Add or subtract hours and minutes, convert time units, calculate elapsed time
Add or Subtract Hours & Minutes
Enter hours, minutes, and seconds for each time value. Add as many rows as you need.
Total Time
Hours
Minutes
Seconds
Total Minutes
Time Difference Between Two Times
Duration
Hours
Minutes
Total Minutes
Decimal Hours
Convert Time Units
Frequently Asked Questions
How do I add hours and minutes together?
Use the Add/Subtract tab. Enter the hours, minutes, and seconds for each time period, then click Calculate. The result shows the total in hours, minutes, seconds, and decimal hours.
How do I find the time between two clock times?
Use the Time Difference tab. Enter your start and end times and click Calculate. It handles overnight differences (e.g., 11 PM to 7 AM = 8 hours).
How many minutes is 1.5 hours?
1.5 hours = 90 minutes. Use the Convert Time Units tab to convert any decimal hours to minutes, seconds, days, or other units instantly.