1. What Is Flow Rate Conversion?

Flow rate conversion between cubic meters per hour (m³/hr) and gallons per minute (GPM) is essential for engineers, technicians, and professionals working with fluid systems across different measurement standards.

2. How Does The Conversion Work?

The conversion uses the formula:

Where:

• \( m³/hr \) — Flow rate in cubic meters per hour
• \( GPM \) — Flow rate in gallons per minute
• \( 4.402867539302473 \) — Conversion factor

Explanation: This conversion factor accounts for the volume difference between cubic meters and gallons, and the time conversion from hours to minutes.

3. Importance Of Flow Rate Conversion

Details: Accurate flow rate conversion is crucial for international projects, equipment specification, pump sizing, and ensuring compatibility between systems using different measurement units.

4. Using The Converter

Tips: Enter the flow rate in cubic meters per hour. The value must be non-negative. The converter will instantly calculate the equivalent flow rate in gallons per minute.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 4.402867539302473?
A: This factor comes from 1 m³ = 264.172 gallons and 1 hour = 60 minutes, so 264.172 ÷ 60 = 4.402867539302473.

Q2: What are common applications for this conversion?
A: Water treatment plants, HVAC systems, industrial processes, irrigation systems, and any application requiring flow rate measurements between metric and imperial units.

Q3: How accurate is this conversion?
A: The conversion is mathematically exact. Accuracy depends on the precision of your input measurement.

Q4: Can I convert GPM back to m³/hr?
A: Yes, use the inverse formula: m³/hr = GPM ÷ 4.402867539302473 or m³/hr = GPM × 0.227124.

Q5: Are there different types of gallons?
A: This converter uses US gallons. For UK gallons, the conversion factor would be different (1 m³/hr ≈ 3.666 UK GPM).