Kilowatt Hours to Watt Hours (kWh → Wh)

1,000.0

1.0000 kWh = 1,000.0 Wh

Formula

1 kWh = 1000 Wh
Watt HoursKilowatt Hours (Swap Units)

Conversion Table

kWhWh
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
kWhWh
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
kWhWh
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
kWhWh
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

Kilowatt Hours to Watt Hours Conversion

Converting Kilowatt Hours (kWh) to Watt Hours (Wh) is a common energy and power conversion. 1 kWh equals 1,000 Wh. For example, 100 kWh is equal to 100,000 Wh.

Quick Mental Math: Kilowatt Hours to Watt Hours

0.01 kilowatt hours is 10 watt hours, so use that as the mental anchor.

Why is converting Kilowatt Hours to Watt Hours tricky?

kilowatt hours to watt hours uses an awkward ratio, so people often round too early or move the decimal the wrong way.

Quick Reference Values

1 kWh = 1,000 Wh. 5 kWh = 5,000 Wh. 10 kWh = 10,000 Wh. 25 kWh = 25,000 Wh. 50 kWh = 50,000 Wh. 100 kWh = 100,000 Wh.

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 Watt Hours?

Watt Hours (Wh) is a unit of energy and power. A watt-hour (Wh) measures energy equivalent to one watt of power expended for one hour. It equals 3600 joules in SI derived units, where 1 Wh = 1 W × 3600 s. Watt-hours quantify electrical energy consumption and storage in batteries and utility meters [nist-si-guide]. The watt-hour emerged with the widespread use of electric power in the late 19th century. It was standardized as an energy unit by electrical engineers and later formalized within the International System of Units framework [bipm-si-brochure]. Utility companies worldwide bill electricity in kilowatt-hours, a multiple of watt-hours. The unit is critical for residential, commercial, and industrial energy monitoring and renewable energy systems across all continents [nist-si-guide].

Common Misspellings

People often search for this conversion using these alternate spellings: kilowatt hour, kw/h, kwh, kilowatthour, watt hours, watt-hour, watt hour, watthours. All of these refer to the Kilowatt Hours to Watt Hours conversion.

Common Conversions