Erg to Hartree Converter

Energy Converter

27 units available

Decimals:

From

To

22,937,122,783.96325

1 erg = 22,937,122,783.96325 Eh

Formula:

Eh = erg × 2.293712e+10

With your value: 1 erg = 22,937,122,783.96325 Eh

How big is that?

Everyday references on a logarithmic scale, all expressed in erg so you can sanity-check the result.

Your value1.00 erg

Heartbeat (1.0e+7× your value)1.00e+7 erg

AA battery charge (1.0e+11× your value)1.00e+11 erg

Slice of bread (2.8e+12× your value)2.80e+12 erg

Daily food intake (8.4e+13× your value)8.40e+13 erg

Litre of petrol (3.4e+14× your value)3.42e+14 erg

Other Erg to Hartree conversions

2 erg to Eh 3 erg to Eh 4 erg to Eh 5 erg to Eh 6 erg to Eh 7 erg to Eh 8 erg to Eh

Erg to Hartree Conversion Table

Erg (erg)	Hartree (Eh)
0.5	11,468,561,391.981625
1	22,937,122,783.96325
2	45,874,245,567.9265
5	114,685,613,919.81624
10	229,371,227,839.63248
15	344,056,841,759.4487
20	458,742,455,679.26495
25	573,428,069,599.0812
50	1.146856e+12
100	2.293712e+12
250	5.734281e+12
500	1.146856e+13
1000	2.293712e+13

Hartree to Erg Conversion Table

Hartree (Eh)	Erg (erg)
0.5	2.179872e-11
1	4.359745e-11
2	8.719489e-11
5	2.179872e-10
10	4.359745e-10
15	6.539617e-10
20	8.719489e-10
25	1.089936e-9
50	2.179872e-9
100	4.359745e-9
250	1.089936e-8
500	2.179872e-8
1000	4.359745e-8

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.

Erg (erg)

Energy

Exact conversion

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

Hartree (Eh)

Energy

Exact conversion

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 Erg to Hartree

To convert from Erg (erg) to Hartree (Eh), multiply the value by 22,937,122,783.96325.

Formula: Eh = erg × 2.293712e+10

Reverse: erg = Eh × 4.359745e-11

Step-by-Step Example

Start with your value in Erg. For example: 5 erg
Multiply by the conversion factor: 5 x 22,937,122,783.96325
The result is: 114,685,613,919.81624 Eh

About Erg

The erg (erg) is a unit of energy and work. One erg equals 1.000000 × 10^-7 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 Hartree

The hartree (Eh) is a unit of energy and work. One hartree equals 4.359745 × 10^-18 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 Hartree are in 1 Erg?

There are exactly 22,937,122,783.96325 Hartree in 1 Erg. This means the conversion factor from Erg to Hartree is 22,937,122,783.96325.

What is the formula to convert Erg to Hartree?

The formula to convert Erg to Hartree is: Eh = erg × 2.293712e+10. For example, to convert 10 Erg to Hartree, you would multiply 10 by 22,937,122,783.96325.

What is a Erg?