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Kilowatts (kW) to Kilowatt-Hours (kWh)

0.1 kW	0.1 kWh
0.2 kW	0.2 kWh
0.3 kW	0.3 kWh
0.4 kW	0.4 kWh
0.5 kW	0.5 kWh
0.6 kW	0.6 kWh
0.7 kW	0.7 kWh
0.8 kW	0.8 kWh
0.9 kW	0.9 kWh
1 kW	1 kWh
1.1 kW	1.1 kWh
1.2 kW	1.2 kWh
1.3 kW	1.3 kWh
1.4 kW	1.4 kWh
1.5 kW	1.5 kWh
1.6 kW	1.6 kWh
1.7 kW	1.7 kWh
1.8 kW	1.8 kWh
1.9 kW	1.9 kWh
2 kW	2 kWh

2.1 kW	2.1 kWh
2.2 kW	2.2 kWh
2.3 kW	2.3 kWh
2.4 kW	2.4 kWh
2.5 kW	2.5 kWh
2.6 kW	2.6 kWh
2.7 kW	2.7 kWh
2.8 kW	2.8 kWh
2.9 kW	2.9 kWh
3 kW	3 kWh
3.1 kW	3.1 kWh
3.2 kW	3.2 kWh
3.3 kW	3.3 kWh
3.4 kW	3.4 kWh
3.5 kW	3.5 kWh
3.6 kW	3.6 kWh
3.7 kW	3.7 kWh
3.8 kW	3.8 kWh
3.9 kW	3.9 kWh
4 kW	4 kWh

4.1 kW	4.1 kWh
4.2 kW	4.2 kWh
4.3 kW	4.3 kWh
4.4 kW	4.4 kWh
4.5 kW	4.5 kWh
4.6 kW	4.6 kWh
4.7 kW	4.7 kWh
4.8 kW	4.8 kWh
4.9 kW	4.9 kWh
5 kW	5 kWh
5.1 kW	5.1 kWh
5.2 kW	5.2 kWh
5.3 kW	5.3 kWh
5.4 kW	5.4 kWh
5.5 kW	5.5 kWh
5.6 kW	5.6 kWh
5.7 kW	5.7 kWh
5.8 kW	5.8 kWh
5.9 kW	5.9 kWh
6 kW	6 kWh

6.1 kW	6.1 kWh
6.2 kW	6.2 kWh
6.3 kW	6.3 kWh
6.4 kW	6.4 kWh
6.5 kW	6.5 kWh
6.6 kW	6.6 kWh
6.7 kW	6.7 kWh
6.8 kW	6.8 kWh
6.9 kW	6.9 kWh
7 kW	7 kWh
7.1 kW	7.1 kWh
7.2 kW	7.2 kWh
7.3 kW	7.3 kWh
7.4 kW	7.4 kWh
7.5 kW	7.5 kWh
7.6 kW	7.6 kWh
7.7 kW	7.7 kWh
7.8 kW	7.8 kWh
7.9 kW	7.9 kWh
8 kW	8 kWh

Energy, when Time is various and Power is equal to 0.5 kW

0.5 h	0.25 kWh
1 h	0.5 kWh
1.5 h	0.75 kWh
2 h	1 kWh
2.5 h	1.25 kWh
3 h	1.5 kWh
3.5 h	1.75 kWh
4 h	2 kWh
4.5 h	2.25 kWh
5 h	2.5 kWh
5.5 h	2.75 kWh
6 h	3 kWh
6.5 h	3.25 kWh
7 h	3.5 kWh
7.5 h	3.75 kWh
8 h	4 kWh
8.5 h	4.25 kWh
9 h	4.5 kWh
9.5 h	4.75 kWh
10 h	5 kWh

10.5 h	5.25 kWh
11 h	5.5 kWh
11.5 h	5.75 kWh
12 h	6 kWh
12.5 h	6.25 kWh
13 h	6.5 kWh
13.5 h	6.75 kWh
14 h	7 kWh
14.5 h	7.25 kWh
15 h	7.5 kWh
15.5 h	7.75 kWh
16 h	8 kWh
16.5 h	8.25 kWh
17 h	8.5 kWh
17.5 h	8.75 kWh
18 h	9 kWh
18.5 h	9.25 kWh
19 h	9.5 kWh
19.5 h	9.75 kWh
20 h	10 kWh

21 h	10.5 kWh
22 h	11 kWh
23 h	11.5 kWh
24 h	12 kWh
25 h	12.5 kWh
26 h	13 kWh
27 h	13.5 kWh
28 h	14 kWh
29 h	14.5 kWh
30 h	15 kWh
31 h	15.5 kWh
32 h	16 kWh
33 h	16.5 kWh
34 h	17 kWh
35 h	17.5 kWh
36 h	18 kWh
37 h	18.5 kWh
38 h	19 kWh
39 h	19.5 kWh
40 h	20 kWh

41 h	20.5 kWh
42 h	21 kWh
43 h	21.5 kWh
44 h	22 kWh
45 h	22.5 kWh
46 h	23 kWh
47 h	23.5 kWh
48 h	24 kWh
49 h	24.5 kWh
50 h	25 kWh
55 h	27.5 kWh
60 h	30 kWh
65 h	32.5 kWh
70 h	35 kWh
75 h	37.5 kWh
80 h	40 kWh
85 h	42.5 kWh
90 h	45 kWh
95 h	47.5 kWh
100 h	50 kWh

Guest: 2025-05-14 12:24:49

The difference between "kilowatt" and "kilowatt-hour"

It's a common misunderstanding, yes, to use 'kilowatts' instead of 'kilowatt-hours', even among those with a technical education. The term' kilowatt per hour' (kWh) is often used, but it's important to note that such a unit of measurement doesn't physically exist. A watt is an instantaneous value and cannot be divided by a unit of time. It's already a joule (work) divided by a second, so the concept of 'accelerating work' is not applicable.

"Kilowatt" and "kilowatt-hour" are similar in name but have two big differences. "Kilowatt is a multiple of 'watt,' a system unit of power measurement. A kilowatt-hour is a non-system accounting unit for consumed or produced electrical energy. Watts and kilowatts express the power of an electrical device, while kilowatt-hours measure energy (for example, the electricity consumed by a house is measured in kWh).

Historically, power engineers have measured energy in kWh, although it would be more correct to use joules.

Kilowatt-hour (kWh, kWh) is a non-systemic unit for accounting for the amount of electrical energy consumed or produced. The use of electric energy meters. It recommends using "kilowatt-hour" as the main unit of measurement for recording the amount of electricity used. Because "kilowatt-hour" is the simplest, most convenient, and practical form, allowing you to get the most acceptable, human-readable results. It does not object at all to the use of multiples and submultiples of units formed from "kilowatt-hour" at the consumer and narrow professional level:

1 kilowatt-hour = 1000 watt-hour
1 megawatt-hour = 1000 kilowatt-hour

kW or kilowatt-hour?

Designation of household electrical appliances. The generally accepted practice is to designate the electrical characteristics of devices on their casing. The choice of units of measurement is individual, at the manufacturer's discretion. Taking into account the features of the electrical equipment produced, the following designation options are possible (and are not a mistake):

In watts and kilowatts (W, kW), for ease of user understanding, the useful output power of electric motors, electric heaters, and other devices that convert electrical energy into mechanical, thermal, and light energy is indicated. In the case of determining the importance of an electrical appliance in terms of the useful light, mechanical, or thermal effect it produces at the consumer level,
In watt-hours and kilowatt-hours (Wh, kWh), indicate the amount of electrical energy consumed by the electrical appliance per unit of time—1 hour (60 min). For low-power household electrical appliances that constantly switch on (refrigerators), it is customary to indicate the annual electricity consumption, again, a digestible user form of understanding a physical quantity.

There are household microwave ovens from different manufacturers, the power of which is indicated in kilowatts (kW), kilowatt-hours (kWh), or volt-amperes (VA). In the first case, the manufacturer stated the thermal power (as a heating unit), in the second—the consumed electrical power (as an electrical consumer), and in the third—the total electrical power (as an electrical appliance).

Since household electrical equipment is low-power enough to take into account the laws of scientific electrical engineering, all three figures are practically the same at the household level.

The difference between "kilowatt and kilowatt-hour"

At the level of a household appliance-electric converter:

An electric unit's output thermal or mechanical power is measured in kilowatts.
The electrical power consumed by an electric unit is measured in kilowatt-hours.

The figures for the generated (mechanical or thermal) and consumed (electrical) energy of a household appliance are practically the same. The connection of the units of measurement of kilowatt and kilowatt-hour is applicable for cases of direct and reverse conversion of electrical energy into mechanical, thermal, etc. In the case of direct or reverse conversion of electrical energy into mechanical or thermal energy, you can link kilowatt-hours with other units of energy measurement using the website's online calculator.
Convert kilowatt-hours => to Joules, calories, and multiples.

Heat power engineers have also contributed to the confusion. As is known, heat loss is determined by the amount of energy lost through enclosing structures per unit of time.

Heat Loss is the heat (energy) loss per unit of time. For example, kW * hours in 24 hours (kW * hour / 24 hours). The hours are reduced, and kilowatts remain. That is, heat loss is measured in watts and kilowatts. Therefore, mathematically, time is not considered in calculations, but it is convenient to talk about it (until the hours are reduced).

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