Flow Rate Conversion Relationship

The flow rate in U.S. gallons per minute (USGPM) can be converted from UK gallons per minute (UKGPM, Imperial) using the following formula:

USGPM = UKGPM × 1.2009499255

Flow Rate Input:

Flow rate measures the volume of fluid passing through a point per unit time. Common units include:

• UKGPM (Imperial Gallons per Minute): Standard in the UK for water flow.
• USGPM (U.S. Gallons per Minute): Standard in the U.S. for water flow.
• GPH (U.S. Gallons per Hour): Used for slower flows.
• GPD (U.S. Gallons per Day): Common in daily water usage.
• L/min (Liters per Minute): Metric unit for medium flows.
• L/s (Liters per Second): Metric unit for high flows.
• L/h (Liters per Hour): Metric unit for low flows.
• m³/h (Cubic Meters per Hour): Used in industrial settings.
• m³/s (Cubic Meters per Second): Standard metric unit for large flows.
• CFM (Cubic Feet per Minute): Common in HVAC systems.

Practical Applications

This converter is useful in various scenarios:

• International Trade: Convert UK-based flow rates to U.S. standards.
• Engineering Projects: Standardize pump specifications across regions.
• Fluid Dynamics: Compare flow rates in Imperial and U.S. systems.

Example Calculation

If the flow rate is 50 UKGPM, the conversion to USGPM would be:

USGPM = 50 × 1.2009499255 = 60.0475 \, \text{USGPM}

Similarly:

• GPH = 60.0475 × 60 ≈ 3602.85 GPH
• L/s = 60.0475 / 15.850323141 ≈ 3.789 L/s
• m³/h = 60.0475 / 4.40286754 ≈ 13.64 m³/h
• CFM = 60.0475 / 7.48051948 ≈ 8.028 CFM

Conversion Constants

Key conversion factors:

• 1 UK Gallon (Imperial) = 4.54609 Liters
• 1 U.S. Gallon = 3.785411784 Liters
• 1 UK Gallon = 1.2009499255 U.S. Gallons
• 1 m³ = 264.172052 U.S. Gallons
• 1 ft³ = 7.48051948 U.S. Gallons
• 1 minute = 60 seconds
• 1 hour = 3600 seconds

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