project management glossary

float

 The difference between the time available for performing a task and the time required to complete it. If the total float for a task equals zero, then that task is on the critical path.

 Available time for activity execution less time taken by the activity.

 The amount of time that an activity can slip past its duration without delaying the rest of the project. The calculation depends on the float type. All float is calculated when a project has its schedule computed.

 The 'full time' for an activity during which it can be delayed without delaying the overall program.

 The additional time available to complete non-critical activities or work items without affecting the critical path (i.e. the total project duration).

 The amount of time that an activity may be delayed from its early start with out delaying the project finish date. Float is a mathematical calculation and can change as the project progresses and changes are made to the project plan. Also called slack, total float, and path float

 A measure of the time flexibility available in the performance of an activity. Available in three flavors; Total Float, Free Float and Independent Float.

 Same as Slack Time.

 See also Start Float, Finish Float, Positive Float, Negative Float and Free Float.