Energy Converter
Result
... Attojoule = ... Kilojoule
Result
... Attojoule
=
... Kilojoule
Find the units to convert
Attojoule to Kilojoule Converter
Use this page to convert attojoule values into kilojoule, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 aJ = 1e-21 kJ
1 kJ = 1,000,000,000,000,000,000,000 aJ
Example: 120 aJ = 1.2e-19 kJ
Attojoule
Attojoule (aJ) is represented in this converter as 1e-18 joules.
History: Attojoule follows SI prefix conventions for scaling joules up or down by powers of ten.
Current use: Attojoule is useful in science, engineering, and technical energy comparisons.
Also written as aJ.
Kilojoule
A kilojoule equals 1,000 joules.
History: It is a decimal multiple adopted for practical energy values.
Current use: Kilojoules are used in nutrition and industrial energy figures.
Also written as kJ, kilojoules.
Attojoule to Kilojoule table
| Attojoule [aJ] | Kilojoule [kJ] |
|---|
| 0.01 aJ | 1e-23 kJ |
| 0.1 aJ | 1e-22 kJ |
| 1 aJ | 1e-21 kJ |
| 2 aJ | 2e-21 kJ |
| 5 aJ | 5e-21 kJ |
| 10 aJ | 1e-20 kJ |
| 20 aJ | 2e-20 kJ |
| 50 aJ | 5e-20 kJ |
| 100 aJ | 1e-19 kJ |
