Overtime Calculator After 40 Hours (FLSA 1.5x)

Calculate statutory overtime pay when your weekly work hours exceed the 40-hour federal threshold. Accurately split regular hours from 1.5x time-and-a-half overtime pay, deduct unpaid lunch breaks, and estimate gross payroll earnings. Easily calculate your complete 7-day schedule with our free weekly hours calculator and track daily shifts on your weekly time card.

FLSA Overtime Pay Standard (29 U.S.C. § 207(a)(1)): Covered non-exempt employees must receive overtime pay for all hours worked in excess of 40 in a workweek at a rate not less than time and one-half (1.5×) their regular rate of pay.

40-Hour Overtime Calculator

FLSA 1.5x Overtime Pay
Work Day Clock In Clock Out Unpaid Break (Mins) Daily Total (Hrs)
Total Clock Time 0h 0m
Decimal Hours 0.00 hrs
Regular Hours 0.00
Overtime Hours (1.5x) 0.00
Estimated Gross Pay $0.00
✓ Overnight Shifts Supported
✓ Standard 1.5× FLSA Overtime
✓ Instant Decimal Time Conversion
✓ 100% Client-Side Privacy

The Federal 40-Hour Workweek Standard Under FLSA Section 7(a)

The Fair Labor Standards Act of 1938 (29 U.S.C. § 207) establishes the bedrock federal standard for overtime compensation in the United States: covered non-exempt employees must receive overtime pay for all hours worked in excess of 40 hours in a single designated workweek. While federal law relies strictly on a 40-hour weekly threshold, specific jurisdictions require daily overtime premiums; see our guide on California daily overtime and double time rules for daily thresholds.

The statutory premium rate must be no less than one and one-half times (1.5×) the worker's regular rate of pay—commonly known as "time-and-a-half." Overtime is a mandatory statutory right: employees cannot legally waive their entitlement to overtime pay by signing private contracts or agreeing to comp time in private-sector employment.

Our overtime calculator after 40 hours dynamically separates total weekly decimal hours into two distinct pools:

Formula: Weekly Hours Allocation
Regular Hours = min(Total Hours, 40)
Overtime Hours = max(0, Total Hours − 40)

Standard 40-Hour Workweek Gross Wage Reference Table

For quick payroll budgeting, here is how standard 40-hour straight-time weekly wages calculate across common hourly pay rates before overtime:

Hourly Pay Rate Workweek Threshold Calculation Breakdown Gross Weekly Straight Pay
$19.50 / hr40.00 hrs$19.50/hr × 40 hrs$780.00
$20.00 / hr40.00 hrs$20.00/hr × 40 hrs$800.00
$22.50 / hr40.00 hrs$22.50/hr × 40 hrs$900.00
$25.00 / hr40.00 hrs$25.00/hr × 40 hrs$1,000.00

Exempt vs. Non-Exempt Employee Classifications (29 CFR Part 541)

Not every employee is entitled to overtime pay. The FLSA divides the American workforce into two primary categories:

  • Non-Exempt Employees: Protected by federal minimum wage and overtime laws. Whether paid hourly, by day rate, or by salary, non-exempt employees must receive 1.5x overtime pay for every hour worked beyond 40 hours per workweek.
  • Exempt Employees: Excluded from statutory overtime requirements under the White-Collar exemptions (Executive, Administrative, Professional, Outside Sales, and Computer Professional under 29 CFR Part 541).

To establish exempt status, an employer must prove that an employee satisfies three concurrent legal criteria: the Salary Basis Test (guaranteed salary not subject to quality/quantity deductions), the Salary Level Test (meeting federal/state minimum salary thresholds), and the Job Duties Test (actual job duties involving executive discretion, management, or specialized intellectual instruction). Job titles alone never confer exemption.

Calculating the True Regular Rate of Pay with Nondiscretionary Bonuses

A widespread compliance error is multiplying an employee's base hourly rate by 1.5 to calculate overtime when the employee also received incentive pay. Under 29 CFR § 778.208, the Regular Rate of Pay must reflect all remuneration paid to the employee, including:

Formula: Weighted Regular Rate of Pay
Regular Rate = Total Straight-Time Earnings + Nondiscretionary Bonuses Total Hours Worked in Workweek

By contrast, purely discretionary holiday bonuses (where payment and amount remain at the employer's sole discretion until the moment of distribution) may be excluded from the regular rate.

Prohibition of Biweekly Hour Averaging and State Daily Overtime Rules

Federal law prohibits employers from averaging hours over a biweekly pay period. For example, if an employee works 50 hours in week one and 30 hours in week two of an 80-hour biweekly paycheck, the employer must pay 10 hours of overtime for week one. Averaging the two weeks to show 40 hours per week is illegal under 29 CFR § 778.104.

Furthermore, several states enforce daily overtime rules that exceed federal requirements:

  • California (Labor Code § 510): Mandates 1.5x overtime for hours worked beyond 8 in a single workday, and 2.0x double-time for hours worked beyond 12 in a single workday.
  • Alaska, Nevada, and Colorado: Enforce daily thresholds of 8 hours or 12 hours depending on shift length and industry orders.

To accurately log daily shift intervals, deduct unpaid lunches, and calculate weekly totals, use our universal Weekly Time Card Calculator, or verify meal deductions with our Time Card Calculator with Lunch Break Deduction. For decimal payroll conversions, reference our Minutes to Decimal Hours Converter.

Frequently Asked Questions (Overtime Calculator After 40 Hours (FLSA 1.5x))

When does overtime pay kick in under federal law?
Under the FLSA, overtime compensation kicks in when a covered non-exempt employee works more than 40 hours in a single designated workweek. Overtime must be paid at no less than 1.5 times the employee's regular hourly rate.
Can an employer average hours over two weeks to avoid paying overtime?
No. Federal law strictly prohibits averaging hours over a biweekly or monthly pay period. For example, working 48 hours in week one and 32 hours in week two (totaling 80 hours) still requires 8 hours of overtime pay in week one.
How do bonuses affect my overtime hourly rate?
Under 29 CFR § 778.208, nondiscretionary bonuses (such as attendance, safety, or production bonuses) must be added to total straight-time earnings to determine the true weighted regular rate before applying the 1.5x overtime multiplier.
What is the difference between daily overtime and weekly overtime?
Federal law establishes weekly overtime after 40 hours. However, states like California and Alaska also mandate daily overtime (1.5x pay after 8 hours in a workday, and 2.0x double-time pay after 12 hours).