Everhour tracks time off and work hours together, helping teams keep utilization inputs separate from productivity signals.
Measure billable utilization against total capacity and see exactly how many hours you're leaving on the table each period.
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Utilization rate measures how much of a defined capacity became billable work. The core ratio is billable hours divided by available hours, then multiplied by 100. Productivity measures output against an input, such as revenue per available hour, tasks completed per working hour, or deliverables completed per person. A utilization calculator answers a capacity question first, not a quality or output question.
A U.S. services team must define available hours as a policy input. The FLSA does not define full-time employment, and it does not require payment for time not worked, including vacations, sick leave, or holidays. Many firms start from a 40-hour gross weekly capacity because federal overtime rules require covered nonexempt employees to receive overtime pay for hours worked over 40 in a fixed 168-hour workweek.
Utilization rate uses this formula: billable hours ÷ available hours × 100. If a consultant has 40 available hours and logs 37 billable hours, utilization is 92.5%. If the person also logs 7 non-billable internal hours, total logged time is 44 hours. That extra work does not raise utilization because the numerator stays billable hours.
Productivity needs its own numerator. At a $130 standard billing rate, 37 billable hours carry $4,810 of standard billable value. Spread across 40 available hours, that equals $120.25 per available hour. A different team can show lower utilization but higher productivity if it completes higher-value work, invoices at a higher rate, or finishes the same deliverable with fewer total hours.
Utilization, productivity, realization, efficiency, and capacity utilization do not describe the same result. Utilization compares billable hours with available hours. Realization compares billed or collected value with standard billable value. Efficiency compares actual hours with estimated hours. Productivity compares output with an input, and that output must be named before the result means anything.
The common mistake is treating high utilization as proof of high productivity. A team can hit 90% utilization while spending too many hours on rework, low-margin tasks, or work that later gets written down. A second team can sit at 75% utilization and still produce better revenue per available hour if it performs higher-value work with fewer corrections.
A one-off calculation is enough when you need a quick monthly comparison for one person, one project, or one small team. List the billable hours, name the denominator, subtract policy-based time off if you use net working hours, and calculate the ratio. Add a separate productivity figure only after you define the output unit.
A managed workflow becomes necessary when utilization affects staffing, billing, or targets over time. Teams need continuous time capture, billable and non-billable classifications, approved time off, and reports that compare actual utilization against the denominator policy. Everhour Time Off keeps vacations, sick leave, holidays, and partial-day absences connected to timesheets, so capacity does not rely on memory or spreadsheet cleanup.
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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No. Utilization rate measures billable hours against a defined capacity denominator. Productivity measures output against an input, such as revenue per available hour or completed deliverables per working hour. A person can have high utilization and low productivity when the work takes too long, produces rework, or carries weak billable value.
Use the same available-hours denominator for every person in the comparison, then label it. Gross capacity can start from scheduled hours, such as 40 hours in a week. Net working capacity subtracts employer-policy PTO, holidays, unpaid leave, or other absences. The denominator choice changes utilization, so the label must travel with the percentage.
Yes. A senior specialist can produce high-value work in fewer billable hours and spend the rest of the week on mentoring, sales support, process design, or internal review. That person's utilization rate may be lower, while revenue per available hour or completed deliverables per working hour remains strong.
No. U.S. federal sources define work-hour and leave rules, but they do not set a professional-services utilization target. The FLSA does not define full-time employment, and the statutory overtime threshold for covered nonexempt employees is about pay after 40 hours worked in a workweek, not a utilization benchmark.
Productivity can rise when output grows faster than available hours or when the team earns more value from fewer billable hours. Utilization can fall at the same time if more capacity goes to non-billable work, time off, training, or bench time. The two metrics move together only when the chosen output closely follows billable hours.
Everhour Time Off tracks vacations, sick leave, holidays, and custom leave types alongside work time, including partial-day durations and capacity-scaled day lengths. Approved time off flows into timesheets and reports, so utilization denominators can reflect planned absences instead of treating every scheduled day as available.
Everhour Reporting lets teams build reports with billable time, labor costs, revenue, project data, and date filters. Managers can compare billable utilization with project profitability or revenue figures, then export reports in CSV, Excel/XLSX, or PDF for review.
Track approved absences beside work time, then calculate utilization from capacity that reflects vacations, sick leave, holidays, and partial-day leave. Everhour keeps time off tied to timesheets and reports.
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