3 kilojoules (3 kJ)
3 kilojoules equals 3,000 joules, 0.71701721 kilocalories, 0.00083333333 kilowatt-hours and 2.8434514 British thermal units.
3 kilojoules = 3,000 joules
How big is 3 kilojoules?
3 kilojoules is about 72% of the energy in a food Calorie, or about 30% of the energy in an AA battery, or about 5.6% of the energy in a smartphone battery charge.
3 kilojoules in all energy units
| Unit | Value | Scientific notation |
|---|---|---|
| Joules (J) | 3,000 | 3 × 103 |
| Kilocalories (kcal) | 0.7170172084 | 7.17017 × 10-1 |
| Kilowatt-hours (kWh) | 0.000833333333 | 8.33333 × 10-4 |
| British thermal units (BTU) | 2.843451361 | 2.84345 × 100 |
| Calories (cal) | 717.0172084 | 7.17017 × 102 |
| Calories (food) (Cal) | 0.7170172084 | 7.17017 × 10-1 |
| Electronvolts (eV) | 1.8724527 × 1022 | 1.87245 × 1022 |
| Watt-hours (Wh) | 0.8333333333 | 8.33333 × 10-1 |
| Foot-pounds (ft⋅lbf) | 2,212.686448 | 2.21269 × 103 |
| Megajoules (MJ) | 0.003 | 3 × 10-3 |
| Therms (thm) | 0.000028441303 | 2.84413 × 10-5 |
| Megawatt-hours (MWh) | 8.3333333 × 10-7 | 8.33333 × 10-7 |
| Gigajoules (GJ) | 0.000003 | 3 × 10-6 |
| Ergs (erg) | 30,000,000,000 | 3 × 1010 |
| Million BTU (MMBtu) | 0.000002843451 | 2.84345 × 10-6 |
| Barrels of oil equivalent (BOE) | 4.9036729 × 10-7 | 4.90367 × 10-7 |
| Gigawatt-hours (GWh) | 8.3333333 × 10-10 | 8.33333 × 10-10 |
| Megaelectronvolts (MeV) | 1.8724527 × 1016 | 1.87245 × 1016 |
| Terawatt-hours (TWh) | 8.3333333 × 10-13 | 8.33333 × 10-13 |
| Tons of TNT (t TNT) | 7.1701721 × 10-7 | 7.17017 × 10-7 |
| Gigaelectronvolts (GeV) | 18,724,527,220,000 | 1.87245 × 1013 |
| Kiloelectronvolts (keV) | 1.8724527 × 1019 | 1.87245 × 1019 |
| Tonnes of oil equivalent (toe) | 7.1653769 × 10-8 | 7.16538 × 10-8 |
| Kilotons of TNT (kt) | 7.1701721 × 10-10 | 7.17017 × 10-10 |
| Megatons of TNT (Mt) | 7.1701721 × 10-13 | 7.17017 × 10-13 |
| Millijoules (mJ) | 3,000,000 | 3 × 106 |
| Terajoules (TJ) | 3 × 10-9 | 3 × 10-9 |
| International Table calories (cal_IT) | 716.5376899 | 7.16538 × 102 |
| Exajoules (EJ) | 3 × 10-15 | 3 × 10-15 |
| Inch-pounds (in⋅lbf) | 26,552.23737 | 2.65522 × 104 |
| Petajoules (PJ) | 3 × 10-12 | 3 × 10-12 |
| Teraelectronvolts (TeV) | 18,724,527,220 | 1.87245 × 1010 |
| Thousand BTU (MBtu) | 0.002843451361 | 2.84345 × 10-3 |
| Cubic feet of natural gas | 0.002741997455 | 2.742 × 10-3 |
| Dekatherms (Dth) | 0.00000284413 | 2.84413 × 10-6 |
| Gallons of gasoline equivalent (GGE) | 0.000024727992 | 2.4728 × 10-5 |
| Gigacalories (Gcal) | 7.1653769 × 10-7 | 7.16538 × 10-7 |
| Horsepower-hours (hp⋅h) | 0.001117518408 | 1.11752 × 10-3 |
| Liter-atmospheres (L⋅atm) | 29.607698 | 2.96077 × 101 |
| Microjoules (µJ) | 3,000,000,000 | 3 × 109 |
| Million tonnes of oil equivalent (Mtoe) | 7.1653769 × 10-14 | 7.16538 × 10-14 |
| Quads (quad) | 2.8434514 × 10-15 | 2.84345 × 10-15 |
| EC therms (thm (EC)) | 0.000028434402 | 2.84344 × 10-5 |
| Cubic meters of natural gas | 0.000078328982 | 7.8329 × 10-5 |
| Hartrees (Eh) | 6.8811368 × 1020 | 6.88114 × 1020 |
| Kilojoules per mole (kJ/mol) | 1.8066422 × 1024 | 1.80664 × 1024 |
| Tonnes of coal equivalent (tce) | 1.0236253 × 10-7 | 1.02363 × 10-7 |
| Zettajoules (ZJ) | 3 × 10-18 | 3 × 10-18 |
