kWh to kJ Converter - Kilowatt-hour to Kilojoule

Kilowatt-hour (kWh) to Kilojoule (kJ)

Direct answer

1 kWh = 3,600 kJ

kJ = kWh × 3,600

Converter

Input

kWh

Result

3,600kJ

kJ = kWh × 3,600

kWh = kJ × 0.000277777778

Example: 10 kWh = 10 × 3,600 = 36,000 kJ.

Express both kWh and kJ in the same base unit J (joule), then cancel the shared base unit.

1
Rewrite kWh in the base unit
$1 kWh = 3, 600, 000 J$
2
Rewrite kJ in the base unit
$1 kJ = 1, 000 J$
3
Forward conversion
$1 kWh = \frac{3 , 600 , 000 J}{1 , 000 J} \times 1 kJ = \frac{3 , 600 , 000}{1 , 000} kJ = 3, 600 kJ$
4
Reverse conversion
$1 kJ = \frac{1 , 000 J}{3 , 600 , 000 J} \times 1 kWh = \frac{1 , 000}{3 , 600 , 000} kWh = 0.000277777778 kWh$

A guarded explanation for this pair page covering definition, principle, assumptions, and cautions.

Guarded output

AI text is for interpretation only. The page calculator remains the source of truth for numeric results.

1 kWh = 3,600 kJ.

10 kWh = 36,000 kJ.

100 kWh = 360,000 kJ.

Use kJ = kWh × 3,600.

1 kJ = 0.000277777778 kWh.

Use the conversion factor and round the result to the precision required by your calculation.