Everhour captures task and project hours accurately, while utilization still depends on the denominator your firm chooses.
Measure billable utilization against total capacity and see exactly how many hours you're leaving on the table each period.
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An accurate utilization calculation answers one practical question: how much of a person's available working capacity turned into billable work. The numerator is billable hours. The denominator is the available-hours base your firm chooses, such as gross capacity, working hours net of PTO and holidays, or total logged hours. The result only means something when the denominator is named beside the percentage.
Utilization is a services operations metric, not a federal legal rule. The FLSA does not define full-time or part-time employment, so a U.S. utilization denominator should treat full-time capacity as employer policy. Many firms use 40 weekly hours as a 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.
The basic formula is billable hours divided by available hours, multiplied by 100. For example, an employee with 126 billable hours in a 168-hour gross monthly capacity has 75% gross-capacity utilization. If that same month includes 24 hours of company-approved PTO or holidays and your policy nets those hours out, the denominator becomes 144 available hours and utilization becomes 87.5%.
Both numbers can be accurate, but they answer different questions. Gross-capacity utilization measures billable work against the full scheduled baseline. Net-working-hours utilization measures billable work against time the person was actually expected to work. A report that mixes both methods across employees creates false performance gaps, especially during months with holidays, vacation, sick leave, or unpaid leave.
Accuracy problems usually start before the division step. Billable hours must exclude internal meetings, admin work, training, business development, and other non-billable time unless your firm has a different written policy. Available hours must handle PTO, holidays, unpaid leave, and partial schedules consistently. The OECD definition of annual hours actually worked excludes time not worked because of public holidays, annual paid leave, illness, maternity or parental leave, and similar absences.
U.S. private employers also need policy clarity because federal law does not mandate paid vacation, sick leave, or federal holiday pay for private employers. OPM lists 11 federal holidays in 2026, but those are federal employee holidays. Private-sector paid holidays remain an employer policy matter unless another law or contract applies. Accurate utilization depends on applying that policy the same way every pay period.
A calculator is enough for a one-off check, a pricing review, or a quick comparison between gross-capacity and net-working-hours utilization. It works when you already trust the billable-hour total and the available-hours denominator. Use it to test one person, one project team, or one month before changing targets or staffing assumptions.
A managed workflow becomes necessary when utilization feeds staffing, billing, payroll review, or recurring management reports. Everhour Time Tracking captures task and project hours through timers or manual entries, works inside common project tools, and sends approved time into reporting, budgeting, invoicing, and payroll review workflows. Admin controls such as approvals, locked periods, reminders, and timer rules help protect the inputs before the utilization percentage is calculated.
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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Available hours are the denominator your firm defines for utilization. Common choices include gross capacity, working hours net of PTO and holidays, or total logged hours. Gross capacity often starts with a 40-hour week, or 2,080 annual gross hours, before company PTO, holidays, unpaid leave, and other nonworking time are subtracted by policy.
Utilization rises when PTO is excluded because the denominator gets smaller while billable hours stay the same. For example, 126 billable hours divided by 168 gross capacity hours equals 75%. The same 126 billable hours divided by 144 available hours after excluded PTO equals 87.5%. Both figures are valid only when the denominator is labeled.
A 100% utilization target leaves no capacity for internal work, training, management, business development, rework, or normal availability gaps. U.S. federal sources do not set a professional-services utilization target. The target utilization rate is a firm, role, service line, or industry benchmark choice, not a country-level legal input.
Utilization measures billable hours divided by available hours. Realization measures billed or collected value against billable value, depending on the firm's definition. A consultant can be highly utilized and still have weak realization if discounts, write-offs, scope creep, or unbilled time reduce the amount that turns into revenue.
Company policy controls holidays for most private-sector U.S. utilization denominators. The FLSA does not require payment for time not worked, including vacations, sick leave, or federal or other holidays. Many firms still exclude paid holidays from available hours because paid leave is part of their internal capacity policy.
Everhour Time Tracking records task and project hours through live timers or manual entries inside supported project tools such as Asana, ClickUp, GitHub, Jira, Monday, Notion, Trello, and others. Approved timesheets, locked periods, reminders, and timer rules help teams clean up time data before reports use it.
Everhour Resource Planning shows weekly capacity, time off, planned work, and actual tracked time on a visual timeline. Managers can set full-time, part-time, or custom weekly capacity per person, then compare planned capacity with tracked time to spot overallocated people and availability gaps.
Track approved task and project hours in Everhour, then use consistent time data for utilization, reporting, billing, and payroll review.
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