1. What is GPM to CFM Conversion?

The GPM to CFM conversion calculates the flow rate in cubic feet per minute from gallons per minute. This conversion is essential in fluid dynamics, HVAC systems, and industrial applications where different units of flow measurement are used.

2. How Does the Calculator Work?

The calculator uses the conversion formula:

Where:

• \( CFM \) — Cubic feet per minute
• \( GPM \) — Gallons per minute
• \( 0.13368055555554628 \) — Conversion factor

Explanation: The conversion factor is derived from the relationship between gallons and cubic feet (1 gallon = 0.13368055555556 cubic feet).

3. Importance of Flow Rate Conversion

Details: Accurate flow rate conversion is crucial for system design, pump selection, ventilation calculations, and ensuring compatibility between different measurement standards in engineering applications.

4. Using the Calculator

Tips: Enter the flow rate in gallons per minute. The value must be positive. The calculator will automatically convert to cubic feet per minute with high precision.

5. Frequently Asked Questions (FAQ)

Q1: Why convert GPM to CFM?
A: Different industries use different units - GPM is common in liquid systems while CFM is used in air/gas systems and ventilation.

Q2: What is the exact conversion factor?
A: 1 GPM = 0.13368055555556 CFM (based on US liquid gallon to cubic foot conversion).

Q3: Can this conversion be used for all fluids?
A: Yes, the conversion is unit-based and applies to any fluid, though density effects are not considered in simple volume conversion.

Q4: How accurate is this conversion?
A: The conversion is mathematically exact for volume flow rate, assuming standard US liquid gallon definition.

Q5: When is this conversion most commonly used?
A: HVAC system design, pump specifications, ventilation calculations, and when integrating systems that use different flow rate units.