Air Volume Conversion Calculator

Air Volume Conversion Formula:

\[ Volume (m³) = CFM × 60 / 35.314 \]

Volume (m³):

Volume (ft³/hr):

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1. What Is Air Volume Conversion?

Air volume conversion involves converting airflow measurements between different units, specifically between cubic feet per minute (CFM) and cubic meters per hour (m³/h). This is essential for HVAC systems, ventilation design, and industrial applications where accurate airflow measurements are critical.

2. How Does The Calculator Work?

The calculator uses the air volume conversion formula:

\[ Volume (m³) = CFM × 60 / 35.314 \]

Where:

\( CFM \) — Cubic Feet per Minute (ft³/min)
\( 60 \) — Minutes to hours conversion factor
\( 35.314 \) — Cubic feet to cubic meters conversion factor

Explanation: The formula converts CFM to m³/h by first converting minutes to hours (×60) and then converting cubic feet to cubic meters (÷35.314).

3. Importance Of Air Volume Conversion

Details: Accurate air volume conversion is crucial for proper HVAC system design, ventilation requirements calculation, industrial process control, and ensuring compliance with building codes and standards across different measurement systems.

4. Using The Calculator

Tips: Enter CFM value in cubic feet per minute. The calculator will automatically compute the equivalent volume in cubic meters per hour and cubic feet per hour. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What Is CFM And Why Is It Important?
A: CFM (Cubic Feet per Minute) measures airflow volume and is crucial for HVAC system sizing, ventilation design, and ensuring proper air circulation in buildings and industrial processes.

Q2: When Should I Convert Between CFM And m³/h?
A: Conversion is needed when working with international standards, equipment specifications from different regions, or when local codes require specific measurement units.

Q3: What Are Typical CFM Values For Different Applications?
A: Residential HVAC: 100-1500 CFM, commercial buildings: 1000-10,000 CFM, industrial ventilation: varies widely based on process requirements.

Q4: How Accurate Is This Conversion?
A: The conversion is mathematically precise. Accuracy depends on the precision of your initial CFM measurement and the conversion factors used.

Q5: Can I Convert Other Airflow Units With This Calculator?
A: This calculator specifically converts CFM to m³/h and ft³/hr. For other units like L/s or m³/min, additional conversion factors would be required.