How to calculate PPH using a start time and end time on same day.

Scott Kulefsky 0 Reputation points
2026-05-23T21:27:14.0666667+00:00

I'm trying to calculate the PPH of a dock door by busing the start time, end time time, and total packages but I keep getting errors. I've tried multiplying the time difference by 24 to convert the duration to a decimal and using the INT function.

Microsoft 365 and Office | Excel | For home | Windows
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  1. AI answer

    2026-05-23T21:27:53.5433333+00:00

    Use the time difference directly, then divide packages by hours.

    Assume:

    • Start time in A2
    • End time in B2 (same day)
    • Total packages in C2
    1. Calculate elapsed hours (as a decimal): 
         =(B2-A2)*24
      Make sure A2 and B2 are valid Excel times (e.g., 8:00 AM, 2:30 PM).
    2. Calculate PPH (packages per hour): 
         =C2/((B2-A2)*24)

    If B2 is earlier than A2, or either cell is text instead of a real time value, Excel will return errors. Both cells must be proper date/time values on the same day.

    To display the elapsed time instead of decimal hours, you can also use:

    =B2-A2

    and format the result cell as h:mm or h:mm:ss as shown in the time-difference examples.

    References:

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