HVAC (Air & Water) Testing, Adjusting & Balancing
(TAB)
:
Commissioning Calculators.
Please select an option from below...
Air
(Square/Rectangular)
Volumetric flow rate calculator.
Air
(Circular)
Volumetric flow rate calculator.
Water
PD to FR
(with known KV)
Pressure drop to flow rate calculator.
Water
FR to PD
(with known KV)
Flow rate to pressure drop calculator.
Average Finder
(for any units of measure)
2-80 result grid based average calculator.
Scientific
Calculator
A Standard Scientific Calculator.
Equations
HVAC formulas
and equations
Inc Flat Oval, Air
Pressure & Velocity.
About
HVAC TAB
Commissioning Calc
About, Help &
Contact details.
Air
(Square/Rectangular)
:
Volumetric flow rate calculator.
Enter dimensions
(mm)
:
x
Circular?
Enter the average of anemometer scan or traverse readings:
m/s
(OPTIONAL)
Enter design volume:
m³/s
Results..
Cross sectional area =
㎡
Volumetric Flow Rate..
VOLUME
If design volume is entered above..
% OF DESIGN
m³/s
Convert?
%
%
REQ m/s?
If design volume is entered above shows
required
average of anemometer scan or traverse readings to achieve 100% of design.
LOOKING FOR
=
m/s
Converted...
m³/s
m³/m
m³/h
ft³/s
ft³/m
ft³/h
l/s
l/m
l/h
Clear All
Update Results
Tip:
Need to save the data? Simply screenshot your results!
© Design, Hosting & Copyright
keybit Services
2016 - 2026.
× HIDE AVERAGE CALC