Time Calculator
Add or subtract time periods and convert between different time units
Initial Time
Operation
Total Time
0s
Total Seconds
0
Total Minutes
0
Total Hours
0
Total Days
0
Total Weeks
0
Note: Time calculations are based on standard time units (60 seconds per minute, 60 minutes per hour, 24 hours per day, 7 days per week).
Features
- •Add or subtract time periods
- •Convert between time units (seconds, minutes, hours, days, weeks)
- •Calculate total time in different units
- •Formatted time display
Common Uses
- •Project planning and scheduling
- •Time management and productivity
- •Work hour calculations
- •Event planning and coordination
Understanding Time Calculations
Time calculations involve converting between different units of time and performing arithmetic operations on time periods. The calculator uses standard time units:
- 60 seconds = 1 minute
- 60 minutes = 1 hour
- 24 hours = 1 day
- 7 days = 1 week
When adding or subtracting time, the calculator automatically handles unit conversions and carries over values between units. For example, adding 90 minutes to 30 minutes will result in 2 hours.
FAQ
How do I add time periods?
Enter the initial time in hours, minutes, and seconds. Select "Add" operation and enter the time period you want to add. The calculator will show the total time in various units.
Can I subtract time periods?
Yes, select "Subtract" operation and enter the time period you want to subtract. The calculator will show the remaining time in various units.
How are time units converted?
The calculator automatically converts between time units using standard conversion factors. For example, 90 minutes will be shown as 1 hour and 30 minutes.