Astronomical unit to Kilojoule
Convert Astronomical unit to Kilojoule instantly. Free online scientific unit converter with exact formula, conversion table and FAQ.
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Formula
kilojoule = astronomical unit × 149597870.7
astronomical unit = kilojoule × 6.684587122e-09
Conversion table
| 1 AU | 1.49598e+08 kJ |
| 5 AU | 7.47989e+08 kJ |
| 10 AU | 1.49598e+09 kJ |
| 20 AU | 2.99196e+09 kJ |
| 50 AU | 7.47989e+09 kJ |
| 100 AU | 1.49598e+10 kJ |
| 500 AU | 7.47989e+10 kJ |
| 1000 AU | 1.49598e+11 kJ |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the astronomical unit (AU). An astronomical unit is the mean Earth-Sun distance.
What is the destination unit in this conversion?
The destination unit is the kilojoule (kJ). Kilojoule is 1000 joule units.
How do I convert astronomical unit to kilojoule?
Multiply the astronomical unit value by 149597870.7. For example, 10 AU × 149597870.7 = 1.49598e+09 kJ.
Is the astronomical unit to kilojoule conversion exact?
Yes. The relationship between these units is a fixed mathematical or SI-defined ratio, so the conversion factor is exact rather than a measured approximation.
Where is this conversion commonly used?
It's used whenever a value expressed in astronomical unit needs to be compared with, or reported in, kilojoule, such as in engineering, scientific, or laboratory calculations.
Can I convert kilojoule back to astronomical unit?
Yes. Multiply the kilojoule value by 6.684587122e-09 to get astronomical unit.
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About this conversion
This page converts astronomical unit (AU) to kilojoule (kJ) within the scientific units converter.
An astronomical unit is the mean Earth-Sun distance.
Kilojoule is 1000 joule units.
The formula is kilojoule = astronomical unit × 149597870.7, based on each unit's fixed relationship to the scientific converter's reference units.
The conversion is exact, since it relies on a fixed numerical ratio between the two units rather than a measured or approximate value.
Use the calculator above for instant results, or the table below for common astronomical unit values already converted to kilojoule.