Flow Rate Conversion Relationship

The flow rate in cubic meters per second (m³/s) can be converted from gallons per minute (GPM) using the following formula:

m³/s = GPM × 0.0000630901964

Flow Rate Input:

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

• GPM (Gallons per Minute): Standard in the US for water flow.
• GPH (Gallons per Hour): Used for slower flows.
• GPD (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:

• Hydrology: Convert GPM to m³/s for river or stream flow analysis.
• Industrial Systems: Standardize flow rates for large-scale fluid processes.
• Engineering: Compare pump outputs between imperial and metric units.

Example Calculation

If the flow rate is 1000 GPM, the conversion to m³/s would be:

m³/s = 1000 × 0.0000630901964 = 0.0631 \, \text{m³/s}

Similarly:

• GPH = 0.0631 × 15850.323141 ≈ 1000 GPH
• L/s = 0.0631 × 1000 ≈ 63.0902 L/s
• m³/h = 0.0631 × 3600 ≈ 227.1247 m³/h
• CFM = 0.0631 ÷ 0.0004719474432 ≈ 133.6806 CFM

Conversion Constants

Key conversion factors:

• 1 Gallon = 0.003785411784 m³
• 1 m³ = 1000 Liters
• 1 ft³ = 0.028316846592 m³
• 1 minute = 60 seconds
• 1 hour = 3600 seconds
• 1 day = 1440 minutes

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