroll review or capacity planning.
Use Everhour timecards and Team Hours reporting to compare working hours, project hours, time off, and weekly capacity before utilization numbers guide staffing decisions.
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