Early Finish Time Formula

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Early Finish Time is the earliest point in time when the scheduled activity can complete. Check FAQs
EFT=EST+S
EFT - Early Finish Time?EST - Early Start Time?S - Safety Stock?

Early Finish Time Example

With values
With units
Only example

Here is how the Early Finish Time equation looks like with Values.

Here is how the Early Finish Time equation looks like with Units.

Here is how the Early Finish Time equation looks like.

46Edit=19Edit+27Edit
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Early Finish Time Solution

Follow our step by step solution on how to calculate Early Finish Time?

FIRST Step Consider the formula
EFT=EST+S
Next Step Substitute values of Variables
EFT=19d+27d
Next Step Convert Units
EFT=1.6E+6s+2.3E+6s
Next Step Prepare to Evaluate
EFT=1.6E+6+2.3E+6
Next Step Evaluate
EFT=3974400s
LAST Step Convert to Output's Unit
EFT=46d

Early Finish Time Formula Elements

Variables
Early Finish Time
Early Finish Time is the earliest point in time when the scheduled activity can complete.
Symbol: EFT
Measurement: TimeUnit: d
Note: Value should be greater than 0.
Early Start Time
Early Start Time is the earliest point in time when the scheduled activity can begin.
Symbol: EST
Measurement: TimeUnit: d
Note: Value should be greater than 0.
Safety Stock
Safety Stock is the extra stock that is always maintained to mitigate any future risks arising due to stock-outs.
Symbol: S
Measurement: TimeUnit: d
Note: Value should be greater than 0.

Other formulas in Time Estimation category

​Go Expected Waiting Time for Customers in Queue
Wq=λaµ(µ-λa)
​Go Expected Waiting Time for Customers in System
Ws=1µ-λa
​Go Free Float
FF0=EFT-EST-tactivity
​Go Independent Float
IF0=EFT-LST-tactivity

How to Evaluate Early Finish Time?

Early Finish Time evaluator uses Early Finish Time = Early Start Time+Safety Stock to evaluate the Early Finish Time, Early Finish Time is the earliest point in time when the scheduled activity can complete. We use a forward pass for calculating this. Early Finish Time is denoted by EFT symbol.

How to evaluate Early Finish Time using this online evaluator? To use this online evaluator for Early Finish Time, enter Early Start Time (EST) & Safety Stock (S) and hit the calculate button.

FAQs on Early Finish Time

What is the formula to find Early Finish Time?
The formula of Early Finish Time is expressed as Early Finish Time = Early Start Time+Safety Stock. Here is an example- 0.000521 = 1641600+2332800.
How to calculate Early Finish Time?
With Early Start Time (EST) & Safety Stock (S) we can find Early Finish Time using the formula - Early Finish Time = Early Start Time+Safety Stock.
Can the Early Finish Time be negative?
No, the Early Finish Time, measured in Time cannot be negative.
Which unit is used to measure Early Finish Time?
Early Finish Time is usually measured using the Day[d] for Time. Second[d], Millisecond[d], Microsecond[d] are the few other units in which Early Finish Time can be measured.
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