Flow Rate Conversion Formula:
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The GPM to CFS conversion calculates flow rate from gallons per minute to cubic feet per second. This conversion is essential in hydraulic engineering, water resource management, and fluid dynamics applications.
The calculator uses the conversion formula:
Where:
Explanation: The conversion factor is derived from the relationship between gallons and cubic feet (1 cubic foot = 7.48052 gallons) and seconds to minutes (1 minute = 60 seconds).
Details: Accurate flow rate conversion is crucial for designing water distribution systems, calculating pump capacities, analyzing river flows, and ensuring proper hydraulic calculations in engineering projects.
Tips: Enter the flow rate in gallons per minute (GPM). The value must be positive. The calculator will automatically convert to cubic feet per second (CFS) with high precision.
Q1: Why convert between GPM and CFS?
A: Different industries use different units - plumbing often uses GPM while civil engineering and hydrology prefer CFS for larger flow measurements.
Q2: What is the conversion factor based on?
A: It's based on the definition: 1 gallon = 0.133681 cubic feet and 1 minute = 60 seconds, giving 1 GPM = 0.002228 CFS.
Q3: When is CFS typically used?
A: CFS is commonly used for measuring river flows, large irrigation systems, and municipal water supply volumes.
Q4: What's the typical range for GPM values?
A: Residential faucets: 1-5 GPM, showers: 2-5 GPM, garden hoses: 5-10 GPM, fire hoses: 50-250 GPM.
Q5: How accurate is this conversion?
A: The conversion factor is mathematically exact, so the accuracy depends only on the precision of your input measurement.