Free tool
Work Hours & Overtime Calculator
Enter shift times and breaks to get net daily hours, a weekly total, and overtime past your threshold. Handles overnight shifts. No signup.
Net hours / day
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Total this week
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Overtime
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For planning only — overtime rules vary by jurisdiction and contract. Check your local labor rules for payroll.
Frequently asked questions
How do I calculate work hours with a break?
Take the time between clock-in and clock-out, then subtract unpaid break minutes. This tool does that and handles shifts crossing midnight.
How is overtime calculated?
By default weekly hours over 40 are flagged as overtime (common US standard). Some jurisdictions use daily thresholds — adjust the field and check local rules.
Does it handle overnight shifts?
Yes — if the end time is earlier than start, it assumes the shift crosses midnight.
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