Gross Combustion Values for some common Materials

Gross combustion values for materials like carbon, methane, ethylene and more - values in Btu/lb. This tool provides reference data for common combustible materials and includes conversion factors between different energy units.

MaterialFormulaGross Combustion Value (Btu/lb)
CarbonC14093
HydrogenH261095
Carbon MonoxideCO4347
MethaneCH423875
EthaneC2H622323
PropaneC3H821669
n-ButaneC4H1021321
IsobutaneC4H1021271
n-PentaneC5H1221095
IsopentaneC5H1221047
NeopentaneC5H1220978
n-HexaneC6H1420966
EthyleneC2H421636
PropyleneC3H621048
n-ButeneC4H820854
IsobuteneC4H820737
n-PenteneC5H1020720
BenzeneC6H618184
TolueneC7H818501
XyleneC8H1018651
AcetyleneC2H221502
NaphthaleneC10H817303
Methyl alcoholCH3OH10258
Ethyl alcoholC2H5OH13161
AmmoniaNH39667
Calculator

Inputs

Results

Total Energy-- Btu
Total Energy (converted)-- kJ
Total Energy (converted)-- kcal

Conversion Factors

  • 1 kJ/kg = 0.4299 Btu/lbm = 0.23884 kcal/kg
  • 1 Btu/lbm = 2.326 kJ/kg = 1.8 kcal/kg
Gross Combustion Values for some common Materials | MEPKit Engineering Tools | MEPKit