Conversion Formula:
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The US GPM to CFS conversion calculates flow rate from US gallons per minute to cubic feet per second. This conversion is essential in fluid dynamics, hydrology, and engineering applications where different flow rate units are used.
The conversion uses the formula:
Where:
Explanation: The conversion factor is derived from the relationship between US gallons and cubic feet (1 cubic foot = 7.48052 US gallons) and the time conversion (1 minute = 1/60 second).
Details: Accurate flow rate conversion is crucial for hydraulic engineering, water resource management, pump sizing, pipeline design, and environmental monitoring where different measurement systems are used.
Tips: Enter the flow rate in US gallons per minute. The value must be non-negative. The calculator will automatically convert it to cubic feet per second with high precision.
Q1: What is the difference between US GPM and imperial GPM?
A: US gallon (3.785 liters) is different from imperial gallon (4.546 liters). This calculator uses US gallons, which is standard in the United States.
Q2: When would I need to convert between these units?
A: Common in water treatment plants, irrigation systems, fire protection engineering, and when working with international standards that use different measurement systems.
Q3: How accurate is the conversion factor?
A: The conversion factor is precise to 16 decimal places, ensuring high accuracy for engineering calculations.
Q4: Can I convert CFS back to US GPM?
A: Yes, use the inverse conversion: US GPM = CFS ÷ 0.0022280092592591046 or US GPM = CFS × 448.8311688311688
Q5: What are typical flow rates in these units?
A: Residential water supply: 5-10 US GPM (0.011-0.022 CFS), Fire hydrant: 500-1000 US GPM (1.11-2.23 CFS), Small river: 1000-5000 CFS (448,000-2,240,000 US GPM)