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Blended Overtime Explained
Jun 15, 2026 3:57:26 PM
Blended overtime can be confusing because overtime is not always based on an employee’s base hourly rate alone. Under the Fair Labor Standards Act, overtime for nonexempt employees is generally calculated using the employee’s regular rate of pay, and that regular rate can include more than hourly wages. Employers must factor in all compensation for employment when determining what overtime is owed.
What Is Blended Overtime?
Blended overtime refers to an overtime calculation based on an average or combined regular rate rather than a single stated hourly wage. This commonly arises when an employee earns different types of compensation during the same workweek, such as a base rate plus a night shift differential, a production bonus, or pay from multiple rates. The regular rate for that week is determined by dividing total includable compensation by total hours worked, and the overtime premium is then based on that blended regular rate.
What Is Included in the Regular Rate?
Generally, the regular rate includes all compensation for employment unless a specific exclusion applies. That means hourly wages are included, and shift differentials usually are included because they are extra pay tied to hours worked. Nondiscretionary bonuses also must be included because employees expect them under a policy or announced incentive plan. If the employee earns it as a predictable part of compensation tied to their work, it likely belongs in the regular rate.
How the Calculation Usually Works
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Add up all straight-time earnings for the week, including base wages and any shift differential earned.
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Add any nondiscretionary bonus that applies to that same workweek. If a bonus covers a longer period, it usually must be allocated back across the workweeks it covers.
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Divide total includable compensation by total hours worked to find the regular rate.
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Multiply one-half of the regular rate by the overtime hours worked if straight-time has already been paid for all hours worked.
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Add that extra overtime premium to the employee’s total straight-time earnings and bonus to find total gross pay for the week.
Example: Employee With a Bonus and Shift Differential
Assume an employee earns a base rate of $20.00 per hour, works 46 hours in one workweek, receives a $2.00 per hour shift differential for 16 of those hours, and earns a $120.00 nondiscretionary bonus for that same week.
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Calculate base wages: 46 hours × $20.00 = $920.00
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Calculate shift differential earnings: 16 hours × $2.00 = $32.00
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Add the weekly bonus: $120.00
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Total includable compensation: $920.00 + $32.00 + $120.00 = $1,072.00
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Find the regular rate: $1,072.00 ÷ 46 hours = $23.30
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Determine overtime hours: 46 total hours − 40 straight-time hours = 6 overtime hours
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Calculate the additional overtime premium: 0.5 × $23.30 × 6 = $69.90
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Total pay for the week: $1,072.00 + $69.90 = $1,141.90
This example uses the additional half-time premium method because the employee’s straight-time compensation for all 46 hours has already been included in the total earnings figure. In practice, payroll methods can vary, especially when bonuses are earned over multiple weeks or when state law imposes stricter requirements than federal law.
Common Mistakes to Avoid
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Using only the base hourly rate instead of the full regular rate.
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Forgetting to include shift differentials in overtime calculations.
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Treating a nondiscretionary bonus as though it were discretionary.
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Failing to allocate a bonus back over the workweeks it covers.
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Assuming federal law is the only rule that applies when state law may be more protective.
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What is not included in blended OT?
While most compensation must be included when calculating the regular rate, the FLSA excludes certain types of payments. These commonly include expense reimbursements, additional premium pay (such as overtime or weekend/holiday premiums), discretionary bonuses, gifts, and payments made for time not worked, such as vacation, holidays, or sick leave.
Final Takeaway
When employees receive different forms of compensation in the same workweek, overtime may need to be calculated on a blended regular rate rather than the base hourly rate alone. That is why bonuses and shift differentials can materially change overtime pay. A careful, week-by-week review helps employers stay compliant and helps employees understand how their wages should be calculated.
For more information on Overtime Pay Requirements of the FLSA, please refer to Fact Sheet #23.