| Kilocalories per mole (kcal/mol) | 4.3179786 × 1023 | 4.31798 × 1023 |
| Kilotonnes of oil equivalent (ktoe) | 7.1653769 × 10-11 | 7.16538 × 10-11 |
| Liters of gasoline | 0.000087719298 | 8.77193 × 10-5 |
| Megacalories (Mcal) | 0.000717017208 | 7.17017 × 10-4 |
| Millielectronvolts (meV) | 1.8724527 × 1025 | 1.87245 × 1025 |
| Milliwatt-hours (mWh) | 833.3333333 | 8.33333 × 102 |
| Nanojoules (nJ) | 3,000,000,000,000 | 3 × 1012 |
| Petawatt-hours (PWh) | 8.3333333 × 10-16 | 8.33333 × 10-16 |
| Wavenumbers (energy) (cm⁻¹) | 1.510235 × 1026 | 1.51023 × 1026 |
| Planck energies (EP) | 0.000001533664 | 1.53366 × 10-6 |
| Gigatons of TNT (Gt) | 7.1701721 × 10-16 | 7.17017 × 10-16 |
| Grams of TNT (g TNT) | 0.7170172084 | 7.17017 × 10-1 |
| Kilograms of TNT (kg TNT) | 0.000717017208 | 7.17017 × 10-4 |
| Kilogram-force meters (kgf⋅m) | 305.9148639 | 3.05915 × 102 |
| Million barrels of oil equivalent (MMBOE) | 4.9036729 × 10-13 | 4.90367 × 10-13 |
| Petaelectronvolts (PeV) | 18,724,527.22 | 1.87245 × 107 |
| Rydbergs (Ry) | 1.3762274 × 1021 | 1.37623 × 1021 |
| Thousand barrels of oil equivalent (kBOE) | 4.9036729 × 10-10 | 4.90367 × 10-10 |
| AA batteries | 0.3 | 3 × 10-1 |
| Hiroshima bombs | 4.7619048 × 10-11 | 4.7619 × 10-11 |
| Bananas (food energy) | 0.006828735318 | 6.82874 × 10-3 |
| Exaelectronvolts (EeV) | 18,724.52722 | 1.87245 × 104 |
| Gallons of diesel equivalent (DGE) | 0.000020697559 | 2.06976 × 10-5 |
| Kelvins (energy) (K·k_B) | 2.1728912 × 1026 | 2.17289 × 1026 |
| Smartphone batteries | 0.05555555556 | 5.55556 × 10-2 |
| Thermochemical BTUs (BTU_th) | 2.845354244 | 2.84535 × 100 |
| 15 °C calories (cal₁₅) | 716.7602437 | 7.1676 × 102 |
| 59 °F BTUs (BTU₅₉) | 2.844130284 | 2.84413 × 100 |
| Big Macs (food energy) | 0.001273565201 | 1.27357 × 10-3 |
| Celsius heat units (CHU) | 1.579695201 | 1.5797 × 100 |
| Q units (Q) | 2.8434514 × 10-18 | 2.84345 × 10-18 |
| Tsar Bombas | 1.4285714 × 10-14 | 1.42857 × 10-14 |
| Foes (foe) | 3 × 10-41 | 3 × 10-41 |
| Foot-poundals (ft⋅pdl) | 71,191.08121 | 7.11911 × 104 |
| Hertz (energy) (h·Hz) | 4.5275705 × 1036 | 4.52757 × 1036 |
| Inch-ounces (in⋅ozf) | 424,835.798 | 4.24836 × 105 |
| Lightning bolts | 0.000003 | 3 × 10-6 |
| Metric horsepower-hours (PS⋅h) | 0.001133018014 | 1.13302 × 10-3 |
| Solar luminosity seconds (L☉·s) | 7.8369906 × 10-24 | 7.83699 × 10-24 |
| Thermies (th) | 0.000716760244 | 7.1676 × 10-4 |
| 20 °C calories (cal₂₀) | 717.3601148 | 7.1736 × 102 |
| 39 °F BTUs (BTU₃₉) | 2.83107005 | 2.83107 × 100 |
| 60 °F BTUs (BTU₆₀) | 2.844464672 | 2.84446 × 100 |
| US annual energy consumptions | 3 × 10-17 | 3 × 10-17 |
| Cubic centimeter-atmospheres (cm³⋅atm) | 29,607.698 | 2.96077 × 104 |
| Cubic foot-atmospheres (ft³⋅atm) | 1.045585987 | 1.04559 × 100 |
| Cubic foot-psis (ft³⋅psi) | 15.36587091 | 1.53659 × 101 |
| Mean BTUs (BTU_mean) | 2.841258867 | 2.84126 × 100 |
| Mean calories (cal_mean) | 715.9870359 | 7.15987 × 102 |
| World annual energy consumptions | 4.8387097 × 10-18 | 4.83871 × 10-18 |
Other amounts of kilojoules
About the kilojoule
The kilojoule is 1,000 joules. It is the unit of food energy on labels in Australia, New Zealand and the EU (alongside kcal), and a common unit in chemistry. Read more about kilojoules.