Overtime Calculator
Regular Pay
—
Overtime Pay
—
Total Weekly Pay
—
Effective Hourly Rate
—
How Overtime Pay Works
Overtime pay is the premium compensation that employers must pay to eligible employees for hours worked beyond the standard workweek threshold. Under the Fair Labor Standards Act (FLSA), non-exempt employees in the United States must receive at least 1.5 times their regular hourly rate for every hour worked over 40 in a workweek. The U.S. Department of Labor reports that approximately 55% of American workers are classified as non-exempt and eligible for overtime protection.
The FLSA overtime provisions have been in effect since 1938 and are enforced by the Wage and Hour Division of the Department of Labor. According to the Bureau of Labor Statistics, about 4.3% of full-time wage and salary workers typically work more than 48 hours per week, with the highest overtime rates in management, transportation, and production occupations. Understanding exactly how overtime is calculated helps employees negotiate schedules, budget household income, and evaluate whether extra hours are financially worthwhile after considering taxes and personal time costs. Use our overtime exemption calculator to determine whether you qualify for overtime protection.
The Overtime Pay Formula
The overtime pay calculation uses these formulas:
Regular Pay = Hourly Rate x Regular Hours
Overtime Pay = Hourly Rate x Overtime Multiplier x Overtime Hours
Total Weekly Pay = Regular Pay + Overtime Pay
Effective Hourly Rate = Total Weekly Pay / Total Hours Worked
Worked example: An employee earns $25/hour and works 50 hours in a week with a 1.5x overtime multiplier. Regular Pay = $25 x 40 = $1,000. Overtime Pay = $25 x 1.5 x 10 = $375. Total Pay = $1,375. Effective Rate = $1,375 / 50 = $27.50/hour. The 10 overtime hours increased total pay by 37.5% while increasing hours by only 25%.
Key Terms You Should Know
Non-Exempt Employee: A worker entitled to overtime pay under the FLSA. Most hourly workers and salaried employees earning below the FLSA salary threshold ($58,656/year as of 2025) are non-exempt.
Exempt Employee: A worker excluded from overtime requirements, typically salaried workers meeting both a minimum salary threshold and specific duties tests (executive, administrative, professional, computer, or outside sales). Job title alone does not determine exempt status.
Regular Rate of Pay: The rate used for overtime calculations. It includes base hourly wage plus shift differentials, non-discretionary bonuses, and commissions. It excludes discretionary bonuses, gifts, and expense reimbursements.
Workweek: A fixed, recurring period of 168 consecutive hours (seven consecutive 24-hour periods). The employer defines the workweek start day. Overtime is calculated per workweek and cannot be averaged over multiple weeks unless a specific exemption applies.
Comp Time: Compensatory time off instead of overtime pay. Private-sector employers generally cannot offer comp time in lieu of overtime pay under the FLSA, though public-sector employers have more flexibility.
Overtime Pay by Hours Worked
The following table shows how weekly pay increases with overtime hours at different base rates, using the standard 1.5x multiplier. Source: calculations based on FLSA standard overtime rate.
| Hours Worked | $15/hr | $25/hr | $35/hr | $50/hr |
|---|---|---|---|---|
| 40 (no OT) | $600 | $1,000 | $1,400 | $2,000 |
| 45 (5 OT) | $712.50 | $1,187.50 | $1,662.50 | $2,375 |
| 50 (10 OT) | $825 | $1,375 | $1,925 | $2,750 |
| 55 (15 OT) | $937.50 | $1,562.50 | $2,187.50 | $3,125 |
| 60 (20 OT) | $1,050 | $1,750 | $2,450 | $3,500 |
Practical Examples
Example 1 -- Warehouse worker: A warehouse employee earns $18/hour and works 48 hours this week. Regular pay: $18 x 40 = $720. Overtime: $18 x 1.5 x 8 = $216. Total: $936. Effective rate: $936/48 = $19.50/hr. The 8 overtime hours added $216 (a 30% pay boost) while adding only 20% more hours. Use our paycheck calculator to see the after-tax impact.
Example 2 -- Nurse with double time: A nurse earns $40/hour and works 56 hours, with the hospital offering double time for hours over 48. Regular pay: $40 x 40 = $1,600. Overtime at 1.5x (hours 41-48): $40 x 1.5 x 8 = $480. Double time (hours 49-56): $40 x 2 x 8 = $640. Total: $2,720. Effective rate: $2,720/56 = $48.57/hr.
Example 3 -- California daily overtime: A construction worker in California earns $30/hour and works four 10-hour days. Under California law, daily overtime kicks in after 8 hours. Each day: 8 regular hours ($240) + 2 overtime hours ($90) = $330. Weekly total for 4 days: $1,320 for 40 hours. Compare with our hourly-to-salary calculator to see the annual equivalent.
