Energy & Work converter
Hartree (Atomic Unit) to Electronvolt Converter
Converts hartree (atomic unit) to electronvolt for energy.
From
To
Result
1 E_h = 27.211386 eV
Also equals
4.359745e-18J
4.359745e-21kJ
1.211040e-24kWh
1.042004e-21kcal
1.211040e-21Wh
4.132240e-21BTU
3.215583e-18ft·lb
Need the reverse conversion?Electronvolt to Hartree (Atomic Unit) Converter
Conversion formula
eV = E_h × 27.2113862461 hartree (atomic unit) equals 27.211386 electronvolt.
Hartree (Atomic Unit) to Electronvolt table
| Hartree (Atomic Unit) (E_h) | Electronvolt (eV) |
|---|---|
| 0.01 | 0.27211386246 |
| 0.1 | 2.721138624599 |
| 1 | 27.211386245988 |
| 2 | 54.422772491976 |
| 3 | 81.634158737964 |
| 5 | 136.05693122994 |
| 10 | 272.11386245988 |
| 20 | 544.227724919761 |
| 50 | 1,360.569312299402 |
| 100 | 2,721.138624598803 |
| 1,000 | 27,211.386245988033 |
About this conversion
This converter uses the displayed definition for hartree (atomic unit) and its recognized relationship to electronvolt. Calculations retain full precision internally, and only the visible result is rounded. You can swap the conversion direction without changing the underlying standard.
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Frequently asked questions
How do I convert hartree (atomic unit)s to electronvolts?+
Enter the hartree (atomic unit)s value in the converter. The result uses the defined factor 27.2113862460 and is rounded only for display.
Does the converter keep full precision?+
Yes. Calculations retain high precision throughout each step, while the visible result is rounded for readability.
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