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CFM to Litres per Second (L/s)

Convert cubic feet per minute (CFM) to litres per second. Used by HVAC engineers worldwide.

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Formula: CFM × 0.471947 = L/s
How to use this converter
  1. 1Enter your CFM value.
  2. 2L/s result updates instantly.
  3. 3Use when converting US HVAC specs to metric ventilation standards.
Common questions
CFM stands for Cubic Feet per Minute — the standard airflow measurement in US HVAC systems.
1000 CFM = 471.95 L/s.
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