Blog/Tools/Billability Calculator
Free Tool

Billability Calculator for Delivery Teams

Enter your team's headcount, available hours, and billable hours logged. Get billable utilization rate, overall utilization, and bench capacity — instantly.

Count only resources whose role includes billable client work — exclude dedicated ops, finance, and management roles.

Working hours minus approved leave and public holidays. Typically 140–168 per month.

Hours logged against client billable projects across all resources this month.

Optional — for utilization

Fill in the fields and click Calculate to see your results.

How billable utilization is calculated

Billable utilization = billable hours ÷ (resources × available hours per resource) × 100

The denominator is available capacity — total working hours minus approved leave and public holidays — for billable-designated resources only. Do not include dedicated operations, finance, or management roles whose time is not meant to be billed.

Utilization rate uses the same denominator but counts all productive hours: billable, non-billable (direct project work), and internal (tooling, training, process improvement). A resource who is 100% utilized but 65% billable is doing 35% non-billable work — which may be intentional and healthy, or may indicate a pipeline problem.

Most professional services firms target 70–80% billable utilization. Below 65% consistently signals either a pipeline gap or bench overhang. Above 85% sustained over multiple months is a delivery health risk — insufficient buffer for urgent requests and quality review.

Billability benchmarks by role

50–65%
Senior leads, account directors, practice heads
Lower by design — presales, team management, and client development count as non-billable high-value work
70–80%
Mid-level practitioners (designers, developers, analysts)
Target range — productively billable without over-extended capacity
65–75%
Junior practitioners
Slightly lower to allow ramp-up, training, and supervision time
N/A
Operations, finance, delivery management
Non-billable by design — exclude from billability denominator entirely

Related reading

What Is Billable Utilization and What's a Good Rate for Agencies?9 min readResource Utilization vs Billability: The Difference Explained6 min readHow to Automate Your Agency Monthly Billability Report7 min readAgency Reporting: The Complete Guide for Delivery Teams14 min read

Track this every month automatically

Report Motive calculates billability from your CSV or Google Sheet import and builds the full monthly ops report — AI narrative included. 2-month free trial.

Start free trial →