Work hours tracking
Easily compute total time worked, overtime or break adjustments.
Add or Subtract Time
Result will appear here
Add Multiple Time Durations
Total will appear here
Time Conversion Tool
Converted value will appear here
Work Hours Calculator
Work hours will appear here
How to use
1
Enter time values
Fill in hours, minutes and seconds for Time 1 and Time 2.
2
Select operation
Choose Add or Subtract depending on your calculation.
3
Calculate
Click Calculate to get instant results with correct formatting.
4
Reset anytime
Use Reset to clear values and start fresh.
Benefits
Shift planning
Add or subtract durations to plan work schedules precisely.
Productivity
Track time spent on tasks to improve daily efficiency.
Accurate calculations
Handles overflow automatically: 75 minutes → 1h 15m.
Free & private
Runs 100% in your browser — no data is stored or uploaded.
Mobile friendly
Optimized layout works smoothly on all devices.
Frequently Asked Questions
Enter hours, minutes and seconds for both fields and choose Add or Subtract to get results.
Yes — subtract start time from end time or add multiple durations for overtime and payroll totals.
Yes. 90 minutes becomes 1 hour 30 minutes, and seconds also convert correctly.
Absolutely — the tool is completely free and processes everything locally in your browser.
Yes, it is fully responsive for phones, tablets and desktops.