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How to round time to nearest hour/minute/second in Excel?

doc-round-time-1
This tutorial is talking about rounding time to nearest hour, minute or second in Excel as below screenshot shown.
Round time to nearest hour/minute/second

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Kutools' Convert Time utility can quickly convert a time to decimal hours, minutes, seconds.
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Time to decimal hours
Time to decimal minutes
Time to decimal seconds
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arrow blue right bubble Round time to nearest hour/minute/second


Round time to nearest 1 hour

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Select a cell and type this formula =MROUND(A2,"1:00") into it, and press Enter key, then drag autofill handle to the cells you need.
doc-round-time-2

Tips:

1. You need to format the cells as time format firstly by selecting cells and right clicking to select Format Cells in the context menu; in the Format Cells dialog, selecting Time in Category list and then selecting a time type in Type list, and clicking OK.

2. You also can use these formulas to round time to nearest hour =ROUND(A2/(1/24),0)*(1/24) or =MROUND(A2,1/24).

3. If you want to round time to previous 1 hour, you can use this formula =FLOOR(A2,1/24).

4. In above formulas, you can change 1 to other number as you need.

Round time to nearest 15 minute

Select a cell and type this formula =ROUND(A2*(24*60/15),0)/(24*60/15) into it, and press Enter key, then drag autofill handle to the cells you need.doc-round-time-3

Tip:

1. You need to format the cells as time format firstly by selecting cells and right clicking to select Format Cells in the context menu; in the Format Cells dialog selecting Time in Category list, selecting a time type in Type list, and clicking OK.

2. You also can use this formula =MROUND(A2,15/60/24) to round time to nearest minute.

3. If you want to round time to previous 15 minute, use this formula =FLOOR(A2,15/60/24).

4. In above formulas, you can change 15 to other number as you need.

Round time to nearest 10 second

Kutools for Excel, with more than 120 handy Excel functions, enhance your working efficiency and save your working time.

Select a cell and type this formula =MROUND(A2, 10/86400) into it, and press Enter key, then drag autofill handle to the cells you need.
doc-round-time-4

Tip:

1. You need to format the cells as time format firstly by selecting cells and right clicking to select Format Cells in the context menu, then go to select a time type in the Format Cells dialog.

2. In above formula, you can change 10 to other number as you need. For example, use =MROUND(A2, 20/86400) to round time to nearest 20 second.

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Round (Rounding numbers, round down/up, round to even without formulas.)

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  • To post as a guest, your comment is unpublished.
    Me · 7 months ago
    Thank You for posting this!
  • To post as a guest, your comment is unpublished.
    Mark Tindal · 1 years ago
    Hi, your formula for rounding to the nearest minute should be MROUND(A2,1/60/24), thanks for great work on these.
  • To post as a guest, your comment is unpublished.
    jaime · 1 years ago
    hi do have any formula to round up total hours 1 minute into 1 hours, example 124:01-125:00
    • To post as a guest, your comment is unpublished.
      Sunny · 11 months ago
      Hello, jaime, this fomrula can help you =ROUNDUP( B2*24, 0) / 24
  • To post as a guest, your comment is unpublished.
    Nancy · 1 years ago
    Thank you for posting a way to round the time down to the nearest hour with the Floor function! It's the only thing that actually worked!
  • To post as a guest, your comment is unpublished.
    Carlos · 1 years ago
    Hi,

    I’m trying to round down over time hours. Everything should be in down to the hour examples
    1:56 – 1:00
    2:17 – 2:00

    I’m using floor currently but have come to a little problem. When it is exactly on the hour like 1:00, 2:00, 3:00, it rounds down to 0:00, 1:00, 2:00 but should stay at respective hours. Any possible solution?

    Thanks!
    • To post as a guest, your comment is unpublished.
      Sunny · 1 years ago
      Sorry for reply you too late, I did not found the direct formula to solve your problem, but you can add 1:00 into a cell, and then use =FLOOR(A2,1/24)-the cell contains 1:00 to get the correct answer.
      • To post as a guest, your comment is unpublished.
        David Greer · 3 months ago
        What is the easiest formula to round Work Time Hours down to the nearest tenth of an hour?
        • To post as a guest, your comment is unpublished.
          hita · 1 months ago
          =ROUND(G2*(1*60/30),0)/(1*60/30) , you mean like this?