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This tutorial will demonstrate how to convert a time value to minutes in Excel & Google Sheets.
Convert Time to Minutes – Excel
Excel stores time as a decimal value where each 1/24th represents one hour of a day. Understanding this, you can convert a time to minutes by multiplying the time by 1440:
Why does this work? Remember that there are 24 hours in a day, 60 minutes in an hour. So there are 24*60=1,440 minutes in a day. By multiplying the time by 1440 you calculate the number of minutes corresponding to the time.
Format as Number
When you multiply time by 1,440, Excel may format the result as time (ex. h:mm):
To display the result as a regular number, change the formatting to General:
Convert Time to Minutes in Google Sheets
All of the above examples work exactly the same in Google Sheets as in Excel.