Joules to Kilowatt-hours

Convert Joules to Kilowatt-hours. 1 J equals 0.000000278 kWh. Type a value on either side; the formula and tables below show how it works.

J
kWh
1 Joules equals
0.000000278kWh

Formula: kWh = J × 0.000000278. Example: 5 J = 0.000001389 kWh.

1 Joules in every unit

Kilojoules0.001 kJ
Calories0.239006 cal
Kilocalories0.000239006 kcal
Watt-hours0.000277778 Wh
Kilowatt-hours0.000000278 kWh
BTU0.000947817 BTU
Therms0.000000009 thm
Electronvolts6,241,509,074,460,763,136 eV

Joules to Kilowatt-hours table

JoulesKilowatt-hours
0.1 J0.000000028 kWh
0.25 J0.000000069 kWh
0.5 J0.000000139 kWh
1 J0.000000278 kWh
2 J0.000000556 kWh
3 J0.000000833 kWh
4 J0.000001111 kWh
5 J0.000001389 kWh
10 J0.000002778 kWh
15 J0.000004167 kWh
20 J0.000005556 kWh
25 J0.000006944 kWh
50 J0.000013889 kWh
75 J0.000020833 kWh
100 J0.000027778 kWh
250 J0.000069444 kWh
500 J0.000138889 kWh
1,000 J0.000277778 kWh
Kilowatt-hoursJoules
0.1 kWh360,000 J
0.25 kWh900,000 J
0.5 kWh1,800,000 J
1 kWh3,600,000 J
2 kWh7,200,000 J
3 kWh10,800,000 J
4 kWh14,400,000 J
5 kWh18,000,000 J
10 kWh36,000,000 J
15 kWh54,000,000 J
20 kWh72,000,000 J
25 kWh90,000,000 J
50 kWh180,000,000 J
75 kWh270,000,000 J
100 kWh360,000,000 J
250 kWh900,000,000 J
500 kWh1,800,000,000 J
1,000 kWh3,600,000,000 J

How to convert joules to kilowatt-hours

kWh = J × 0.000000278

Multiply the value in joules by 0.000000278. To go the other way, divide by the same number, or multiply by 3,600,000. For example, 5 J × 0.000000278 = 0.000001389 kWh.

About the units

Joules (J). The SI unit of energy: the work done by a force of one newton over one meter.

Kilowatt-hours (kWh). 3.6 million joules. The unit on electricity bills.

Other energy conversions

Joules to Kilojoules · Joules to Calories · Joules to Kilocalories · Joules to Watt-hours · Joules to Kilowatt-hours · Joules to BTU · Joules to Therms · Joules to Electronvolts · Kilojoules to Kilowatt-hours · Calories to Kilowatt-hours · Kilocalories to Kilowatt-hours · Watt-hours to Kilowatt-hours · Kilowatt-hours to Joules · Kilowatt-hours to Kilojoules · Kilowatt-hours to Calories · Kilowatt-hours to Kilocalories · Kilowatt-hours to Watt-hours · Kilowatt-hours to BTU · Kilowatt-hours to Therms · Kilowatt-hours to Electronvolts · BTU to Kilowatt-hours · Therms to Kilowatt-hours · Electronvolts to Kilowatt-hours

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