kJ to kWh converter

1 kilojoule equals 0.0002777778 kilowatt-hours. Conversions use kWh = kJ × 0.000278

kJ → 0.0002777778 kWh

kWh = kJ × 0.000278

Converter

Worked examples

1 kJ = 0.0002777778 kWh
2 kJ = 0.0005555556 kWh
5 kJ = 0.0013888889 kWh
10 kJ = 0.0027777778 kWh
100 kJ = 0.02777778 kWh

kilojoules to kilowatt-hours conversion table

kJ	kWh	Arithmetic
1 kJ	0.0002777778 kWh	× 0.000278
2 kJ	0.0005555556 kWh	× 0.000278
3 kJ	0.0008333333 kWh	× 0.000278
4 kJ	0.0011111111 kWh	× 0.000278
5 kJ	0.0013888889 kWh	× 0.000278
6 kJ	0.0016666667 kWh	× 0.000278
8 kJ	0.0022222222 kWh	× 0.000278
10 kJ	0.0027777778 kWh	× 0.000278
12 kJ	0.0033333333 kWh	× 0.000278
15 kJ	0.0041666667 kWh	× 0.000278
20 kJ	0.0055555556 kWh	× 0.000278
25 kJ	0.0069444444 kWh	× 0.000278
30 kJ	0.0083333333 kWh	× 0.000278
40 kJ	0.01111111 kWh	× 0.000278
50 kJ	0.01388889 kWh	× 0.000278
60 kJ	0.01666667 kWh	× 0.000278
70 kJ	0.01944444 kWh	× 0.000278
80 kJ	0.02222222 kWh	× 0.000278
90 kJ	0.025 kWh	× 0.000278
100 kJ	0.02777778 kWh	× 0.000278

How to convert kJ to kWh

Take your value in kilojoules.
Multiply by 0.000278
That is your answer in kilowatt-hours — no rounding needed until you choose a display precision.

Related conversions

kWh to kJ J to kWh kJ to J kJ to cal kJ to kcal kJ to Wh kJ to Btu cal to kWh kcal to kWh all energy units

Questions

How many kilowatt-hours in 1 kilojoule?

Exactly 0.0002777778 kWh. The factor follows from the definitions of both units, not from a measurement, so it is exact.

How do I convert kJ to kWh?

Multiply the kilojoules figure by 0.000278 — or use the converter above, which updates as you type.

Is kJ to kWh the same as kWh to kJ?

No — they are inverses. One kJ is 0.0002777778 kWh, while one kWh is 3,600 kJ.

What is 1 kJ in kWh?

1 kJ = 0.0002777778 kWh (see the value page for the full arithmetic).