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Flow Rate Conversion:
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The US GPM to CFM conversion calculates flow rate from US gallons per minute to cubic feet per minute. This conversion is essential in fluid dynamics, HVAC systems, and industrial applications where different units of flow measurement are used.
The calculator uses the conversion formula:
Where:
Explanation: One US gallon equals approximately 0.13368 cubic feet, so the conversion multiplies the GPM value by this factor to obtain CFM.
Details: Accurate flow rate conversion is crucial for system design, equipment selection, and performance calculations in plumbing, HVAC, fire protection, and industrial processes where different measurement standards are used.
Tips: Enter the flow rate in US gallons per minute (GPM). The value must be non-negative. The calculator will automatically convert it to cubic feet per minute (CFM).
Q1: What is the difference between US GPM and CFM?
A: US GPM measures liquid flow in gallons per minute, while CFM measures gas or air flow in cubic feet per minute. The conversion allows comparison between different fluid measurement systems.
Q2: Is this conversion exact?
A: The conversion factor is mathematically exact based on the definition of US gallon (231 cubic inches) and cubic foot (1728 cubic inches).
Q3: When is this conversion typically used?
A: Commonly used in HVAC systems, pump specifications, water treatment plants, and industrial processes where both liquid and gas flow rates need to be compared or converted.
Q4: Are there different types of gallons?
A: Yes, this calculator uses US gallons (3.78541 liters). Imperial gallons (4.54609 liters) would require a different conversion factor.
Q5: Can this conversion be used for any fluid?
A: The conversion is unit-based and applies to any fluid, but density and viscosity differences may affect actual flow characteristics in practical applications.