Energy converter
36 units, SI unit J. Every conversion runs through the SI base value, so round-trips are exact.
sig figs
1 BTU = 1,060 J
1 BTU in every energy unit
| electron volt | 6.59e+21 eV |
| hartree | 2.42e+20 Eh |
| kiloelectron volt | 6.59e+18 keV |
| megaelectron volt | 6.59e+15 MeV |
| gigaelectron volt | 6,590,000,000,000 GeV |
| nanojoule | 1,060,000,000,000 nJ |
| erg | 10,600,000,000 erg |
| teraelectron volt | 6,590,000,000 TeV |
| microjoule | 1,060,000,000 µJ |
| millijoule | 1,060,000 mJ |
| inch-pound | 9,340 in·lb |
| joule | 1,060 J |
| foot-pound | 778 ft⋅lb |
| calorie | 252 cal |
| calorie (International Table) | 252 cal IT |
| kilojoule | 1.06 kJ |
| BTU (thermochemical) | 1 BTU th |
| British thermal unit | 1 BTU |
| watt-hour | 0.293 Wh |
| kilocalorie | 0.252 kcal |
| megajoule | 0.00106 MJ |
| horsepower-hour | 0.000393 hp·h |
| kilowatt-hour | 0.000293 kWh |
| therm | 0.00001 therm |
| gigajoule | 0.00000106 GJ |
| million BTU | 0.000001 MMBTU |
| megawatt-hour | 2.93e-07 MWh |
| ton of TNT | 2.52e-07 t TNT |
| tonne of oil equivalent | 2.52e-08 toe |
| terajoule | 1.06e-09 TJ |
| gigawatt-hour | 2.93e-10 GWh |
| kiloton of TNT | 2.52e-10 kt TNT |
| petajoule | 1.06e-12 PJ |
| terawatt-hour | 2.93e-13 TWh |
| megaton of TNT | 2.52e-13 Mt TNT |
| quad | 1.00e-15 quad |
One joule in every unit
| electron volt (eV) | 6.2415091e+18 eV |
| hartree (Eh) | 2.2937123e+17 Eh |
| kiloelectron volt (keV) | 6.2415091e+15 keV |
| megaelectron volt (MeV) | 6,241,509,100,000 MeV |
| gigaelectron volt (GeV) | 6,241,509,100 GeV |
| nanojoule (nJ) | 1,000,000,000 nJ |
| erg (erg) | 10,000,000 erg |
| teraelectron volt (TeV) | 6,241,509.1 TeV |
| microjoule (µJ) | 1,000,000 µJ |
| millijoule (mJ) | 1,000 mJ |
| inch-pound (in·lb) | 8.8507458 in·lb |
| joule (J) | 1 J |
| foot-pound (ft⋅lb) | 0.73756215 ft⋅lb |
| calorie (cal) | 0.23900574 cal |
| calorie (International Table) (cal IT) | 0.2388459 cal IT |
| kilojoule (kJ) | 0.001 kJ |
| BTU (thermochemical) (BTU th) | 0.00094845141 BTU th |
| British thermal unit (BTU) | 0.00094781712 BTU |
| watt-hour (Wh) | 0.00027777778 Wh |
| kilocalorie (kcal) | 0.00023900574 kcal |
| megajoule (MJ) | 0.000001 MJ |
| horsepower-hour (hp·h) | 3.7250614e-07 hp·h |
| kilowatt-hour (kWh) | 2.7777778e-07 kWh |
| therm (therm) | 9.4781712e-09 therm |
| gigajoule (GJ) | 1.0000000e-09 GJ |
| million BTU (MMBTU) | 9.4781712e-10 MMBTU |
| megawatt-hour (MWh) | 2.7777778e-10 MWh |
| ton of TNT (t TNT) | 2.3900574e-10 t TNT |
| tonne of oil equivalent (toe) | 2.3884590e-11 toe |
| terajoule (TJ) | 1.0000000e-12 TJ |
| gigawatt-hour (GWh) | 2.7777778e-13 GWh |
| kiloton of TNT (kt TNT) | 2.3900574e-13 kt TNT |
| petajoule (PJ) | 1.0000000e-15 PJ |
| terawatt-hour (TWh) | 2.7777778e-16 TWh |
| megaton of TNT (Mt TNT) | 2.3900574e-16 Mt TNT |
| quad (quad) | 9.4781712e-19 quad |