Intake/Exhaust Balance Calculator

Verify proper balance between intake and exhaust ventilation.

Surface area measurement (length × width for rectangles).
sq ft
Flow of electrical charge measured in amperes (A).
sq in
Flow of electrical charge measured in amperes (A).
sq in

Results

Required Total NFA:
Sum of all calculated values.
-sq in
Intake Status:
Calculated intake status based on your inputs.
-
Exhaust Status:
Calculated exhaust status based on your inputs.
-
Recommendation:
Calculated recommendation based on your inputs.
-
Reference: Industry Standards. 50/50 intake/exhaust split for optimal performance.