Consulting Rate vs Salary Calculator
Matching a salary as a consultant requires a higher gross rate than most people expect, because you must cover self-employment tax, replace employer benefits, and recover overhead that employees receive for free. This calculator derives the minimum hourly consulting rate needed to match a target employee salary, given your expected billable hours, benefits replacement cost, and overhead.
Consulting rate formula
Total Working Hours = Weeks x Hours Per Week
Billable Hours = Total Hours x (Utilisation / 100)
SE Tax = (Target Salary + Benefits + Overhead) x 0.9235 x 0.153
Required Revenue = Target Salary + Benefits + Overhead + SE Tax
Minimum Hourly Rate = Required Revenue / Billable Hours
SE tax of 15.3% applies to 92.35% of net self-employment earnings per IRS Schedule SE. The formula above applies SE tax to the total income requirement (salary equivalent plus costs), which is the conservative method: it ensures your net take-home after all taxes and costs equals the target salary.
Factors that move your required consulting rate
- Billable utilisation: moving from 60% to 70% utilisation reduces your required rate by roughly 14% for the same income target.
- Benefits cost: each $1,000 added to benefits replacement cost adds roughly $1.50 to $2.00 to the required hourly rate (at 700 billable hours).
- Overhead: keeping overhead low through home office and lean tools directly reduces the required rate floor.
- Working weeks: taking more vacation or unpaid time reduces billable hours and increases the required rate to compensate.
- Profit margin: this calculator sets a floor, not a ceiling. Add a profit margin of 10 to 30% above the floor to build business reserves and enable investment.
Consulting rate vs salary: frequently asked questions
How do consultants calculate their hourly rate?
The standard formula is: Required Rate = (Target Salary + Benefits Cost + Overhead + SE Tax) / Billable Hours. Billable hours are typically 60 to 75% of total working hours; the rest is taken up by business development, administration, and non-billable work. Each of these components must be covered by your billable rate.
What percentage of working hours are billable for consultants?
Utilisation rates (billable hours as a percentage of total working hours) vary: solo consultants typically achieve 60 to 70% utilisation, meaning 1,248 to 1,456 billable hours per year from a 2,080-hour work year. Staffing firm guidelines and management consulting firm benchmarks place target utilisation at 65 to 75%. Rates below 60% often indicate insufficient client pipeline.
How do I account for self-employment tax in my consulting rate?
Self-employed consultants pay 15.3% SE tax on 92.35% of net self-employment income (IRS Schedule SE). To cover this, add the SE tax amount to your target salary when calculating required gross revenue. Alternatively, multiply your target net income by approximately 1.18 to gross up for SE tax at a 15.3% effective rate.
What overhead costs should solo consultants include in their rate?
Include: professional liability (E&O) insurance ($500 to $3,000/year), accounting and tax preparation ($500 to $2,000/year), software and tools, website, professional development, home office, and a reserve for benefits (health insurance average $7,800/year for a self-employed individual). These costs must be recovered through the billing rate.
Does a higher consulting rate always mean higher income than employment?
Not automatically. Income depends on billable hours achieved. A $150/hr consulting rate at 1,000 billable hours earns $150,000 gross but after SE tax, benefits, and overhead may net $90,000 to $100,000, similar to a $120,000 salary employee. The rate comparison only makes sense alongside a realistic billable hours estimate.
Official sources
- IRS, Self-Employment Tax (Schedule SE): irs.gov self-employment tax.
- U.S. Bureau of Labor Statistics, Employer Costs for Employee Compensation (benefits benchmarks): bls.gov/ect.
Reviewed by the CalculatorHub team, edited by James Graham, 14 June 2026. See our methodology.