Work Hours Calculator
Calculate total work hours, weekly summaries, and project time tracking
Unpaid break time to subtract from total
Quick presets:
Work Hours
Start Time
End Time
Break
Weekly Total
Regular Hours
Up to hrs/week
Overtime Hours
Over hrs/week
Daily Summary
Project Total
Total Entries
Avg Hours/Entry
Decimal Hour Conversion
15 min
0.25
30 min
0.50
45 min
0.75
60 min
1.00
Quick Tips for Accurate Time Tracking
Log hours immediately
Don't wait until end of day
Track all breaks
Include lunch and coffee breaks
Review weekly
Verify before submitting timesheets
Keep personal records
Save copies of your time logs
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About Work Hours Calculator
The Work Hours Calculator helps employees, freelancers, and managers accurately track and calculate work hours across different time periods. Whether you're tracking daily hours, calculating weekly totals, or managing project time, this tool simplifies time management.
How Work Hours Are Calculated
Basic Formula
Total Hours = End Time - Start Time - Break Duration
Weekly Hours Calculation
Weekly Total = Sum of (Daily Hours) for all work days
Example Calculation
Start: 9:00 AM, End: 5:30 PM, 30-minute lunch break:
- Total elapsed time: 8.5 hours
- Less break: 8.5 - 0.5 = 8 hours worked
Understanding Standard Work Hours
Full-Time Standards
| Country | Standard Hours/Week | Notes |
|---|---|---|
| United States | 40 hours | Common 8 hrs/day, 5 days |
| United Kingdom | 37.5-40 hours | Varies by industry |
| Germany | 35-40 hours | Some industries 35 hrs |
| France | 35 hours | Legal maximum |
| Japan | 40 hours | Legal standard |
Overtime Thresholds
- Standard: Hours exceeding 40/week
- Daily OT: Some states require OT after 8 hrs/day
- Weekend/Holiday: Often paid at premium rates
Types of Work Hour Tracking
1. Daily Tracking
Record start time, end time, and breaks each day.
2. Weekly Tracking
Summarize total hours worked per week for payroll.
3. Project-Based Tracking
Track hours spent on specific projects or clients.
4. Billable vs Non-Billable
Distinguish between client-chargeable and internal hours.
Work Hours Best Practices
For Employees
- Log immediately: Record hours as you work
- Include breaks: Accurately track paid vs unpaid breaks
- Review weekly: Verify hours before submitting
- Keep backups: Save personal copies of time records
For Employers
- Clear policies: Define overtime and break rules
- Consistent systems: Use standardized time tracking
- Regular audits: Review time records periodically
- Compliance: Follow federal and state labor laws
Common Work Schedules
| Schedule Type | Hours/Day | Days/Week | Total Hours |
|---|---|---|---|
| Standard 9-5 | 8 | 5 | 40 |
| Compressed | 10 | 4 | 40 |
| Part-time | 6 | 5 | 30 |
| Half-time | 4 | 5 | 20 |
| Shift Work | 12 | 3-4 | 36-48 |
Decimal Hours Conversion
| Minutes | Decimal Hours |
|---|---|
| 15 min | 0.25 |
| 30 min | 0.50 |
| 45 min | 0.75 |
| 60 min | 1.00 |
Formula: Decimal Hours = Minutes ÷ 60
Note: Work hour requirements vary by location, employment type, and industry. Consult your HR department or local labor laws for specific requirements. This calculator provides estimates and should not be used as official payroll documentation.