BCalorific Values of Common Fuels

Gaseous fuels [at 0 °C (32 °F) 1 atm]

Net calorific value (NCV) [1] Gross calorific value (GCV) [2] Density
Btu/cu ft Btu/lb [3] MJ/kg [4] Btu/cu ft Btu/lb [3] MJ/kg [4] g/cu ft kg/m3
Natural gas   983 20 267  47.141 1 089 22 453  52.225 22.0 0.776 924
Hydrogen   290 51 682 120.21   343 61 127 142.18  2.55 0.090 053
Still gas (in refineries) 1 458 20 163  46.898 1 584 21 905  50.951 32.8 1.158 323

Liquid fuels

Net calorific balue (NCV) [1] Gross calorific value (GCV) [2] Density
Btu/gal Btu/lb [3] MJ/kg [4] Btu/gal Btu/lb [3] MJ/kg [4] g/gal kg/m3
Crude oil 129 670 18 352  42.686 138 350 19 580  45.543 3 205 705.015
Conventional gasoline 116 090 18 679  43.448 124 340 20 007  46.536 2 819 620.106
Reformulated (low‐sulfur) gasoline 113 602 18 211  42.358 121 848 19 533  45.433 2 830 622.525
CA reformulated gasoline 113 927 18 272  42.500 122 174 19 595  45.577 2 828 622.085
U.S. conventional diesel 128 450 18 397  42.791 137 380 19 676  45.766 3 167 696.656
Low‐sulfur diesel 129 488 18 320  42.612 138 490 19 594  45.575 3 206 705.235
Petroleum naphtha 116 920 19 320  44.938 125 080 20 669  48.075 2 745 603.828
NG‐based FT naphtha 111 520 19 081  44.383 119 740 20 488  47.654 2 651 583.150
Residual oil 140 353 16 968  39.466 150 110 18 147  42.21 3 752 825.341
Methanol   57 250   8 639  20.094  65 200  9 838  22.884 3 006 661.241
Ethanol   76 330 11 587  26.952  84 530 12 832  29.847 2 988

Get Energy for Sustainable Society now with the O’Reilly learning platform.

O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.