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Convert Calc

Electronvolts (eV) to Kilowatt-Hours (kWh) Converter

Enter a value to instantly convert between energy units.

Precision4 dp

1 Electronvolt = 4.4505e-26 Kilowatt-Hour

Key Formulas

Kilocalorie → Kilojoule

kJ = kcal × 4.184

Kilojoule → Kilocalorie

kcal = kJ × 0.239006

Kilowatt-Hour → Joule

J = kWh × 3600000

Joule → Kilowatt-Hour

kWh = J × 2.77778e-7

Formula

kWh = eV × 4.4505×10⁻²⁶

An 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