Velocity Check Calculators

2. Design Considerations

2.1 Velocity Check for Liquid or Gas Applications

Note: These online calculators are for your convenience. Please verify all results.

Liquid-English

Flow Rate (gpm): 
Flow Area (sq in): 



The velocity (ft./sec.): 

Liquid-Metric

Flow Rate (lpm): 
Flow Area (sq cm): 



The velocity (mps): 

Gas-English

Flow Rate (cfm): 
Flow Area (sq in): 



The velocity (ft./sec.): 

Gas-Metric

Flow Rate (cub m/min):
Flow Area (sq cm):



The velocity (mps):