While Microsoft Excel automatically reformats time values as hours and minutes, you can manually change the cell's time format to display the seconds as well.

Converting time to decimal format just involves basic division. There are 24 hours in a day, 60 minutes in an hour and 60 seconds in a minute. Converting Seconds to Decimal ...

In addition to converting temperatures, the CONVERT function can be used to convert more than 100 units of measure in the areas of weight and mass, distance, time, pressure, force, energy, power, ...