Calculate CMH to CFM

Understanding Airflow Conversion

Converting Cubic Meters per Hour (CMH) to Cubic Feet per Minute (CFM) is essential for HVAC engineers, architects, and ventilation specialists. CMH is the metric unit for volumetric flow rate, while CFM is the imperial standard used widely in the United States and UK.

This tool allows you to instantly toggle between these two units to ensure your ventilation systems, air conditioners, and industrial fans meet the required specifications for air exchange and indoor air quality.

CMH to CFM Conversion Table

CMH (m³/h) CFM (ft³/min)
1 CMH 0.5886 CFM
10 CMH 5.8858 CFM
50 CMH 29.4289 CFM
100 CMH 58.8578 CFM
500 CMH 294.2889 CFM
1000 CMH 588.5778 CFM

Formula:

Conversion Formula:

1 CMH ≈ 0.58857777 CFM

To convert CMH to CFM, use the following equation:

CFM = CMH × 0.58857777

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