Time Calculator
Add, subtract, and convert time in hours, minutes, and seconds
Choose Operation
Add Time
Quick Presets
Calculation Results
00:00:00
Result
Standard Format
00:00:00
Decimal Hours
0.00
Time Unit Conversions
0
Total Seconds
0
Total Minutes
0
Total Hours
Time Breakdown
0
Hours
0
Minutes
0
Seconds
⏱️
Enter time values to calculate
Choose an operation and enter your time values above
How to Use the Time Calculator
Professional time calculations for work and daily life
+
Add Time
Add multiple time periods together for total duration calculations
-
Subtract Time
Calculate time differences and remaining time periods
⟷
Convert Time
Convert between different time formats and units