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Kilojoules to electronvolts

1 kilojoule in electronvolts
1 kJ = 6.2415091 × 10^21 eV
eV = kJ × 6.241509074 × 10^21

To convert kilojoules to electronvolts, multiply by 6.241509074 × 10^21. The table below gives the values people look up most often, and the converter works for any number.

Kilojoules to electronvolts table

Common kilojoule values converted to electronvolts.
Kilojoules Electronvolts
1 kJ 6.2415091 × 10^21
2 kJ 1.2483018 × 10^22
3 kJ 1.8724527 × 10^22
4 kJ 2.4966036 × 10^22
5 kJ 3.1207545 × 10^22
10 kJ 6.2415091 × 10^22
15 kJ 9.3622636 × 10^22
20 kJ 1.2483018 × 10^23
25 kJ 1.5603773 × 10^23
30 kJ 1.8724527 × 10^23
40 kJ 2.4966036 × 10^23
50 kJ 3.1207545 × 10^23
75 kJ 4.6811318 × 10^23
100 kJ 6.2415091 × 10^23
250 kJ 1.5603773 × 10^24
500 kJ 3.1207545 × 10^24
1,000 kJ 6.2415091 × 10^24

How the conversion works

The relationship is eV = kJ × 6.241509074 × 10^21. Both units measure energy, so the conversion is a fixed factor that never changes.

Common questions

How many electronvolts are in one kilojoule?
One kilojoule equals 6.2415091 × 10^21 electronvolts. eV = kJ × 6.241509074 × 10^21.
How do you convert kilojoules to electronvolts?
Use eV = kJ × 6.241509074 × 10^21. So 10 kJ is 6.2415091 × 10^22 eV.
How many kilojoules are in one electronvolt?
One electronvolt equals 1.602 × 10^-22 kilojoules, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked