1 kilojoule (kj) equals approximately 0.0002778 kilowatt-hours (kwh).
Since 1 kj is a measure of energy in the metric system and 1 kwh is a larger energy unit used for electricity billing, converting kj to kwh involves dividing by 3,600,000 because 1 kwh equals 3.6 million joules, and 1 kj equals 1,000 joules. Therefore, the conversion is: 1 kj / 3,600,000 = 0.0002778 kwh.
Conversion Result
Converting 1 kj to kwh results in approximately 0.0002778 kwh.
Conversion Tool
Result in kwh:
Conversion Formula
The formula to convert kilojoules to kilowatt-hours divides the energy in kj by 3,600,000. This is because 1 kwh equals 3.6 million joules, and since 1 kj equals 1,000 joules, dividing kj by 3,600,000 directly gives the equivalent kwh. For example, 5000 kj divided by 3,600,000 equals approximately 0.001389 kwh.
Conversion Example
- Convert 5 kj:
- Step 1: Recognize that 1 kj = 1,000 joules.
- Step 2: Divide 5 by 3,600,000.
- Step 3: 5 / 3,600,000 = 0.000001389 kwh.
- Convert 10 kj:
- Step 1: 10 times 1,000 joules = 10,000 joules.
- Step 2: Divide 10,000 by 3,600,000.
- Step 3: 10,000 / 3,600,000 = 0.002778 kwh.
- Convert 100 kj:
- Step 1: 100 times 1,000 joules = 100,000 joules.
- Step 2: Divide 100,000 by 3,600,000.
- Step 3: 100,000 / 3,600,000 = 0.027778 kwh.
Conversion Chart
kj | kwh |
---|---|
-24.0 | -0.0000067 |
-20.0 | -0.0000056 |
-16.0 | -0.0000044 |
-12.0 | -0.0000033 |
-8.0 | -0.0000022 |
-4.0 | -0.0000011 |
0.0 | 0.0 |
4.0 | 0.0000011 |
8.0 | 0.0000022 |
12.0 | 0.0000033 |
16.0 | 0.0000044 |
20.0 | 0.0000056 |
24.0 | 0.0000067 |
26.0 | 0.0000072 |
Use this chart to quickly find the kwh equivalent for any kj value within the range. Just locate your kj value in the first column and read across to see the corresponding kwh in the second column.
Related Conversion Questions
- How many kwh are in 1 kj of energy?
- What is the kwh equivalent of 1 kilojoule?
- How do I convert 1 kj to kwh manually?
- What is the formula for converting kj to kwh?
- Is 1 kj the same as a tiny amount of kwh?
- How many kwh does 1 kj represent in electrical energy?
- Can I use this conversion for larger energy amounts?
Conversion Definitions
kj: Kilojoule (kj) is a unit of energy measurement in the metric system, representing 1,000 joules. It is used to quantify energy in physical and chemical processes, including food energy, and is a standard in scientific calculations.
kwh: Kilowatt-hour (kwh) is a unit of energy equal to one kilowatt of power consumed over one hour. It is commonly used in electricity billing and energy consumption measurements, representing 3.6 million joules.
Conversion FAQs
Why is the kj to kwh conversion divided by 3,600,000?
This division occurs because 1 kwh equals 3.6 million joules, and since 1 kj is 1,000 joules, dividing by 3,600,000 converts kj directly into kwh. It ensures the units align correctly for accurate energy conversion.
Can I convert negative kj values to kwh?
Yes, negative kj values represent energy being removed or lost, so their kwh equivalents are negative too. The conversion process remains the same, but the sign indicates the direction of energy flow.
Does this conversion work for all energy measurements?
No, only for energies measured in joules, kilojoules, and kilowatt-hours. Converting other units like calories or electronvolts requires different formulas.
How accurate is the conversion from kj to kwh?
The conversion is precise when using the standard formula dividing kj by 3,600,000. Small rounding differences may occur depending on decimal places but generally, the result is accurate enough for most practical uses.
Last Updated : 13 May, 2025


Sandeep Bhandari holds a Bachelor of Engineering in Computers from Thapar University (2006). He has 20 years of experience in the technology field. He has a keen interest in various technical fields, including database systems, computer networks, and programming. You can read more about him on his bio page.