Here is a formula I've used that is actually fairly accurate.
Originally Posted by Suelin23
Estimating Times to do projects
Here's a good back-of-the-envelope estimate:
L = least possible time the project could take (most optimistic)
M = most likely time for the project to take (best guess)
W = worst case for time project could take (most pessimistic)
Obviously L < M < W
Estimated time = (L+3*M+W)/5
Then when I am setting a deadline that has monetary consequences (like to a boss or customer) I double that time.
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