1,055.05 joules per BTU.
About 115K BTU per gallon.
One KW of electricity will give you 3,412 btu of heat.
114,000 BTU/gallon
2500 btu per cubic foot of vapor.
For regular gasoline, 125,000 BTU per US gallon
12,000 btu = 0ne ton
One BTU per second is 1.434 hp
82,810 Btu/gal of Propylene
65,000 BTU per hour equates to 19.05 kW
i think it is one british thermal unit
50