An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics.
Electronvolts to Btu
Convert Electronvolt (eV) to British thermal unit (BTU) instantly with an exact formula, conversion table, and FAQ.
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Convert electronvolts (eV) to btu (BTU) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
The British thermal unit (BTU) is the energy needed to raise one pound of water by one degree Fahrenheit, widely used for heating and air-conditioning ratings.
BTU = eV × 1.518570443e-22
Results update instantly for Electronvolts to Btu conversions.
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Formula
BTU = eV × 1.518570443e-22
eV = BTU × 6.585140678e+21
Conversion table
| 1 eV | 1.518570e-22 BTU |
| 5 eV | 7.592852e-22 BTU |
| 10 eV | 1.518570e-21 BTU |
| 20 eV | 3.037141e-21 BTU |
| 50 eV | 7.592852e-21 BTU |
| 100 eV | 1.518570e-20 BTU |
| 500 eV | 7.592852e-20 BTU |
| 1000 eV | 1.518570e-19 BTU |
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How the formula works
Both electronvolt and british thermal unit measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in electronvolts by 1.518570443e-22 to get btu. To reverse the conversion, multiply a british thermal unit value by 6.585140678e+21 to get back to electronvolts.
Frequently asked questions
What is Electronvolt (eV)?
An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics.
What is British thermal unit (BTU)?
The British thermal unit (BTU) is the energy needed to raise one pound of water by one degree Fahrenheit, widely used for heating and air-conditioning ratings.
How do I convert electronvolts to btu?
Multiply the electronvolt value by 1.518570443e-22 to get the equivalent in btu. For example, 5 eV × 1.518570443e-22 = 7.592852e-22 BTU.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 1.518570443e-22 is an exact, non-rounded value.
Can I convert btu back to electronvolts?
Yes. Divide the british thermal unit value by 1.518570443e-22, or multiply it by 6.585140678e+21, to get electronvolts.
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About converting electronvolts to btu
An electronvolt (eV) is the energy gained by a single electron accelerating through a potential difference of one volt, widely used in atomic and particle physics. The British thermal unit (BTU) is the energy needed to raise one pound of water by one degree Fahrenheit, widely used for heating and air-conditioning ratings.
Use this calculator to move between electronvolts and btu accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.