Electronvolts to Kilowatt-hours Converter

To convert a measurement in electronvolts to kilowatt-hours, multiply the value by 4.450491e-26. The conversion factor comes from the relationship between both units and the joule.

For example, to convert 5 eV to kilowatt-hours: 5 × 4.450491e-26 = 2.225245e-25 kWh.

An electronvolt is the energy gained by one electron moving through a potential difference of one volt, equal to about 1.602 × 10⁻¹⁹ joules. The electronvolt became essential in atomic and particle physics, where joules are impractically large. Particle accelerator energies are expressed in mega-, giga-, and tera-electronvolts.

Common uses of electronvolts include: Atomic and particle physics; Semiconductor band-gap energies; Photon and X-ray energy; Chemistry ionization energies.

A kilowatt-hour equals 1,000 watt-hours, or 3.6 million joules, and is the standard unit for billing electrical energy. The kilowatt-hour became the universal unit of electricity metering because it conveniently expresses household consumption. Running a 1,000-watt appliance for one hour uses exactly one kWh.

Common uses of kilowatt-hours include: Household electricity billing; Electric vehicle battery capacity; Home solar and battery systems; Energy audits and efficiency ratings.

Here are some common values converted:

1 eV = 4.450491e-26 kWh 5 eV = 2.225245e-25 kWh 10 eV = 4.450491e-25 kWh 50 eV = 2.225245e-24 kWh 100 eV = 4.450491e-24 kWh