What Is This Tool?
This converter transforms flow rate values measured in cubic foot per minute, commonly used for air and gas volume flow, into U.S. liquid gallons per minute, a unit frequently used for liquid flow rates in plumbing, irrigation, and fuel systems.
How to Use This Tool?
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Enter the flow rate value in cubic foot per minute
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Select cubic foot/minute as the input unit
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Choose gallon (US)/minute as the output unit
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Submit the value to perform the conversion
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View the equivalent flow rate expressed in gallons per minute
Key Features
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Converts volumetric flow rates from cubic foot/minute to gallon (US)/minute
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Based on a precise conversion rate linking cubic feet and U.S. gallons per minute
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Useful for HVAC, plumbing, irrigation, and automotive applications
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Includes example calculations for quick reference
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Browser-based, user-friendly interface for instant conversions
Examples
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2 cubic foot/minute equals 14.96103896 gallon (US)/minute
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0.5 cubic foot/minute equals 3.7402597405 gallon (US)/minute
Common Use Cases
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Determining fan and blower capacities as well as room ventilation flow in HVAC systems
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Calculating flow rates for compressed air in pneumatic tools and compressors
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Sizing ductwork or ventilation systems in industrial environments
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Specifying pump capacities and irrigation system flow in plumbing
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Evaluating water flow for cooling towers in building services
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Measuring fuel flow rates in automotive and small-engine applications
Tips & Best Practices
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Always ensure input values represent volume flow rates under standard temperature and pressure
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Use this conversion for systems operating with U.S. liquid gallons, not UK gallons
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Remember that fluid properties like viscosity and compressibility are not reflected in this conversion
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Double-check units before and after conversion to avoid errors in system design
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Utilize example calculations to verify correct application of the tool
Limitations
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Conversion assumes standard temperature and pressure; gas volume flow can vary with conditions
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Does not account for fluid characteristics such as viscosity or compressibility affecting flow
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Applicable only to U.S. liquid gallons, excluding other gallon definitions
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Accuracy depends on correct input of volumetric flow in cubic foot per minute
Frequently Asked Questions
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What does 1 cubic foot/minute represent?
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It is a volumetric flow rate unit representing the volume of one cubic foot of fluid passing a reference point per minute, typically used in air flow and HVAC measurements.
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Why is this conversion useful in HVAC and plumbing?
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Because cubic foot/minute measures air or gas flow while gallon (US)/minute measures liquid flow, converting between them helps compare and design systems involving different fluid types.
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Does this tool work for UK gallons?
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No, this converter specifically applies to U.S. liquid gallons and is not valid for UK gallon or other volumetric units.
Key Terminology
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Cubic foot/minute [ft³/min]
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A volumetric flow rate unit indicating the volume of one cubic foot of fluid passing a point every minute, usually for air or gases.
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Gallon (US)/minute
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A volumetric flow rate unit equal to the number of U.S. liquid gallons flowing past a point each minute, commonly used for liquids.
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Volumetric flow rate
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The quantity of fluid that passes through a section per unit time, commonly expressed in cubic feet per minute or gallons per minute.