Everhour tracks consulting time by task and project, so billable-hour averages start from approved entries instead of estimates.
Track billable vs. non-billable time and see your real utilization rate and revenue potential in seconds.
Working hours in the period
Admin, meetings, internal work
Industry average is 75–80%
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For consultants, average billable hours answer two practical questions: how many hours were chargeable to clients, and what share of available capacity those hours represent. A solo consultant may use the result to check whether project pricing supports income goals. A consulting firm may use it to compare utilization across consultants, clients, or service lines without confusing sales work, training, and admin time with paid delivery.
The calculation applies directly when consulting work is billed hourly. It also helps with fixed-fee, retainer, or value-based projects when you want to test the implied hourly return. Consulting has no universal statutory billing increment, so rounding rules should come from the client contract, firm policy, or invoicing setup, not from a profession-wide default.
Utilization is billable hours divided by available hours. If a consultant has 40 available hours in a week and 30 approved billable hours, utilization is 75%. That result says the consultant spent three quarters of available capacity on client-chargeable work. It does not say whether the client paid the invoice, whether time was written down, or whether the hourly rate was profitable.
Professional services benchmarks place mature billable utilization around 70% to 80%, and Kantata reported 70.9% average billable utilization in its 2024 professional services benchmark. Treat those numbers as consulting-sector benchmarks, not legal requirements. At 2,080 full-time hours per year, a 70% utilization assumption equals 1,456 billable hours before holidays, PTO, training, sales, and internal work are removed.
For hourly consulting, start with approved billable hours multiplied by the billing rate. Example: a strategy consultant records 34 approved billable hours in a 42-hour workweek at $210 per hour. The billable amount before discounts, write-downs, tax, or collection effects is $7,140. Utilization is 80.95%, because 34 billable hours divided by 42 available hours equals 0.8095.
Keep the follow-on metrics separate. If the standard value is $7,140 and the client is billed $6,720 after a write-down, realization is 94.12%. If $6,300 is collected, collection rate is 93.75%. The effective billing rate is $150 per total hour worked, because collected revenue divided by 42 total hours worked captures non-billable time, write-downs, and non-collection in one figure.
A one-off calculation is enough when you need a fast check on one consultant, one invoice period, or one pricing assumption. Use approved billable hours, available hours, the billing rate, and any known write-down or collected amount. If a U.S. service is taxable, add a state and local tax input only when that jurisdiction taxes the service; the United States has no federal VAT/GST or national sales-tax rate.
A managed workflow is better when billable decisions happen every week across multiple clients, consultants, and project tools. Everhour Time Tracking captures hours through timers or manual entries, supports approval controls and locked periods, and feeds timesheets, reporting, budgeting, invoicing, and payroll review. That matters when the average needs to survive client questions, manager approval, and invoice handoff.
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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Professional services benchmarks commonly place mature consultant billable utilization around 70% to 80%. That means 70 to 80 hours out of every 100 available hours are charged to client work. Use the benchmark as a management reference, not a rule, because PTO, sales activity, training, internal work, and the consulting model all change the realistic target.
Add approved billable hours for the period, then compare them with available hours for the same period. The core utilization formula is billable hours divided by available hours. If you also need revenue, multiply approved billable hours by the consultant's hourly billing rate before discounts, write-downs, tax, and collection effects.
Yes, if you are using hours to measure project profitability or implied hourly rate. Fixed-fee, retainer, and value-based work may not be invoiced by the hour, but the recorded delivery time still shows whether the fee covers the effort. Divide project revenue by total hours worked to see the effective hourly return.
The common mistake is mixing utilization, realization, and collection into one number. Utilization measures billable hours against available hours. Realization measures billed value against the standard value of recorded time. Collection measures cash received against the amount billed. Combining them hides whether the issue is staffing, write-downs, or unpaid invoices.
Tax belongs only after the pre-tax billable amount is calculated and only when the relevant state or local jurisdiction taxes that service. The United States has no federal VAT/GST or single national sales-tax rate. Some services are not taxed, while certain jurisdictions tax services through state or local rules.
Everhour Time Tracking lets consultants record task and project hours with live timers or manual entries, then route those entries into approvals, locked periods, timesheets, and reporting. That gives managers a cleaner base for average billable-hour calculations than reconstructing time from calendar notes or invoice drafts.
Track approved consultant time by task, client, and project before it reaches an invoice. Everhour turns those entries into cleaner averages, utilization checks, and billing handoffs.
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