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How to convert time difference between two times to number (hours/minutes/seconds) in Excel?

Author: Siluvia Last Modified: 2020-11-20

Normally, when calculating time difference with subtraction in Excel, you will get the result as hh:mm or hh:mm:ss format. For directly converting time difference to number such as hours/minutes/seconds only after calculating, methods in this article will do you a favor.

Convert time difference to number (hours/minutes/seconds) with formulas
Easily convert time difference to hours/minutes/seconds with an amazing tool


Convert time difference to number (hours/minutes/seconds) with formulas

Please do as follows to convert time difference to number.

Convert time difference to hours

Select a blank cell (in this case, I select C2), enter the below formula into it and press the Enter key. Then drag the AutoFill Handle down to get all time differences in hours format. See screenshot:

=(B2-A2)*24

Convert time difference to minutes

For converting time difference to minutes, please use the below formula.

=(B2-A2)*1440

Convert time difference to seconds

The below formula can help you directly convert time difference to seconds format as below screenshot shown.

=(B2-A2)*86400

Note: In the above formulas. A2 contains the start time, and B2 contains the end time. You can change them as you need.


Easily convert time difference to hours/minutes/seconds with an amazing tool

Here highly recommend the Date & Time helper of Kutools for Excel to quickly calculate time differences and display as hours, minutes or seconds with several click only.

Before applying Kutools for Excel, please download and install it firstly.

1. Select a blank cell to output the time difference, click Kutools > Formula Helper >Date & Time helper.

2. In the Date & Time Helper dialog box, please configure as follows.

2.1) Click the Difference tab;
2.2) In the Date1 box, select the cell containing the start time;
2.3) In the Date2 box, select the cell containing the end time;
2.4) In the Output result type drop down list, select Hour, Minute or Second as you need;
2.5) Click OK. See screenshot:

Then you will get the time difference displaying in hour, minute or second between specified times.
Tips: A formula will inserted into the selected cell automatically, you can drag the AutoFill Handle down to get the other time differences.

  If you want to have a free trial (30-day) of this utility, please click to download it, and then go to apply the operation according above steps.

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