Fortunately, Microsoft Excel can convert them very easily for you ... Microsoft Excel is a versatile... =A1/60 converts seconds into a decimal fraction of one minute =A1/3600 converts seconds ...

The time value 5:11:30 PM is 30 seconds into the minute. The decimal value .693 is 55 seconds into the minute. Internally, Excel stores the time as a decimal value. The quickest way to see that ...