How to calculate true cost per hour worked
The cost per hour worked is not the employee's hourly rate. It is the total annual cost to the employer divided by the number of hours the employee actually works productively. This includes everything the employer pays directly or indirectly as a result of employing that person.
The formula
Total annual cost = Salary + Employer taxes + Pension + Benefits + Equipment + Office + Training + Recruitment
Paid hours per year = Hours/week × Weeks/year
Productive hours = Paid hours − (Leave days × Hours/day)
Cost per hour = Total annual cost ÷ Productive hours
Overhead multiplier = Total annual cost ÷ Salary
Productive hours excludes paid leave days since the employee is not generating output during those hours, even though the employer is paying. This is why the cost per productive hour is always higher than the cost per paid hour.
Why the true cost is always higher than you expect
An employee on an $80,000 salary typically costs $110,000–$130,000 per year when employer taxes, pension, benefits, equipment, and overhead are included. Divided by 1,760 productive hours per year (48 weeks × 40 hours minus 20 leave days), the true cost per hour is $62–$74 — far above the implied $38.46 from salary alone.
| Annual Salary | Overhead % | Total Cost | Productive Hrs | True Cost/Hour |
| $50,000 | 35% | $67,500 | 1,760 | $38.35 |
| $80,000 | 40% | $112,000 | 1,760 | $63.64 |
| $100,000 | 45% | $145,000 | 1,760 | $82.39 |
| $120,000 | 50% | $180,000 | 1,760 | $102.27 |
Frequently Asked Questions
What is the difference between cost per paid hour and cost per productive hour?+
Cost per paid hour divides the total annual cost by total hours paid, including annual leave and public holidays. Cost per productive hour divides by the hours the employee actually works — total paid hours minus leave days. Since you pay the same salary whether the employee is on holiday or at their desk, the cost per productive hour is always higher. This is the number that matters for pricing, project cost estimation, and profitability analysis.
What is a typical overhead multiplier?+
The overhead multiplier is the ratio of total employer cost to the base salary. For most employees in developed economies, this ranges from 1.25 to 1.7. A multiplier of 1.4 means the employee costs 40% more than their salary. The main drivers are employer payroll taxes or national insurance (6–20% of salary), pension contributions (3–11%), health insurance, and overhead costs including equipment and office space. Knowledge workers with expensive benefits packages can reach multipliers of 1.8 or higher.
How should I use cost per hour for client billing?+
The cost per hour is your floor — the minimum you need to recover to break even. Your billing rate should be cost per hour divided by your target utilisation rate, plus a profit margin. If an employee costs $70 per hour and you expect to bill 70% of their time to clients, the minimum billing rate to break even is $70 ÷ 0.70 = $100 per hour. Add your target margin on top. Professional services firms typically aim for billing rates of 2×–3× the direct cost per hour.
Should I include recruitment costs in cost per hour?+
Yes, if you want a fully loaded cost figure. Recruitment costs including agency fees, interview time, and onboarding are real costs incurred as a result of the hiring decision. Amortised over an employee's expected tenure, they add meaningfully to the true cost per hour. A $10,000 recruitment cost amortised over 3 years adds $3,333 per year, or roughly $1.89 per productive hour at 1,760 hours per year.
Does this calculator include tax on the employee side?+
No. This calculator focuses on the cost to the employer, not the employee's take-home pay. Employee income tax, employee national insurance, and employee pension contributions are all deducted from the employee's gross salary but do not increase the employer's cost. To see the employee's net take-home, use the Salary After Tax Global calculator.