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Total Float in CPM Solution

STEP 0: Pre-Calculation Summary
Formula Used
total_float = LFT-EFT
TF0 = LFT-EFT
This formula uses 2 Variables
Variables Used
LFT - LFT is the latest time at which the activity can be completed without delaying the project. (Measured in Day)
EFT - EFT is the earliest finish time of an activity which occurs if the activity starts at earliest start time and takes estimated time t complete the activity. (Measured in Day)
STEP 1: Convert Input(s) to Base Unit
LFT: 50 Day --> 4320000 Second (Check conversion here)
EFT: 52 Day --> 4492800 Second (Check conversion here)
STEP 2: Evaluate Formula
Substituting Input Values in Formula
TF0 = LFT-EFT --> 4320000-4492800
Evaluating ... ...
TF0 = -172800
STEP 3: Convert Result to Output's Unit
-172800 --> No Conversion Required
FINAL ANSWER
-172800 <-- Total Float
(Calculation completed in 00.016 seconds)

1 Other formulas that calculate the same Output

Total Float
total_float = Late Finish Time-(Early Start Time+Activity time) Go

Total Float in CPM Formula

total_float = LFT-EFT
TF0 = LFT-EFT

What is Float?

Float, sometimes called slack, is the amount of time an activity, network path, or project can be delayed from the early start without changing the completion date of the project.

How to Calculate Total Float in CPM?

Total Float in CPM calculator uses total_float = LFT-EFT to calculate the Total Float, Total Float in CPM is the time span by which the starting or finishing time can be delayed without delaying or affecting the overall project. The formula above is also valid as Tf=LST-EST. Total Float and is denoted by TF0 symbol.

How to calculate Total Float in CPM using this online calculator? To use this online calculator for Total Float in CPM, enter LFT (LFT) and EFT (EFT) and hit the calculate button. Here is how the Total Float in CPM calculation can be explained with given input values -> -172800 = 4320000-4492800.

FAQ

What is Total Float in CPM?
Total Float in CPM is the time span by which the starting or finishing time can be delayed without delaying or affecting the overall project. The formula above is also valid as Tf=LST-EST and is represented as TF0 = LFT-EFT or total_float = LFT-EFT. LFT is the latest time at which the activity can be completed without delaying the project and EFT is the earliest finish time of an activity which occurs if the activity starts at earliest start time and takes estimated time t complete the activity.
How to calculate Total Float in CPM?
Total Float in CPM is the time span by which the starting or finishing time can be delayed without delaying or affecting the overall project. The formula above is also valid as Tf=LST-EST is calculated using total_float = LFT-EFT. To calculate Total Float in CPM, you need LFT (LFT) and EFT (EFT). With our tool, you need to enter the respective value for LFT and EFT and hit the calculate button. You can also select the units (if any) for Input(s) and the Output as well.
How many ways are there to calculate Total Float?
In this formula, Total Float uses LFT and EFT. We can use 1 other way(s) to calculate the same, which is/are as follows -
  • total_float = Late Finish Time-(Early Start Time+Activity time)
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