I am using format-value-time to have cells where I input minutes/seconds, like 13:45 for 13 minutes & 45 seconds. If I have several of these cells, how can I add them all up?


Cell1: 00.13.45

Cell2: 00.05.12

Cell3: Should display cell1 + cell2 in the format 00.18.57


You should be able to do that quite easy with a summation (do use colons (:) in the notation):

  • A1=00:13:45
  • A2=00:05:12

Then use SUM formula:

  • SUM(A1:A2)

The result will be: 00:18:57

UPDATE 18-01-2013
See example file I´ve created: Google Spreadsheets: Counting minutes/seconds

If you use Neo's formula, to get rid of the points, in combination with an ARRAYFORMULA you will get the result as well:


See example file (+1 for Neo)

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  • 1
    It could have problem if the summation of hour is more than 24. The cells hide date value. – neo Jan 17 '13 at 13:57
  • @neo: it doesn't affect hours beyond 24 hours, see example file. -1 for you. – Jacob Jan Tuinstra Jan 17 '13 at 14:08
  • haha. I set the column format to time but it couldn't beyond 24 hours. +1 for you. – neo Jan 17 '13 at 14:13
  • "do use double point in the notation" I've always heard this called a colon. Is "double point" correct for time notation? – spex Oct 11 '13 at 13:17
  • @spex I guess you're right !! I have an excuse though: I'm Dutch....Why don't you edit my answer and make the correction. – Jacob Jan Tuinstra Oct 11 '13 at 13:22

Below should help,

=TIME(LEFT(A1,2), MID(A1,4,2), RIGHT(A1,2))+TIME(LEFT(A2,2), MID(A2,4,2), RIGHT(A2,2))
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