Time Summation Calculator
Add the durations of multiple tasks to calculate total time, minutes, and seconds.
Input
The example value has been entered. Check it immediately or change the value.
Input is processed in the browser. Refreshing returns a sample value.
Result
Check or change the value using the example value result.
If only numbers are entered, minutes are shown. Two commas are hours:minutes:seconds. Minutes and seconds range from 0 to 59; negative time is not allowed.
Share result
Share the tool link and result text together. No URL is included in the result. Check the below content and then share it.
Calculation·conversion criteria
Sum the total duration of multiple tasks or videos.
Input example
1:30:00 + 0:45:00 = 2:15:00
45 and 0: 30: 00 put each on a separate line, resulting in 45 minutes + 30 minutes = 1: 15: 00. If only numbers are entered, they are interpreted as minutes, and the minutes and seconds in H:MM:SS must be 0 to 59.
How to use
- Use the entered example value or change the time list (one line per H:MM:SS or integer minutes) items.
- Click Verify result and check the following result.
- Result can be copied if needed.
Frequently Asked Questions
Can 1:30 be entered as 1 hour and 30 minutes?
This tool does not accept ambiguous two-part times. Enter 1 hour 30 minutes as 1:30:00 or 90. Its format differs from the MM:SS rule in the lecture playback-speed calculator.
Calculation criteria and reference materials
The calculation formula and scope of this tool are disclosed in the above description. Examples can be checked by substituting input values into the formula or following the specified string and calendar handling rules.
Verification of calculation criteria: · Calculation·verification principles · Report errors