AP-42, Appendix A : Miscellaneous Data And Conversion …
THERMAL EQUIVALENTS FOR VARIOUS FUELS Type Of Fuel kcal Btu (gross) Solid fuels Bituminous coal (5.8 to 7.8) x 106/Mg (21.0 to 28.0) x 106/ton Anthracite coal 7.03 x 106/Mg 25.3 x 106/ton Lignite 4.45 x 106/Mg 16.0 x 106/ton Wood 1.47 x 106/m3 21.0 x 106/cord Liquid fuels