Convert Cubic metres per hour to Acre-feet per minute
Convert Cubic metres per hour (m³/h) to Acre-feet per minute (ac-ft/min) instantly and accurately.
Conversion Formula
ac-ft/min = m³/h × 1.351188656e-5
About Cubic metres per hour
The cubic metre per hour (m³/h) equals 1/3600 m³/s ≈ 2.778×10⁻⁴ m³/s, the dominant volumetric flow unit in European process engineering, HVAC, and water treatment. Pump datasheet curves, heat-exchanger sizing software, and wastewater-treatment design all use m³/h as the standard. A domestic water pump runs at 3-8 m³/h; a municipal WWTP inlet pump handles 500-5 000 m³/h. 1 m³/h ≈ 2.778×10⁻⁴ m³/s = 1 000 L/h.
About Acre-feet per minute
The acre-foot per minute (ac-ft/min) equals 1233.48183754752/60 ≈ 20.558 m³/s, encountered in large irrigation canal capacity descriptions and reservoir emergency spillway sizing in the US West. A major canal gate releasing 1 ac-ft/min drains a 1-acre field 1 foot deep every minute - a substantial agricultural flow. 1 ac-ft/min ≈ 20.558 m³/s ≈ 726.0 ft³/s.
Quick Reference Table
| Cubic metres per hour (m³/h) | Acre-feet per minute (ac-ft/min) |
|---|---|
| 1 m³/h | 1.351 × 10-5 ac-ft/min |
| 2 m³/h | 2.702 × 10-5 ac-ft/min |
| 5 m³/h | 6.756 × 10-5 ac-ft/min |
| 10 m³/h | 0.000135119 ac-ft/min |
| 25 m³/h | 0.000337797 ac-ft/min |
| 50 m³/h | 0.000675594 ac-ft/min |
| 100 m³/h | 0.00135119 ac-ft/min |