Shift Differential Calculator
Use the time card to total night or weekend shift hours, then add your per-hour shift differential in the pay field (e.g. $18 base + $2 night premium = $20). Overtime is computed on the higher rate, as the FLSA regular-rate rules require.
Timesheet
Total hours0:00 0.00 h
Regular0.00
Overtime0.00
Double time0.00
Gross pay$0.00
Employee signature / date
Supervisor signature / date
Worked example
Here is a sample shift differential time card at $20/hour:
| Day | In → Out | Break | HH:MM | Decimal | OT |
|---|---|---|---|---|---|
| Mon | 11:00 PM → 7:30 AM | 30 min | 8:00 | 8.00 | 0.00 |
| Tue | 11:00 PM → 7:30 AM | 30 min | 8:00 | 8.00 | 0.00 |
| Wed | 11:00 PM → 7:30 AM | 30 min | 8:00 | 8.00 | 0.00 |
| Thu | 11:00 PM → 7:30 AM | 30 min | 8:00 | 8.00 | 0.00 |
| Fri | 11:00 PM → 7:30 AM | 30 min | 8:00 | 8.00 | 0.00 |
| Total | 40:00 | 40.00 | 0.00 |
Gross pay: $800.00 (regular $800.00). Check overtime separately or estimate take-home pay.
Frequently asked questions
Does a shift differential raise my overtime rate?
Yes. Shift differentials are part of the regular rate of pay (29 CFR 778.207), so time-and-a-half is based on the base rate plus the differential.
Is this calculator free?
Yes. It runs entirely in your browser, needs no account and stores nothing on our servers.
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- Punch Clock CalculatorPunch clock
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Last updated October 10, 2026. How we calculate · Disclaimer