An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
Ergs to Kilowatt hours
Convert Erg (erg) to Kilowatt-hour (kWh) instantly with an exact formula, conversion table, and FAQ.
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Convert ergs (erg) to kilowatt hours (kWh) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
kWh = erg × 2.777777778e-14
Results update instantly for Ergs to Kilowatt hours conversions.
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Formula
kWh = erg × 2.777777778e-14
erg = kWh × 36000000000000
Conversion table
| 1 erg | 2.777778e-14 kWh |
| 5 erg | 1.388889e-13 kWh |
| 10 erg | 2.777778e-13 kWh |
| 20 erg | 5.555556e-13 kWh |
| 50 erg | 1.388889e-12 kWh |
| 100 erg | 2.777778e-12 kWh |
| 500 erg | 1.388889e-11 kWh |
| 1000 erg | 2.777778e-11 kWh |
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How the formula works
Both erg and kilowatt-hour measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in ergs by 2.777777778e-14 to get kilowatt hours. To reverse the conversion, multiply a kilowatt-hour value by 36000000000000 to get back to ergs.
Frequently asked questions
What is Erg (erg)?
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule.
What is Kilowatt-hour (kWh)?
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
How do I convert ergs to kilowatt hours?
Multiply the erg value by 2.777777778e-14 to get the equivalent in kilowatt hours. For example, 5 erg × 2.777777778e-14 = 1.388889e-13 kWh.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 2.777777778e-14 is an exact, non-rounded value.
Can I convert kilowatt hours back to ergs?
Yes. Divide the kilowatt-hour value by 2.777777778e-14, or multiply it by 36000000000000, to get ergs.
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About converting ergs to kilowatt hours
An erg is the CGS (centimeter-gram-second) unit of energy, equal to one ten-millionth of a joule. A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
Use this calculator to move between ergs and kilowatt hours accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.