A practical starting target is about 100–110 billable hours in a 160-hour working month. That leaves roughly 50–60 hours for business development, administration, project planning, client communication, learning, and other nonbillable time. It is a planning range—not a measured average or a universal quota for freelance developers—so adjust it to your workload, pipeline, leave, and overhead.
What does 100–110 billable hours mean?
In an illustrative 160-hour month, 100 billable hours represent 62.5% of working time; 110 represent 68.75%. The 160-hour denominator is a convenient four-week planning example, not a claim that every calendar month contains the same number of working days.
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Billable hours are time you can charge to client work under your agreement. Total working time also includes tasks that keep a freelance business running: finding clients, writing proposals, planning projects, handling communication, invoicing, bookkeeping, and training. Leave and holidays further reduce the hours available in a particular month.
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Why not plan to bill every working hour?
A full calendar of client delivery leaves little room for the work required to secure and manage that delivery. Some nonbillable time is a normal part of freelancing, and its share changes with the mix of projects and the effort needed to maintain a pipeline.
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As a directional reference, Teamwork.com’s 2023 agency report says 71% of surveyed agencies were at its stated ideal 70:30 billable-to-nonbillable ratio. Its analysis covered more than 3,600 agencies across marketing, web development, and creative work, so it offers context rather than a solo-developer norm. The same report says two-thirds of the surveyed agencies logged time; that finding does not establish that any particular tracking tool improves results. Teamwork.com’s 2023 agency report
A separate, older benchmark is also organizational rather than individual. Service Performance Insight’s 2015 report recorded 1,488 annual billable hours out of 2,080 total hours for independent professional-services organizations in 2014—about 71.5% by arithmetic. It described approximately 75% billable as a balanced target for professional-services organizations and cautioned against pushing the figure above 80%. Those figures are not a current monthly quota for freelance developers. Service Performance Insight’s benchmark report
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How to set a target that fits your business
- Choose the real working month. Start with the days and hours you actually expect to work, subtracting planned leave, holidays, and any other time away. A four-week 160-hour month is only a starting illustration.
- Estimate nonbillable commitments. Allow time for sales and proposals, scheduling and project planning, client communication that is not billable, invoicing and bookkeeping, training, and business upkeep.
- Set a billable range, not just a ceiling. For a 160-hour month, 100–110 billable hours is a reasonable initial planning range. Use a lower target when business development, administration, or leave is substantial; revisit it when those demands change.
- Track actual time for several weeks. Separate client delivery from nonbillable business tasks. A paper log, timesheet, or another method can work as a way to collect your own baseline; no particular method is established as best.
- Recalculate from your records. Compare billable hours with total working hours, note what is consuming nonbillable time, and revise your next target based on your own pattern rather than treating an agency or organizational benchmark as your personal average.
How to read your results
If billable hours are below target
First distinguish a capacity problem from a pipeline problem. If you have time available but not enough paid work, focus on client acquisition and sales rather than assuming you should work longer. If nonbillable tasks are consuming more time than expected, use your records to identify which tasks are driving the difference.
If you are consistently above target
A high-utilization month can be a short-term peak, but it may not be a sustainable plan. If the pipeline is full and work weeks are repeatedly excessive, consider reducing commitments or revisiting rates and scope rather than treating a peak as the new normal.
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What the benchmarks can—and cannot—tell you
The available published figures provide useful context, but they do not establish a representative, current billable-hours benchmark for solo freelance software developers. Teamwork’s figures describe agencies, while SPI’s benchmark covers professional-services organizations and dates to 2014–2015. Neither source makes an individual monthly target mandatory.
Teamwork’s report also says 61% of agency tasks were overestimated. That is project-estimation context, not evidence for a specific sustainable monthly billable target. When forecasting your own month, leave room for uncertainty in delivery estimates and for the nonbillable work your business actually requires. Teamwork.com’s 2023 agency report
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