What is electronvolt?

An electronvolt is a unit of energy equal to the work done on an electron by a potential difference of one volt, approximately 1.602 × 10⁻¹⁹ joules. It is used in atomic physics, particle physics, and quantum mechanics.

What is joule?

The joule is the SI base unit of energy. It is the standard unit for work, heat, and electrical energy in physics, engineering, and scientific measurement worldwide.

Worked examples

1 electronvolt = 1.602177e-19 joule

1 joule = 1 joule

More Energy conversions

• Convert electronvolt to joule
• Convert electronvolt to kilojoule
• Convert electronvolt to kilowatt hour
• Convert electronvolt to calorie (thermochemical)
• Convert electronvolt to kilocalorie (dietary)
• Convert electronvolt to watt hour
• Convert electronvolt to megajoule
• Convert electronvolt to British thermal unit
• Convert electronvolt to therm (US)

Assumption: calorie means thermochemical calorie, and therm means US therm.