Excel: Converting a duration (hours, minutes, seconds) to increments of 6 minutes - excel

I have a spreadsheet column with durations of hours, minutes, and seconds. For example, 0:01:00 is 1 minute. 1:06:28 is 1 hour, 6 minutes, and 28 seconds.
I'm trying to convert this data into increments of 10% of an hour (6 minutes). So, 0:00:01 (a second) would be converted to 0.1. 0:06:00 (6 minutes) would also be 0.1. 1:12:01 (1 hour, 12 minutes and 1 second) would be 1.3.
Any ideas on how to handle this in Excel (or Google Sheets)? Thanks very much.

The formula is:
=ROUNDUP(A1*24, 1)
Intervals (time) in Excel are stored as fractions of a 24 hour day, so converting the day fraction to an hour fraction just means multiplying by 24.

=ROUNDUP(A1*24, 1) won't work in OpenOffice Calc nor in some configurations of Google Sheets and Excel, but
=ROUNDUP(A1*24;1)
will (in OpenOffice Calc and some configurations of Google Sheets and Excel).

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Looking for formula to determine how many of the time given between 14:00 to 22:00
enter image description here
You can subtract both datetimes and you'll get the amount of days. If you want it to be in seconds, you just need to multiply this by the amount of seconds within one day (60 seconds * 60 minutes * 24 hours), and obviously, don't forget to format your cell content as a simple number (the subtracting might cause a datetime formatting, which is not what you want).

Microsoft Excel getting seconds elapsed in a time interval

Is there a formula in excel to get the total seconds elapsed in a specific time period? For example I need to get the total seconds starting 12:00mn to 6:37am. I also have more than 2000 rows, so having the exact formula that can compute all at once would make it easier. thank you
There are a few ways to do it, the simplest one is to simply multiply the time difference by 86400 (24 hours * 60 minutes * 60 seconds).
=(EndTime-StartTime)*86400

How to change the default format to Total hours: Total minute: Sec in excel?

I have a column which has total machine hours of certain activity. For instance, I have values like followed,
Total Production Time
5:35:55
36:35:09
55:24:45
I couldn't perform any calculation with this column neither import the column into other tools because excel gets this fields has hh: mm: ss AM/PM format. Even if I change to this column into text it gives me some decimal value.
My ultimate aim to calculate total minutes [total hours]*60 + minutes or make this column as it is to import it to my tool where I can achieve the same
I wanted to convert this hour into minutes.
Excel sees date/time as the number of days since 1/1/1900. Time is a decimal fraction of a day.
So 12 hours is 0.5
To get the number of minutes you would multiply by 24 hours and 60 minutes:
=A1*24*60
This will return the number of minutes.

Excel units of time conversion

I need to change a value of time from days:hours:minutes, into either hours with a decimal or minutes. My data comes up as 001:05:46 for example. I am having trouble with the leading zeros confusing excel. Any help would be great!
Assuming that your value to parse is formatted in DDD:HH:MM like 001:05:46... There are a lot of ways to do this but here's a simple one. To convert into hours we need to take the days times 24 hours per day, add the hours, and add the minutes times 1 hour per 60 minutes:
=LEFT(A1,3)*24+MID(A1,5,2)+RIGHT(A1,2)/60
To get this value in terms of minutes we multiply by 60 minutes per hour. A possible modification of the original formula to reach this point would be:
=LEFT(A1,3)*24*60+MID(A1,5,2)*60+RIGHT(A1,2)

Subtract time from duration only if above specified amount

Working on a timesheet (duplicate of sheet 1 in link).
The current function to handle the calculations is:
B4=6:00am
C4=6:00pm
X4=0:30:00
=IF(OR(B4="",C4=""),"",IFERROR(C4-B4-X4,""))
The thing is we don't subtract 30 minutes for lunch unless an employee works longer than 6 hours and 15 minutes.
How can I fix my function to only subtract 30 mins for lunch if the total time for that day is over 6 hours and 15 mins?
Provided there is no risk of times spanning midnight, please try:
=IF(OR(B4="",C4=""),"",IF(C4-B4>6.25/24,C4-B4-X4,C4-B4))

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