How to show time with milliseconds in Excel?

For example a recorded time contains milliseconds, such as 10:33:50.235. When I type this time into a cell in Excel, the time shows as 33:50.2. After changing to the time format, the time shows as 10:33:50 AM with milliseconds disappearing. Is there any way to show time normally with remaining milliseconds in Excel? Yes, the following method will help you solve it easily.

Show time with milliseconds by Format Cells feature in Excel

Show time with milliseconds by Format Cells feature in Excel

This method will walk you through creating a custom time format to show time with milliseconds in Excel. Please do as follows:

1. Select the time cells that you will show time with milliseconds, right click and select the Format Cells from the right-clicking menu. See screenshot:

2. In the opening Format Cells dialog box, go to Number tab, click to highlight the Custom in the Category box, and then type the format code hh:mm:ss.000 into the Type box.

3. Click the OK button. Then you will see the milliseconds are showing with time as below screenshot shown:

Tip: Save the formatted time as Auto Text entry, and reuse its formatting in future easily
Normally we can apply custom format for cells with adding custom format code in the Format Cell dialog box in Excel. However, this custom format code is only saved in this workbook, and we can’t apply the custom format in other workbooks directly. Kutools for Excel’s AutoText utility enables us to save a formatted data/cell as an Auto Text entry, so that we can copy its custom format to other ranges of any workbooks directly. Full Feature Free Trial 30-day!
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Demo: Show time with milliseconds in Excel

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    Emil · 9 months ago
    Something to watch out for: in some locales it won't work if you use this exact solution. In my version you need to use the format "uu:mm:ss,000" (that's a comma instead of a decimal point, and u is for "uren", dutch for hours).
    Not sure whether it has to do with windows version, windows language, windows regional settings, used locale or office version.

    For those of you who still want to show a decimal instead of a comma (like me), you can use this workaround (if your value is in cell A1)


    Or adapt where necessary for your locale.
  • To post as a guest, your comment is unpublished.
    Brett · 2 years ago
    Thanks very much for this.
  • To post as a guest, your comment is unpublished.
    Peter Bain · 3 years ago
    Thank you for this information. I need to enter times as per a stop watch in minutes, seconds and hundredths eg 1.23.56. I then need to calculate time differences which can be positive or negative. I get an error if negative and it shows #######.

    Ideally I would like to enter using . rather than : as I have a larger number of times to enter.