A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour.
Kilowatt hours to Terajoules
Convert Kilowatt-hour (kWh) to Terajoule (TJ) instantly with an exact formula, conversion table, and FAQ.
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Convert kilowatt hours (kWh) to terajoules (TJ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
TJ = kWh × 0.0000036
Results update instantly for Kilowatt hours to Terajoules conversions.
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Formula
TJ = kWh × 0.0000036
kWh = TJ × 277777.7778
Conversion table
| 1 kWh | 0.000004 TJ |
| 5 kWh | 0.000018 TJ |
| 10 kWh | 0.000036 TJ |
| 20 kWh | 0.000072 TJ |
| 50 kWh | 0.000180 TJ |
| 100 kWh | 0.000360 TJ |
| 500 kWh | 0.001800 TJ |
| 1000 kWh | 0.003600 TJ |
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How the formula works
Both kilowatt-hour and terajoule measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in kilowatt hours by 0.0000036 to get terajoules. To reverse the conversion, multiply a terajoule value by 277777.7778 to get back to kilowatt hours.
Frequently asked questions
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.
What is Terajoule (TJ)?
A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
How do I convert kilowatt hours to terajoules?
Multiply the kilowatt-hour value by 0.0000036 to get the equivalent in terajoules. For example, 5 kWh × 0.0000036 = 0.000018 TJ.
Is this conversion exact?
Yes. Both units are defined against the SI base unit for this dimension, so the factor 0.0000036 is an exact, non-rounded value.
Can I convert terajoules back to kilowatt hours?
Yes. Divide the terajoule value by 0.0000036, or multiply it by 277777.7778, to get kilowatt hours.
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About converting kilowatt hours to terajoules
A kilowatt-hour (kWh) is the standard billing unit for electricity, equal to 1,000 watts sustained for one hour. A terajoule (TJ) is a metric-prefixed unit of energy equal to 1012 joules, using the SI tera prefix.
Use this calculator to move between kilowatt hours and terajoules accurately for homework, engineering, billing, or everyday energy calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.