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Convert ev to joules

1 electronvolt equals 1.6021766e-19 joules. Enter a value below to convert instantly.

1 eV
1.6021766e-19 J

Multiply the number of electronvolts by 1.602176634e-19 to get joules. How this is calculated

Copy link puts your number after the #, which browsers never send to a server — but the link itself carries it, so anyone you send it to sees the value. Save keeps the unit pair in this browser only; clear it any time from your saved list.

Need the other direction? Convert joule to electronvolt →

Formula

Multiply the number of electronvolts by 1.602176634e-19 to get joules.

Step by step

  1. Start with 1 eV.
  2. Multiply by the conversion factor 1.602176634e-19.
  3. 1 × 1.602176634e-19 = 1.6021766e-19 J.

Electronvolts to Joules conversion table

Electronvolts (eV) Joules (J)
1 1.6021766e-19
2 3.2043533e-19
5 8.0108832e-19
10 1.6021766e-18
20 3.2043533e-18
50 8.0108832e-18
100 1.6021766e-17
500 8.0108832e-17
1,000 1.6021766e-16

Convert Electronvolt to other energy units

1 eV expressed in every other energy unit on this site.

  • Joule J 1.6021766e-19
  • Kilojoule kJ 1.6021766e-22
  • Megajoule MJ 1.6021766e-25
  • Gigajoule GJ 1.6021766e-28
  • Millijoule mJ 1.6021766e-16
  • Microjoule µJ 1.6021766e-13
  • Nanojoule nJ 1.6021766e-10
  • Attojoule aJ 0.16021766
  • Erg erg 1.6021766e-12
  • Calorie (thermochemical) cal 3.8292941e-20
  • Kilocalorie kcal 3.8292941e-23
  • Calorie (IT) cal(IT) 3.8267331e-20
  • Kilocalorie (IT) kcal(IT) 3.8267331e-23
  • Megacalorie Mcal 3.8292941e-26
  • Watt-hour Wh 4.4504906e-23
  • Kilowatt-hour kWh 4.4504906e-26
  • Megawatt-hour MWh 4.4504906e-29
  • Gigawatt-hour GWh 4.4504906e-32
  • Watt-second W·s 1.6021766e-19
  • Kilowatt-second kW·s 1.6021766e-22
  • Horsepower-hour hp·h 5.9682063e-26
  • British Thermal Unit BTU 1.5185704e-22
  • BTU (thermochemical) BTU(th) 1.5195867e-22
  • MBTU (thousand BTU) MBTU 1.5185704e-25
  • MMBTU (million BTU) MMBTU 1.5185704e-28
  • Therm (US) thm (US) 1.518933e-27
  • Therm (EC) thm (EC) 1.5185645e-27
  • Ton-hour (refrigeration) ton·h 1.2654754e-26
  • Foot-pound ft·lbf 1.1817048e-19
  • Inch-pound in·lbf 1.4180458e-18
  • Foot-poundal ft·pdl 3.8020229e-18
  • Kilogram-force Meter kgf·m 1.6337655e-20
  • Gram-force Centimeter gf·cm 1.6337655e-15
  • Gram-force Meter gf·m 1.6337655e-17
  • Kilogram-force Centimeter kgf·cm 1.6337655e-18
  • Ounce-force Inch ozf·in 2.2688733e-17
  • Horsepower-hour (metric) PS·h 6.0509833e-26
  • Kiloelectronvolt keV 0.001
  • Megaelectronvolt MeV 0.000001
  • Gigaelectronvolt GeV 1e-9
  • Hartree Eh 0.036749322
  • Rydberg Ry 0.073498644
  • Ton of TNT tTNT 3.8292941e-29
  • Kiloton of TNT ktTNT 3.8292941e-32
  • Megaton of TNT MtTNT 3.8292941e-35
  • Tonne of Oil Equivalent toe 3.8267331e-30
  • Barrel of Oil Equivalent bboe 2.61885e-29
  • Gigaton of TNT GtTNT 3.8292941e-38
  • Fuel Oil Equivalent (kiloliter) FOE (kL) 3.9857492e-30
  • Fuel Oil Equivalent (US barrel) FOE (bbl) 2.5100338e-29

About the electronvolt

The electronvolt (eV) is a Other unit of energy.

About the joule

The joule (J) is a SI unit of energy.

Where this conversion is used

Converting electronvolts to joules comes up when nutrition labels, electricity bills, heating, and physics.

Related conversions

Frequently asked questions

How many joules are in a electronvolt?

One electronvolt equals 1.6021766e-19 joules.

How do you convert electronvolts to joules?

Multiply the number of electronvolts by 1.602176634e-19 to get joules.

What is 1 joule in electronvolts?

One joule equals 6.2415091e+18 electronvolts.

When would I convert electronvolts to joules?

This conversion is common when nutrition labels, electricity bills, heating, and physics.

Conversion factors are based on internationally agreed unit definitions. See our methodology and sources for details on how these values are verified.