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Blended / weighted-average rate

Blended Overtime Calculator

Worked multiple pay rates in one week? This calculator finds the FLSA weighted-average regular rate and your correct blended overtime pay.

Pay rates this week (weighted average)

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Calculation breakdown

Worked example (two rates)

30 hours at $20 plus 20 hours at $15 — 50 hours total:

StepMathResult
Straight-time pay(30 × $20) + (20 × $15)$900.00
Regular (blended) rate$900 ÷ 50 h$18.00
Overtime premium0.5 × $18 × 10 h$90.00
Total gross pay$900 + $90$990.00

How to use this calculator

  1. 1

    Enter each pay rate and its hours

    Add a row for every rate you worked this week — for example 30 hours at $20 and 20 hours at $15. Use "+ Add a rate" for more.

  2. 2

    Add any non-discretionary bonus

    Production or attendance bonuses are added to straight-time pay before the average is computed, which raises the regular rate.

  3. 3

    Read the weighted average and overtime

    The calculator computes the blended regular rate, then the overtime premium (0.5× the blended rate on hours over 40) and your total pay.

Blended-rate errors are common and costly because payroll often defaults to one rate. If you regularly work two roles or two shifts at different pay, check a sample week here against your stub — the difference compounds over a year.

Frequently asked questions

How do you calculate overtime with two different pay rates?
Use the weighted average. Add all straight-time pay for the week and divide by all hours worked to get the regular rate. Then pay 0.5× that rate as the overtime premium on hours over 40 (on top of straight time already paid). This is the FLSA method.
What is a blended or weighted-average rate?
It is the single hourly figure the FLSA uses for overtime when an employee earns multiple rates in one workweek: total straight-time earnings ÷ total hours. Overtime cannot be based on just the lowest rate.
Can my employer use the lowest rate for overtime?
No. Paying overtime on only the lowest of your rates underpays you. The regular rate must be the weighted average of all rates worked that week (some states or agreements allow the "rate in effect" method, but the default is the blended rate).
Do bonuses change the blended rate?
Yes. Non-discretionary bonuses and commissions are added to straight-time pay before dividing, raising the regular rate and therefore the overtime premium. Discretionary bonuses and gifts are excluded.
How does the premium-only method work?
Because you are already paid straight time for every hour at each rate, overtime adds only the extra "half" — 0.5 × the blended rate × overtime hours. That premium, added to the straight-time total, equals time-and-a-half on the overtime hours.

Sources & further reading

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