electronvolt eV

Energy of 1 e⁻ accelerated through 1 V. Particle physics.

Quick convert — electronvolt to popular units

Live converter, three directions. Type any value to update all three.

electronvolt
joule
1 eV = 1.60e-19J
electronvolt
kilojoule
1 eV = 1.60e-22kJ
electronvolt
calorie
1 eV = 3.83e-20cal

Conversion table — electronvolt to every Energy unit

All values for 1 eV (forward) and 1 reverse unit → {symbol}.

To / From 1 eV = 1 to-unit =
joule (J) 1.602177e-19 J 6.241509e+18 eV
kilojoule (kJ) 1.602177e-22 kJ 6.241509e+21 eV
calorie (cal) 3.829294e-20 cal 2.611447e+19 eV
kilocalorie (kcal) 3.829294e-23 kcal 2.611447e+22 eV
watt-hour (Wh) 4.450491e-23 Wh 2.246943e+22 eV
kilowatt-hour (kWh) 4.450491e-26 kWh 2.246943e+25 eV
British thermal unit (BTU) 1.518570e-22 BTU 6.585141e+21 eV
foot-pound (ft·lb) 1.181705e-19 ft·lb 8.462350e+18 eV
therm (thm) 1.518570e-27 thm 6.585141e+26 eV

Frequently Asked Questions

What does eV stand for?

electronvolt (eV) is a unit of Energy.

How many eV are in 1 J?

1 J = 1.6022e-19 eV, so 1 eV = 6.2415e+18 J.

Is this the SI base unit?

No. electronvolt is one of several units in the Energy category. The SI base is J.

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