Overtime Calculators

Calculate overtime hours, time-and-a-half, double-time, and total gross pay.

Federal overtime starts at 40 hours per workweek at 1.5× the regular rate. These tools cover standard, time-and-a-half, double-time, and salary conversion math used in U.S. payroll.

Calculators

How overtime is calculated

Overtime hours are usually the hours worked above 40 in a single workweek. They are paid at the "premium" rate, most commonly 1.5× the regular hourly rate (time and a half). Some states and contracts also use 2× (double time) once daily or weekly thresholds are reached.

The formula every calculator in this hub uses is: Overtime pay = OT hours × Regular rate × Multiplier. Gross pay for the period is regular hours × rate plus overtime pay.

Federal vs state overtime

The federal FLSA sets a floor: 1.5× after 40 weekly hours for non-exempt workers. States can be more generous. California, for example, also requires 1.5× after 8 daily hours and 2× after 12. Local minimum wage and prevailing wage rules can further shift the regular rate. This hub does not encode state-specific rules; always confirm your jurisdiction.

Common overtime mistakes

  • Using daily overtime in a state that only uses weekly overtime, or vice versa.
  • Forgetting to include shift differentials or non-discretionary bonuses in the regular rate.
  • Treating salaried employees as automatically exempt without checking the FLSA duties test.
  • Mixing 12-hour AM/PM times instead of 24-hour HH:MM when entering shifts.

Related guides

Frequently Asked Questions

Under the U.S. Fair Labor Standards Act, non-exempt employees earn overtime at 1.5× the regular rate for hours worked over 40 in a single workweek. Some states require daily overtime as well.

Before you use the result

Our calculators give quick payroll-time and pay estimates. Your final paycheck depends on factors this tool does not see, including employer policy, state and local rules, time clock rounding, paid versus unpaid breaks, premium pay, deductions, and how your payroll provider applies them.

  • Confirm pay rules with your employer, payroll provider, or HR team.
  • Overtime, breaks, and rounding rules can change by state.

For how each calculation is built, see our methodology and disclaimer.