Electron Volt to Horsepower-Hour Converter
Convert Electron Volt (eV) to Horsepower-Hour (hp·h) instantly. 1 eV = 5.968206e-26 hp·h.
Energy Converter
27 units available
1 eV = 5.968206e-26 hp·h
Formula:
hp·h = eV × 5.968206e-26With your value: 1 eV = 5.968206e-26 hp·h
How big is that?
Everyday references on a logarithmic scale, all expressed in electron volt so you can sanity-check the result.
Other Electron Volt to Horsepower-Hour conversions
Electron Volt to Horsepower-Hour Conversion Table
| Electron Volt (eV) | Horsepower-Hour (hp·h) |
|---|---|
| 0.5 | 2.984103e-26 |
| 1 | 5.968206e-26 |
| 2 | 1.193641e-25 |
| 5 | 2.984103e-25 |
| 10 | 5.968206e-25 |
| 15 | 8.952309e-25 |
| 20 | 1.193641e-24 |
| 25 | 1.492052e-24 |
| 50 | 2.984103e-24 |
| 100 | 5.968206e-24 |
| 250 | 1.492052e-23 |
| 500 | 2.984103e-23 |
| 1000 | 5.968206e-23 |
Horsepower-Hour to Electron Volt Conversion Table
| Horsepower-Hour (hp·h) | Electron Volt (eV) |
|---|---|
| 0.5 | 8.377727e+24 |
| 1 | 1.675545e+25 |
| 2 | 3.351091e+25 |
| 5 | 8.377727e+25 |
| 10 | 1.675545e+26 |
| 15 | 2.513318e+26 |
| 20 | 3.351091e+26 |
| 25 | 4.188863e+26 |
| 50 | 8.377727e+26 |
| 100 | 1.675545e+27 |
| 250 | 4.188863e+27 |
| 500 | 8.377727e+27 |
| 1000 | 1.675545e+28 |
Where these values come from
Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.
Electron Volt (eV)
Energy
1 eV = 1.602 176 634 × 10⁻¹⁹ J exactly, since the elementary charge is now fixed.
Source: CODATA Internationally Recommended Values of the Fundamental Physical Constants (2022 adjustment)
CODATA / NIST · Reviewed 2026-07-01
Horsepower-Hour (hp·h)
Energy
Derived from the joule (1 J = 1 kg·m²/s²). Thermochemical and IT calories, BTU and kWh are exact defined multiples.
Source: NIST Special Publication 811, Guide for the Use of the International System of Units
National Institute of Standards and Technology (US) · Reviewed 2026-07-01
How to Convert Electron Volt to Horsepower-Hour
To convert from Electron Volt (eV) to Horsepower-Hour (hp·h), multiply the value by 5.968206e-26.
Formula: hp·h = eV × 5.968206e-26
Reverse: eV = hp·h × 1.675545e+25
Step-by-Step Example
- Start with your value in Electron Volt. For example: 5 eV
- Multiply by the conversion factor: 5 x 5.968206e-26
- The result is: 2.984103e-25 hp·h
About Electron Volt
The electron volt (eV) is a unit of energy and work. One electron volt equals 1.602177 × 10^-19 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: energy calculations, engineering and science, education.
About Horsepower-Hour
The horsepower-hour (hp·h) is a unit of energy and work. One horsepower-hour equals 2.684520 × 10^+6 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
Common uses: energy calculations, engineering and science, education.
Frequently Asked Questions
How many Horsepower-Hour are in 1 Electron Volt?
There are exactly 5.968206e-26 Horsepower-Hour in 1 Electron Volt. This means the conversion factor from Electron Volt to Horsepower-Hour is 5.968206e-26.
What is the formula to convert Electron Volt to Horsepower-Hour?
The formula to convert Electron Volt to Horsepower-Hour is: hp·h = eV × 5.968206e-26. For example, to convert 10 Electron Volt to Horsepower-Hour, you would multiply 10 by 5.968206e-26.
What is a Electron Volt?
The electron volt (eV) is a unit of energy and work. One electron volt equals 1.602177 × 10^-19 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What is a Horsepower-Hour?
The horsepower-hour (hp·h) is a unit of energy and work. One horsepower-hour equals 2.684520 × 10^+6 joules. UnitConvertLab converts it against every other energy unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.
What are the common uses of Electron Volt?
The Electron Volt is commonly used in energy calculations, engineering and science, education.
Related Energy Conversions
Cite this page
UnitConvertLab. (2026). Electron Volt to Horsepower-Hour converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/electron_volt-to-horsepower_hour