# Excel Formula Date Projection in 6,7,12 & 13 Periods?

#### tpir72

##### New Member
I have a member's only site that I run. A membership is purchased for either 6, 7, 12 or 13 months. I have just exported all the recurring payment list from Paypal. It has member's contact data and the last column is their original signup date in this format 10/6/2010.
Can you help me please figure out a formula based off the original signup date in one cell. The next cell to the right would be the number of months multiplier. Each cell to the right would be a projected renewal date in the above date format. Can that formula be setup so it loads cells to its right projecting every renewal period date over the next ten years? An easy example would be below. Where it gets really screwy for me is 7 & 13 months starting on a numbered day that isn't in every month like the 29th. I have a spread sheet of three hundred members so I would need to copy this formula for at least 300 members (down a column?).

Original Date - Membership Period - Renewal Date - Renewal Date - Renewal Date - Etc...
10/6/10 - 7 - 5/6/11 - 12/6/11 - 7/6/12

Thank you very much for the help. I sincerely appreciate it.

Regards,

Terry

### Excel Facts

Fastest way to copy a worksheet?
Hold down the Ctrl key while dragging tab for Sheet1 to the right. Excel will make a copy of the worksheet.

#### Ron Coderre

##### MrExcel MVP
With your sample data in Row 1 and 2, beginning in A1
This formula calculates each successive renewal data
Code:
``C2: =EDATE(\$A2,\$B2*COLUMNS(\$C:C))``
Copy that formula across and down as far as you need.

Is that something you can work with?

#### tpir72

##### New Member
Hi Ron,
Thank you very much. The spreadsheet layout I am using is formatted so all the original dates are down column "G" and the duration in months is down column "H". How would I edit your formula correctly to do this?

Regards,

Terry

#### tpir72

##### New Member
Here's the way the data is laid out in the workbook. How would I edit your formula for results starting in column "I"?

Regards,

Terry

 Name Email Address Duration Date Amount Status Date Months Mr. Smith mrsmith@somemailaddress.com One Year Membership 10/11/2010 \$xx.xx USD Active 10/11/2010 12 Mr. Jones mrjones@somemailaddress.com Six Month Membership 10/6/2010 \$xx.xx USD Active 10/6/2010 6 Mrs. Smith mrssmith@somemailaddress.com Thirteen Month Membership 10/29/2011 \$xx.xx USD Active 10/29/2011 13 Mrs. Jones mrsjones@somemailaddress.com Seven MembershipMembership 10/15/2011 \$xx.xx USD Active 10/15/2011 7

<tbody>
</tbody>

#### TMShucks

##### Active Member
Code:
``````Code:
I2: =EDATE(\$G2,\$H2*COLUMNS(\$I:I))``````

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