Convert Cubic feet per minute to US quarts per second
Convert Cubic feet per minute (ft³/min) to US quarts per second (qt/s) instantly and accurately.
Conversion Formula
qt/s = ft³/min × 0.4987012987
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 US quarts per second
The US quart per second (qt/s) equals 3.785411784×10⁻³/4 ≈ 9.464×10⁻⁴ m³/s, used in US industrial filling lines handling quart-size containers (motor oil, paint, sauce). A high-speed filling machine loading 1 qt bottles at 4 per second processes 4 qt/s per nozzle. 1 US qt/s ≈ 9.464×10⁻⁴ m³/s = 0.9464 L/s.
Quick Reference Table
| Cubic feet per minute (ft³/min) | US quarts per second (qt/s) |
|---|---|
| 1 ft³/min | 0.498701 qt/s |
| 2 ft³/min | 0.997403 qt/s |
| 5 ft³/min | 2.49351 qt/s |
| 10 ft³/min | 4.98701 qt/s |
| 25 ft³/min | 12.4675 qt/s |
| 50 ft³/min | 24.9351 qt/s |
| 100 ft³/min | 49.8701 qt/s |