Convert Cubic feet per minute to Cubic metres per day

Convert Cubic feet per minute (ft³/min) to Cubic metres per day (m³/d) instantly and accurately.

Cubic feet per minute (ft³/min)
Cubic metres per day (m³/d)

Conversion Formula

m³/d = ft³/min × 40.77625909

About Cubic feet per minute

The cubic foot per minute (cfm or ft³/min) equals 0.028316846592/60 ≈ 4.719×10⁻⁴ m³/s, the dominant unit for ventilation, HVAC airflow, and compressed-air system design in the US. ASHRAE ventilation standards, building-code fresh-air requirements, and dust-collector capacity are all stated in cfm. A residential HVAC system moves 800-1 200 cfm; an industrial dust collector handles 2 000-20 000 cfm. 1 cfm ≈ 0.4719 L/s.

About Cubic metres per day

The cubic metre per day (m³/d) equals 1/86400 ≈ 1.157×10⁻⁵ m³/s, standard in water-resource management, desalination-plant capacity, and per-capita water-consumption accounting. A municipal desalination plant may produce 100 000-1 000 000 m³/d; the WHO minimum water supply requirement is 0.05 m³/d per person. 1 m³/d ≈ 1.157×10⁻⁵ m³/s = 264.2 US gal/d.

Quick Reference Table

Cubic feet per minute (ft³/min)Cubic metres per day (m³/d)
1 ft³/min40.7763 m³/d
2 ft³/min81.5525 m³/d
5 ft³/min203.881 m³/d
10 ft³/min407.763 m³/d
25 ft³/min1019.41 m³/d
50 ft³/min2038.81 m³/d
100 ft³/min4077.63 m³/d

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