How to Convert Time to Decimal Format 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.

Microsoft Excel also uses fractional days within dates similar to Julian dates but called serial dates. The time of day is stored as a decimal fraction of the 24 hours clock starting from midnight.

How to Convert Decimals to Feet and Inches in Excel. A single, decimal figure offers convenience when calculating, but units of feet and inches are the norm.