1 SCFH = How much Nm3/hr. - OnlineConversion Forums
Well, it is easy and hard: 1 ft³ = 0.028 316 8466 m³ N != S "Normal" in Nm³ implies conditions of 273.15 K (0 C) and 101.325 kPa. "Standard" in SCFH implies some standard temperature and the same pressure. Problem is, different industries use 15 C, 60 F, ...