Kilowatts to Joules (kW → J)

1,000.0

1.0000 kW = 1,000.0 J

Formula

1 kW = 1000 J
JoulesKilowatts (Swap Units)

Conversion Table

kWJ
00
1.00001,000.0
2.00002,000.0
3.00003,000.0
4.00004,000.0
5.00005,000.0
6.00006,000.0
7.00007,000.0
8.00008,000.0
9.00009,000.0
10.00010,000
11.00011,000
12.00012,000
13.00013,000
14.00014,000
15.00015,000
16.00016,000
17.00017,000
18.00018,000
19.00019,000
kWJ
20.00020,000
21.00021,000
22.00022,000
23.00023,000
24.00024,000
25.00025,000
26.00026,000
27.00027,000
28.00028,000
29.00029,000
30.00030,000
31.00031,000
32.00032,000
33.00033,000
34.00034,000
35.00035,000
36.00036,000
37.00037,000
38.00038,000
39.00039,000
kWJ
40.00040,000
41.00041,000
42.00042,000
43.00043,000
44.00044,000
45.00045,000
46.00046,000
47.00047,000
48.00048,000
49.00049,000
50.00050,000
51.00051,000
52.00052,000
53.00053,000
54.00054,000
55.00055,000
56.00056,000
57.00057,000
58.00058,000
59.00059,000
kWJ
60.00060,000
61.00061,000
62.00062,000
63.00063,000
64.00064,000
65.00065,000
66.00066,000
67.00067,000
68.00068,000
69.00069,000
70.00070,000
71.00071,000
72.00072,000
73.00073,000
74.00074,000
75.00075,000
76.00076,000
77.00077,000
78.00078,000
79.00079,000

Kilowatts to Joules Conversion

Converting Kilowatts (kW) to Joules (J) is a common energy and power conversion. 1 kW equals 1,000 J. For example, 100 kW is equal to 100,000 J.

Quick Mental Math: Kilowatts to Joules

Multiply watts by seconds to get joules; one watt for one second equals one joule.

Why is converting Kilowatts to Joules tricky?

Watts are power (energy per second), not energy itself; time must be included.

Quick Reference Values

1 kW = 1,000 J. 5 kW = 5,000 J. 10 kW = 10,000 J. 25 kW = 25,000 J. 50 kW = 50,000 J. 100 kW = 100,000 J.

What is Kilowatts?

Kilowatts (kW) is a unit of energy and power. The kilowatt (kW) is a unit of power equal to 1,000 watts (W). One watt is defined as one joule per second, the SI base unit for power. Kilowatts are commonly used to express the output power of engines and the consumption rate of electrical appliances [bipm-si-brochure]. The watt unit was named after James Watt and standardized by the International System of Units in 1960. The kilo- prefix denotes multiplication by 1,000, making kilowatt a convenient unit for everyday power measurements [bipm-si-brochure]. Kilowatts are globally used in energy production, automotive power ratings, and household electricity consumption. Electrical utilities report consumer usage in kilowatt-hours (kWh), a measure of energy derived from kilowatts over time [nist-si-guide].

What is Joules?

Joules (J) is a unit of energy and power. The joule is the SI unit of energy defined as the work done when a force of one newton moves an object one meter in the direction of the force. It equals one kilogram meter squared per second squared (kg·m²/s²). This definition aligns with the International System of Units as standardized by the BIPM [bipm-si-brochure]. The joule is named after James Prescott Joule, a 19th-century physicist who studied energy conservation. It was officially adopted as a unit of energy by the CGPM in 1948 to unify energy measurement standards internationally [cgpm-resolutions]. Joules are used worldwide in physics, engineering, and electrical industries to quantify energy, work, and heat. Countries using the SI system, including those in Europe, Asia, and the Americas, rely on joules for scientific and industrial applications [nist-si-guide].

Common Misspellings

People often search for this conversion using these alternate spellings: kilowatt, kilo watt, kwatt, kilowat, joule, joul, jouls, juls. All of these refer to the Kilowatts to Joules conversion.

Common Conversions