Energy & Work converter
Hartree (Atomic Unit) to BTU Converter
Converts hartree (atomic unit) to btu for energy.
From
To
Result
1 E_h = 4.132240e-21 BTU
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?BTU to Hartree (Atomic Unit) Converter
Conversion formula
BTU = E_h × 4.13224011067e-211 hartree (atomic unit) equals 4.13224011e-21 btu.
Hartree (Atomic Unit) to BTU table
| Hartree (Atomic Unit) (E_h) | BTU (BTU) |
|---|---|
| 10,000,000,000,000,000 | 0 |
| 100,000,000,000,000,000 | 0.0004 |
| 1,000,000,000,000,000,000 | 0.0041 |
| 2,000,000,000,000,000,000 | 0.0083 |
| 3,000,000,000,000,000,000 | 0.0124 |
| 5,000,000,000,000,000,000 | 0.0207 |
| 10,000,000,000,000,000,000 | 0.0413 |
| 20,000,000,000,000,000,000 | 0.0826 |
| 50,000,000,000,000,000,000 | 0.2066 |
| 100,000,000,000,000,000,000 | 0.4132 |
| 1,000,000,000,000,000,000,000 | 4.1322 |
About this conversion
This converter uses the displayed definition for hartree (atomic unit) and its recognized relationship to btu. 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 btus?+
Enter the hartree (atomic unit)s value in the converter. The result uses the defined factor 4.13224011067e-21 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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