Excel Formula: Convert Time to Decimal Seconds

This tutorial provides a formula for converting time to decimal seconds in Excel.

If you want to follow along with this tutorial, please download the example spreadsheet.

Generic formula:

Arguments

Return Value

The formula returns a value in time format, then format the result as number as you need to get the decimal seconds.

How this formula work

Supposing in cell B3, there is a time value, to convert the time to decimal seconds, please use below formula:

Press Enter key to get a value in time format.

Click Home tab, and go to the Number Format drop-down list to choose General or Number to display the result as a number.

Explanation

There are 24 hours a day, and one hour is equal to 60 minutes, one minutes is 60 seconds. To convert the time to decimal seconds, you should multiply the value 24*60*60.

Relative Formulas

• Convert Decimal Minutes to Time Format
  This tutorial provides a formula to convert decimal minutes to Excel time.
• Convert Decimal Seconds To Time
  To convert decimal seconds to Excel time in Excel, a formula can help you.
• Convert Time to Decimal Hours
  Here provides a formula that converts time to decimal hours in Excel and explains how the formula works.
• Convert Time To Decimal Minutes
  In this tutorial, it provides a formula for converting time to decimal minutes in Excel.

Relative Functions

• Excel IF Function
  Test for specified conditions, then returns the corresponding values
• Excel VALUE Function
  Convert text to number.
• Excel MONTH Function
  The MONTH is used to get the month as integer number (1 to 12) from date.
• Excel DAY Function
  DAY function gets the day as a number (1 to 31) from a date
• Excel YEAR Function
  The YEAR function returns the year based on the given date in a 4-digit serial number format.

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