Electronvolts to Joules Converter

1 eV = 1.60217663e-19 J. Type any value below for the exact joules figure.

eV
1.6021766E-19J

1 eV = 1.6021766E-19 J

Conversion summary

1 eV = 1.60217663e-19 J

Formula
Joule = Electronvolt ÷ 6,241,509,074,460,000,000
Category
Energy and Power
Units
eV → J

1 eV in other units

Values update with the converter above. Select a row to open that conversion's detailed page.

  • Joule1.60218E-19 J
  • Kilojoule1.60218E-22 kJ
  • Megajoule1.60218E-25 MJ
  • Watt-hour4.45049E-23 Wh
  • Kilowatt-hour4.45049E-26 kWh
  • Calorie3.82929E-20 cal
  • Kilocalorie3.82929E-23 kcal
  • BTU1.51857E-22 Btu
  • Therm1.51857E-27 th
  • Quadrillion BTU1.51857E-37 quad BTU

How do you convert electronvolts to joules?

To convert electronvolts to joules, divide the number of electronvolts by 6,241,509,074,460,000,000. 1 eV = 1.6022e-19 J.

Conversion formula

Joule = Electronvolt ÷ 6,241,509,074,460,000,000

Electronvolts to joules conversion table

Electronvolts (eV)Joules (J)
1 eV1.6022e-19 J
1,000 eV1.6022e-16 J
1,000,000 eV1.6022e-13 J
1.00000000e+9 eV1.6022e-10 J

What is Electronvolt?

Electronvolt is a unit used in energy and power conversions and practical measurement work.

Short history of Electronvolt

The electronvolt is the energy an electron gains when it crosses a potential difference of one volt, about 1.602 × 10⁻¹⁹ joules. It is the everyday unit of atomic, nuclear and particle physics.

Open the Electronvolt unit guide

What is Joule?

The joule is the SI derived unit of energy. It is used for work, heat and energy quantities.

Short history of Joule

The joule became the standard SI reference for energy as mechanics and thermodynamics were unified in modern measurement.

Open the Joule unit guide

Frequently asked questions

What is 1 Electronvolt in Joule?

1 eV = 1.60217663e-19 J.

How do you convert Electronvolt to Joule?

To convert electronvolts to joules, divide the number of electronvolts by 6,241,509,074,460,000,000. 1 eV = 1.6022e-19 J.

Frequently asked questions

How many joules are in 1 electronvolt?

1 eV = 1.6022e-19 J.

How do you convert electronvolts to joules?

To convert electronvolts to joules, divide the number of electronvolts by 6,241,509,074,460,000,000. 1 eV = 1.6022e-19 J.

How many electronvolts are in 1 joule?

1 J = 6.2415e+18 eV.

Sources

  1. BIPM: The International System of Units (SI Brochure)
  2. NIST: NIST Guide to the SI — Appendix B.8: Factors for Units Listed Alphabetically
  3. NIST: Guide to the SI — Conversion Factors

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