# Face Velocity Calculator, Formula, Face Velocity Calculation

## Face Velocity Formula:

Enter the values of Air Flow Rate AF(ft3/s) & Face Area FA(ft2) to determine the value of Face Velocity FV(ft/s) .

 Enter Air Flow Rate: ft3/s Enter Face Area: ft2 Result – Face Velocity: ft/s

## Face Velocity Calculator:

The Air Flow Rate AF(ft3/s) in feet cubic per second is divided by the Face Area FA(ft2) in feet square is equal to the Face Velocity FV(ft/s) in feet per second.

The Formula of Face Velocity can be writtern as,

FV(ft/s) = AF(ft3/s) / FA(ft2)

Here,

FV(ft/s) = Face Velocity in feet per second

AF(ft3/s) = Air Flow Rate in feet cubic per second

FA(ft2) = Face Area in feet square

### Calculation for Face Velocity:

1)Calculate the Face Velocity and given for Air Flow Rate 8075 ft3/s , Face Area = 5 ft2.

Solution

FV = AF / FA

FV = 80 / 5

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FV = 16ft/s.

2)Calculate the Face Area and given for Air Flow Rate 8075 ft3/s , Face Velocity = 16ft/s.

Solution

FV = AF / FA

16 = 80 / FA

FA = 5 ft2.