What is total float and free float and what's the differences?

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Total float is the amount of time an activity can be delayed without delaying the project, while free float is the amount of time an activity can be delayed without delaying the early start of its successor activity.

Total float is the total amount of time that an activity can be delayed without delaying the project completion date.
Free float is the amount of time that an activity can be delayed without delaying the early start of its successor activity.
Total float considers the entire project schedule, while free float only considers the specific relationship between two activities.
For example, if Activity A has a total float of 5 days, it can be delayed by up to 5 days without affecting the project deadline. If Activity B has a free float of 2 days, it can be delayed by up to 2 days without affecting the early start of its successor activity.

What is total float and free float and what's the differences?

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