Daily Unit Converter

Energy & Work converter

Rydberg to Hartree (Atomic Unit) Converter

Converts rydberg to hartree (atomic unit) for energy.

From
To

Result

0.5 E_h

1 Ry = 0.5 E_h

Also equals

2.179872e-18J
2.179872e-21kJ
6.055201e-25kWh
5.210020e-22kcal
6.055201e-22Wh
2.066120e-21BTU
1.607791e-18ft·lb
Need the reverse conversion?Hartree (Atomic Unit) to Rydberg Converter

Conversion formula

E_h = Ry × 0.5

1 rydberg equals 0.5 hartree (atomic unit).

Rydberg to Hartree (Atomic Unit) table

Rydberg (Ry)Hartree (Atomic Unit) (E_h)
0.010.005
0.10.049999999999999
10.499999999999989
20.999999999999977
31.499999999999966
52.499999999999943
104.999999999999885
209.99999999999977
5024.999999999999424
10049.99999999999885
1,000499.9999999999885

About this conversion

This converter uses the displayed definition for rydberg and its recognized relationship to hartree (atomic unit). 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 rydbergs to hartree (atomic unit)s?+

Enter the rydbergs value in the converter. The result uses the defined factor 0.500000000000 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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