to offer (usually something intangible): to proffer friendship Origin of proffer Middle English profren from Anglo-French and Old French proffrir from poroffrir from por-, pro- + offrir from Vulgar Latin an unverified form offerire, for Classical Latin offerre, to offer
TOTAL. Natural gas is measured in therms or BTUs. A therm is a measurement of the amount of heat energy in natural gas, equal to 100,000 BTUs. A BTU, or British Thermal Unit, is the quantity of heat required to raise the temperature of one pound of water by one degree Fahrenheit. The current charge for natural gas from Peoples Gas is $0.3641 per therm. If you would like to change the rate used in the calculations above, enter a new rate below. $ per therm.
Natural gas measurements and conversions. 1 cubic foot natural gas (NG) â wet = 1,109 Btu. 1 cubic foot â dry = 1,027 Btu. 1 cubic foot â dry = 1,087 kilojoules. 1 cubic foot â compressed = 960 Btu. 1 pound = 20,551 Btu. 1 gallon â liquid = 90,800 Btu â HHV *. 1 gallon â liquid = 87,600 Btu â LHV *.