PERT Estimated Time Formula

Whenever you’re in doubt whether that GANTT chart reflects accurately a task’s duration, here’s a formula that takes you one level above guestimation. Enter PERT (Program Evaluation and Review Technique) Estimated Time Formula:

shortest time + 4 x likely time + longest time

If you’re into the theory behind this formula, check Wikipedia or this link.


Leave a Reply (name and email are optional, not required)

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s