Tips and Strategies
- Know your exemption status: Verify whether you are properly classified as exempt or non-exempt. Misclassification is common, and the overtime exemption calculator can help you check. The Department of Labor recovered $274 million in back wages for workers in 2023 alone.
- Track all hours meticulously: Keep your own records of hours worked, including time before and after official shifts. If a dispute arises, your personal records serve as evidence. Use a phone app or simple spreadsheet to log daily start and end times.
- Calculate the after-tax value: Overtime income is subject to the same tax rates as regular income. At a 22% federal marginal rate plus 7.65% FICA, your $37.50/hr overtime rate (at $25 base) nets about $26.34 after federal taxes. Use our income tax calculator for a detailed breakdown.
- Evaluate the personal cost: Consider fatigue, reduced personal time, and health impacts. Research published in the American Journal of Industrial Medicine found that working more than 50 hours per week is associated with increased injury risk and reduced productivity per hour.
- Understand your regular rate: Your regular rate for overtime purposes may be higher than your base rate if you receive shift differentials, non-discretionary bonuses, or commissions. These must be factored into the overtime calculation.
- Check state-specific rules: Some states (California, Alaska, Nevada, Colorado) have daily overtime thresholds in addition to the weekly 40-hour federal threshold. Always apply whichever rule benefits the employee more.
Frequently Asked Questions
What is the standard overtime rate in the United States?
The standard overtime rate in the United States is 1.5 times (time and a half) the employee's regular hourly rate for all hours worked beyond 40 in a single workweek, as mandated by the Fair Labor Standards Act (FLSA). Some employers voluntarily offer double time (2x) for holidays, Sundays, or hours exceeding a higher threshold such as 50 or 60 hours per week. California law additionally requires double time for hours exceeding 12 in a single workday. The regular rate used for overtime calculation must include all remuneration such as shift differentials and non-discretionary bonuses, not just the base hourly wage.
Who qualifies for overtime pay?
Non-exempt employees under the FLSA qualify for overtime pay. To be classified as exempt, an employee must generally meet three criteria: be paid on a salary basis (not hourly), earn at least $58,656 per year ($1,128 per week) as of the 2025 federal threshold, and perform duties that fall under the executive, administrative, professional, computer, or outside sales exemptions. Approximately 55% of US workers are classified as non-exempt and entitled to overtime. If any of the three criteria is not met, the employee is non-exempt regardless of job title. Use our overtime exemption calculator to check your specific status.
Is overtime pay taxed at a higher rate?
Overtime pay is not taxed at a special higher rate. It is treated as ordinary income and taxed at the same federal and state income tax rates as your regular wages. However, the additional income from overtime may push your total earnings into a higher marginal tax bracket, causing the overtime portion to be taxed at a higher rate than your base pay. Additionally, your employer may withhold taxes at a higher rate on overtime paychecks because the withholding calculation assumes that elevated pay level continues all year. Your actual tax liability is reconciled when you file your annual return, and any over-withholding is refunded.
Can my employer force me to work overtime?
In most states, yes, employers can require mandatory overtime as long as they pay the legally required overtime rate. The FLSA does not limit the number of hours an adult employee can work in a week. However, some union contracts, collective bargaining agreements, and certain state laws restrict mandatory overtime, particularly in healthcare and transportation industries. In states like Maine and Minnesota, specific provisions limit mandatory overtime for nurses. Refusing mandatory overtime when no legal protection applies can be grounds for termination in at-will employment states. Some states also require a minimum rest period between shifts.
How do I calculate my effective hourly rate with overtime?
Your effective hourly rate is your total weekly pay divided by your total hours worked. For example, if you earn $25 per hour and work 50 hours (40 regular + 10 overtime at 1.5x), your total pay is (40 x $25) + (10 x $37.50) = $1,000 + $375 = $1,375. Your effective rate is $1,375 / 50 = $27.50 per hour. This effective rate is always higher than your base rate when overtime is involved, but lower than the overtime rate itself. Knowing your effective rate helps you compare overtime opportunities with alternative jobs or side work that might pay a flat rate.
Do state overtime laws differ from federal FLSA rules?
Yes, several states have overtime rules that are more generous than federal FLSA requirements. California requires overtime pay after 8 hours in a single day (not just 40 hours per week) and double time after 12 hours. Alaska and Nevada also have daily overtime thresholds. Colorado requires overtime after 12 hours in a day or 40 hours per week. Some states like California have higher salary thresholds for exempt status than the federal level. When state and federal overtime laws differ, the employer must follow whichever law provides the greater benefit to the employee. Always check both your state labor department and the federal Department of Labor for applicable rules.