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 |