Atomic mass unit to Kilojoule
Convert Atomic mass unit to Kilojoule instantly. Free online scientific unit converter with exact formula, conversion table and FAQ.
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Formula
kilojoule = atomic mass unit × 1.660539e-30
atomic mass unit = kilojoule × 6.022141e+29
Conversion table
| 1 u | 1.660539e-30 kJ |
| 5 u | 8.302695e-30 kJ |
| 10 u | 1.660539e-29 kJ |
| 20 u | 3.321078e-29 kJ |
| 50 u | 8.302695e-29 kJ |
| 100 u | 1.660539e-28 kJ |
| 500 u | 8.302695e-28 kJ |
| 1000 u | 1.660539e-27 kJ |
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Frequently asked questions
What is the source unit in this conversion?
The source unit is the atomic mass unit (u). The unified atomic mass unit is used in atomic physics.
What is the destination unit in this conversion?
The destination unit is the kilojoule (kJ). Kilojoule is 1000 joule units.
How do I convert atomic mass unit to kilojoule?
Multiply the atomic mass unit value by 1.660539e-30. For example, 10 u × 1.660539e-30 = 1.660539e-29 kJ.
Is the atomic mass 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 atomic mass unit needs to be compared with, or reported in, kilojoule, such as in engineering, scientific, or laboratory calculations.
Can I convert kilojoule back to atomic mass unit?
Yes. Multiply the kilojoule value by 6.022141e+29 to get atomic mass unit.
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About this conversion
This page converts atomic mass unit (u) to kilojoule (kJ) within the scientific units converter.
The unified atomic mass unit is used in atomic physics.
Kilojoule is 1000 joule units.
The formula is kilojoule = atomic mass unit × 1.660539e-30, 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 atomic mass unit values already converted to kilojoule.