1. What is m³/h to GPM Conversion?

Definition: This calculator converts flow rate from cubic meters per hour (m³/h) to gallons per minute (GPM).

Purpose: It helps engineers, plumbers, and technicians work with flow rates in different unit systems.

2. How Does the Calculator Work?

The calculator uses the formula:

Where:

• \( Q_{gpm} \) — Flow rate in gallons per minute (GPM)
• \( Q_{m3h} \) — Flow rate in cubic meters per hour (m³/h)
• 4.402 — Conversion factor (1 m³/h = 4.402 GPM)

Explanation: The conversion factor accounts for both volume (cubic meters to gallons) and time (hours to minutes) conversions.

3. Importance of Flow Rate Conversion

Details: Proper unit conversion ensures accurate system design, pump selection, and process control in fluid systems.

4. Using the Calculator

Tips: Simply enter the flow rate in m³/h and the calculator will instantly provide the equivalent in GPM.

5. Frequently Asked Questions (FAQ)

Q1: Why is the conversion factor 4.402?
A: It combines 1 m³ = 264.172 gallons and 1 hour = 60 minutes (264.172/60 ≈ 4.402).

Q2: How precise is this conversion?
A: The factor is precise to 4 decimal places (4.4024), suitable for most engineering applications.

Q3: When would I need this conversion?
A: When working with international equipment specs, comparing pump curves, or designing systems using different unit standards.

Q4: Can I convert GPM back to m³/h?
A: Yes, divide GPM by 4.402 to get m³/h.

Q5: Does this work for all liquids?
A: Yes, as it's a volumetric flow conversion. For mass flow, you'd need to consider density.