Gas flow units

MMSCFD - Million standard cubic feet of gas per day - a common volume of gas measure (unit abbreviation MMscf)

SCFD - Standard cubic feet per day (gas)

SCFM - Standard cubic feet per minute (gas)

Sm^3/hr - Standard cubic metre per hour defined at 15 deg. C - 59°F - for US

Nm^3/hr - Normal cubic metre per hour defined at zero deg. C - 32°F - for countries using SI metric system of units

MSm^3/d - Mega Standard Cubic Metres per day defined at 15 deg. Celsius - 59° Fahrenheit - outside of US