Types

BTU/Unit

Kilocalories/Unit

Kerosene (No 1 fuel oil)

134,000/gallon

8921/liter

Burner fuel oil (No 2 oil)

140,000/gallon

9320/liter

Electricity

3413/kWh

860/kWh

Natural gas

1,000,000/thousand cord

7139 cubic meter

Propane

91,600/gallon

6098/liter

Anthracite coal

27,800,000/ton

6,354,286/tonne

Hardwood (20% moisture)

24,000/cord

1,687,500/cubic meter

Pine (20% moisture)

18,000/cord

1,265,625/cubic meter

Wood pellets (pellet stoves)

36,000,000

8,228,572/tonne