Kilowatt Hours to Kilojoules (kWh → kJ)

3,600.0

1.0000 kWh = 3,600.0 kJ

Formula

1 kWh = 3600 kJ
KilojoulesKilowatt Hours (Swap Units)

Conversion Table

kWhkJ
00
1.00003,600.0
2.00007,200.0
3.000010,800
4.000014,400
5.000018,000
6.000021,600
7.000025,200
8.000028,800
9.000032,400
10.00036,000
11.00039,600
12.00043,200
13.00046,800
14.00050,400
15.00054,000
16.00057,600
17.00061,200
18.00064,800
19.00068,400
kWhkJ
20.00072,000
21.00075,600
22.00079,200
23.00082,800
24.00086,400
25.00090,000
26.00093,600
27.00097,200
28.000100,800
29.000104,400
30.000108,000
31.000111,600
32.000115,200
33.000118,800
34.000122,400
35.000126,000
36.000129,600
37.000133,200
38.000136,800
39.000140,400
kWhkJ
40.000144,000
41.000147,600
42.000151,200
43.000154,800
44.000158,400
45.000162,000
46.000165,600
47.000169,200
48.000172,800
49.000176,400
50.000180,000
51.000183,600
52.000187,200
53.000190,800
54.000194,400
55.000198,000
56.000201,600
57.000205,200
58.000208,800
59.000212,400
kWhkJ
60.000216,000
61.000219,600
62.000223,200
63.000226,800
64.000230,400
65.000234,000
66.000237,600
67.000241,200
68.000244,800
69.000248,400
70.000252,000
71.000255,600
72.000259,200
73.000262,800
74.000266,400
75.000270,000
76.000273,600
77.000277,200
78.000280,800
79.000284,400

Kilowatt Hours to Kilojoules Conversion

Converting Kilowatt Hours (kWh) to Kilojoules (kJ) is a common energy and power conversion. 1 kWh equals 3,600 kJ. For example, 100 kWh is equal to 360,000 kJ.

Quick Mental Math: Kilowatt Hours to Kilojoules

Multiply kilowatt-hours by 3.600 to convert to kilojoules.

Why is converting Kilowatt Hours to Kilojoules tricky?

kilowatt-hours to kilojoules mixes food calories (kilocalories) with scientific calories.

Quick Reference Values

1 kWh = 3,600 kJ. 5 kWh = 18,000 kJ. 10 kWh = 36,000 kJ. 25 kWh = 90,000 kJ. 50 kWh = 180,000 kJ. 100 kWh = 360,000 kJ.

What is Kilowatt Hours?

Kilowatt Hours (kWh) is a unit of energy and power. A kilowatt-hour (kWh) measures electrical energy equivalent to one kilowatt of power supplied for one hour. It equals 3.6 million joules and is the standard billing unit for electricity consumption worldwide [bipm-si-brochure]. The kilowatt-hour emerged with widespread electric power usage in the late 19th and early 20th centuries. It became standardized as electric utilities adopted it for consumer energy measurement and billing [bipm-si-brochure]. The kWh is the universal unit for residential and commercial electricity billing globally, including in North America, Europe, and Asia. It is used extensively in energy management, engineering, and environmental reporting [nist-si-guide].

What is Kilojoules?

Kilojoules (kJ) is a unit of energy and power. A kilojoule is a unit of energy equal to 1,000 joules. It quantifies work, heat, or energy transfer in the metric system, with one joule defined as one newton meter. Kilojoules are widely applied in physics, chemistry, and nutrition to measure energy content or expenditure [iso-80000]. The joule unit was named after James Prescott Joule in the late 19th century, reflecting mechanical equivalent of heat measurements. The kilojoule, as a multiple, became common with SI adoption to express larger energy quantities clearly and is standardized by ISO and BIPM [bipm-si-brochure]. Kilojoules are standard in scientific disciplines globally for energy quantification. Nutrition labels in many countries use kilojoules to indicate food energy content, while engineering and physics consistently apply kJ for energy calculations [nist-si-guide].

Common Misspellings

People often search for this conversion using these alternate spellings: kilowatt hour, kw/h, kwh, kilowatthour, kilojoule, kilo joules, kilojouls, kilojoules energy, kj. All of these refer to the Kilowatt Hours to Kilojoules conversion.

Common Conversions