EQUAL

150,000 Btu/gallon 

#4 oil

145,000 Btu/gallon

#2 oil

140,000 Btu/gallon

Natural Gas

1,000 Btu/cubic foot

1 Therm

100,000 Btu

Propane

91,500 Btu/gallon

Coal

12,000 Btu/pound

Wood - Dry

8,000 Btu/pound

Wood - Wet

4,500 Btu/pound

1kw electricity

3413 Btu