Electronvolts (eV) to Kilowatt-Hours (kWh) Converter
Enter a value to instantly convert between energy units.
1 Electronvolt = 4.4505e-26 Kilowatt-Hour
Key Formulas
Kilocalorie → Kilojoule
kJ = kcal × 4.184Kilojoule → Kilocalorie
kcal = kJ × 0.239006Kilowatt-Hour → Joule
J = kWh × 3600000Joule → Kilowatt-Hour
kWh = J × 2.77778e-7Formula
kWh = eV × 4.4505×10⁻²⁶An electronvolt is the energy of a single electron accelerated through one volt — a vanishingly small quantity. One kilowatt-hour is 3.6 MJ of macroscopic electrical energy. The conversion factor is tiny: 1 eV = 4.45×10⁻²⁶ kWh. Particle physicists and quantum engineers use this when scaling particle energies to practical electrical units.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A quantum physicist converting 10²⁴ eV particle energy to 0.0445 kWh for macroscopic comparison.
1e+24 eV = 0.044505 kWh
A radiation scientist calculating 10²⁶ eV beam energy as 4.45 kWh for accelerator operation planning.
1e+26 eV = 4.4505 kWh
A particle physicist converting 10²⁸ eV annual beam energy to 445 kWh for facility power budgeting.
1e+28 eV = 445.05 kWh
An astrophysicist estimating 10³⁰ eV cosmic ray annual fluence in kWh for satellite shielding design.
1e+30 eV = 44505 kWh