Overtime Cost Calculator
Calculate weekly and annual overtime costs for your team — and see when hiring a new employee is cheaper than paying OT.
What Is Overtime Cost and Why Does It Matter?
<p>Overtime cost is the additional payroll expense incurred when non-exempt employees work beyond 40 hours in a workweek (or 8 hours in a day in California). Under the FLSA, overtime must be paid at 1.5x the regular rate — and some states and union contracts require double time for extended hours. For a $25/hr worker putting in 10 hours of weekly OT, that is $375/week in premium pay on top of their regular $1,000.</p><p>The compounding impact catches many businesses off guard. Five employees averaging 10 hours of OT per week at $25/hr costs $90,000/year in overtime premium alone — enough to fund an entirely new full-time position with benefits. The Bureau of Labor Statistics reports that manufacturing, healthcare, and logistics industries spend 8-15% of total payroll on overtime, with spikes during seasonal demand or staffing shortages pushing that figure to 20%+.</p><p>Beyond the direct wage cost, chronic overtime creates hidden expenses: increased workers' compensation claims (injury rates rise 9.4% after 8 hours according to OSHA data), higher turnover (burned-out employees leave), reduced productivity per hour (fatigue-related efficiency drops 25% after 50 weekly hours per Stanford research), and potential FLSA litigation if overtime is mismanaged. This calculator helps you quantify the direct cost and identify the tipping point where hiring additional staff becomes more economical than paying OT.</p>
How to Use This Calculator
Enter the number of employees regularly working overtime
Count only non-exempt employees whose OT you must legally pay. Exempt salaried employees (above the FLSA threshold and meeting duties tests) are excluded.
Set the average hourly rate
Use the weighted average across OT-eligible workers. If rates vary widely, run the calculator separately for each pay tier for more accurate results.
Specify weekly OT hours and duration
Be precise — even 2 hours of daily OT (10/week) at $25/hr across 10 workers costs $97,500/year. Adjust weeks to reflect seasonal patterns if OT is not year-round.
Key Concepts
Regular Rate of Pay
The FLSA requires overtime to be calculated on the "regular rate," which includes base hourly pay plus non-discretionary bonuses, shift differentials, and piece-rate earnings — not just the base wage. This is a common audit finding.
Overtime Premium
The additional 50% (or 100% for double time) paid on top of the regular rate. Only the premium portion is the "extra" cost — the base rate would have been earned regardless during straight time.
FLSA Workweek
A fixed, recurring 168-hour (7-day) period defined by the employer. OT is calculated per workweek — you cannot average hours across multiple weeks (except for healthcare workers under the 8/80 exception).
Break-Even Hire Point
The annual OT expenditure at which the cost equals hiring a new full-time employee (salary + benefits + onboarding). When OT spending exceeds this threshold, adding headcount is more cost-effective.
Expert Insights
The Hidden 30% Tax on Overtime: OT is not just 1.5x the wage. Employer-side payroll taxes (FICA 7.65%, FUTA, SUTA) and workers' comp premiums apply to OT wages. The true cost of a $37.50/hr OT rate is closer to $43-45/hr when these are included. Factor in a 15-20% burden rate on top of the OT wage for accurate total cost.
When Hiring Beats Overtime: The general rule: if a group of employees collectively works enough OT hours to fill a 40-hour position for 6+ consecutive months, hiring is cheaper. A fully loaded new hire at $25/hr costs roughly $65,000-$75,000/year (including benefits, taxes, and onboarding). If your OT spend for those same hours exceeds that figure, the math clearly favors adding headcount.
Audit-Proofing Your OT Practices: DOL Wage & Hour investigations recovered $274 million in back overtime wages in FY2023. The most common violations: misclassifying employees as exempt, failing to include non-discretionary bonuses in the regular rate, and not paying for "off-the-clock" work (pre-shift setup, post-shift cleanup). A proactive audit costs far less than a DOL investigation.
Frequently Asked Questions
Results are estimates for educational purposes only. Actual amounts may vary based on your specific financial situation, market conditions, and other factors. This calculator does not constitute financial advice.
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