How to calculate end date from start date and duration in Excel?

If you have a list of start dates and durations, now, you want to calculate the end date based on the start date and duration. How could you solve this job in Excel?

Calculate end date from start date and duration with formulas

Calculate end date from start date and duration with Kutools for Excel

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Add number of years / months / days / weeks to date: Kutools for Excel’s Formulas utility contains some commonly-used formulas, such as add years to date, calculate age based on birthday and so on. With these usual formulas, you can quickly get the result that you want without remembering any formulas. < Kutools for Excel: with more than 200 handy Excel add-ins, free to try with no limitation in 60 days. Download and free trial Now!

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Calculate end date from start date and duration with formulas

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The following formulas can help you to calculate the end date from the given start date and duration, please do as this:

Calculate end date from start date and duration(weeks):

1. To calculate the end date from start date and number of weeks, please enter this formula:

=IF(A2,A2+(B2*7),"") into cell C2, and then drag the fill handle down to the cells you want to apply this formula, and a list of numbers are displayed as following screenshot shown:

Note: in this formula: A2 is the start date and B2 is the duration.

2. Then you should format the numbers as date format, click Home tab, choose Short Date from the General drop down list, and the numbers have been formatted as date format, see screenshot:

Calculate end date from start date and duration(months):

If you want to calculate the end date from start date and number of months, the following formula may do you a favor:

Enter this formula: =DATE(YEAR(A2),MONTH(A2)+B2,DAY(A2)) into cell C2, and then drag the fill handle down to the cells you want to fill this formula, and the end date has been calculated at once, see screenshot:

Note: In this formula: A2 is the start date and B2 is the duration.

Calculate end date from start date and duration(years):

To calculate end date based on given start date and number of years, please apply this formula:

Enter this formula: =DATE(YEAR(A2)+B2,MONTH(A2),DAY(A2)) into cell C2, and drag the fill handle down the cells that you want to apply this formula, and all end dates have been calculated. See screenshot:

Note: In this formula: A2 is the start date and B2 is the duration.

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Calculate end date from start date and duration with Kutools for Excel

Perhaps, you are bored with the above formulas, here, I will talk about a useful tool-Kutools for Excel, with its Add years / months / weeks / days to date features, you can quickly deal with this job as easily as possible.

Kutools for Excel : with more than 300 handy Excel add-ins, free to try with no limitation in 60 days.

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After installing Kutools for Excel, please do as follows:

1. Click a cell where you want to output the calculated result, and then click Kutools > Formula Helper > Add days to date / Add years to date / Add months to date / Add weeks to date (here, I will take an example with Add weeks to date), see screenshot:

2. In the Formula Helper dialog box, click button to select the start date beside the Date Time text box, and then click button beside the Number text box to choose the duration cell, see screenshot:

3. Then click Ok button, and the end date has been calculated, and then drag the fill handle down to the cells to fill the calculated results, see screenshot:

Note: You can calculate end date from start date and number of days or months or years as same as the above steps.

Click Download Kutools for Excel and free trial Now!

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