Energy converter

Below are energy converter of various measurement systems, including:


SI and electricity

SI and electricity — basic energy units of the International System (SI) and electricity.

  1. joule (J)

  2. kilojoule (kJ)

  3. megajoule (MJ)

  4. gigajoule (GJ)

  5. watt-second (W·s)

  6. watt-hour (W·h)

  7. kilowatt-hour (kW·h)

  8. megawatt-hour (MW·h)

Heat units

Heat units — heat energy units used in thermodynamics and everyday life.

  1. calorie (cal)

  2. kilocalorie (kcal)

  3. megacalorie (Mcal)

  4. British thermal unit (BTU)

  5. therm

  6. quad (10¹⁸ BTU)

Nuclear physics

Nuclear physics — energy units used in nuclear and particle physics.

  1. electronvolt (eV)

  2. kiloelectronvolt (keV)

  3. megaelectronvolt (MeV)

  4. gigaelectronvolt (GeV)

Atomic units

Atomic units — atomic energy units used in quantum physics.

  1. rydberg (Ry)

  2. hartree (Eh)

  3. FOE (10⁴⁴ J)

Fuel and explosive energy

Fuel and explosive energy — energy units used to estimate fuel and explosions.

  1. ton of TNT

  2. kiloton of TNT

  3. megaton of TNT

  4. barrel of oil equivalent (boe)