Need help with Excel formula

Posted on 2014-01-14
Medium Priority
Last Modified: 2014-02-05

I have the following worksheet attached with the following fields.

Tracking ID
Project date
Project value
Project Length

I am trying to come up with a formula to calculate project value by how long the project is. For example if the project date is 1/1/2014, the project was for 2 years, and valued at $100, the project value by year would be $50 in 2014 and $50 in 2015.

See attached file.
Question by:tawathav
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LVL 23

Expert Comment

ID: 39780319
no attachment....

Author Comment

ID: 39780335
LVL 81

Expert Comment

ID: 39780362
If you don't need to pro-rate projects for partial years, you could use:
LVL 81

Expert Comment

ID: 39780549
If years need to be pro-rated because projects don't always begin on January 1, then the formula gets more complex:
LVL 50

Accepted Solution

barry houdini earned 1500 total points
ID: 39780659
Hello Brad,

I tried that longer formula with the "Project Date" for Project id 2 set to 1st May 2014 for all rows - the values returned for all years were as I expected except for 2019 when I got 1328.77 instead of the expected 328.77.

I think you can use this formula in row 2 copied down


see comparison attached

regards, barry

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