NiftyRecipe Online energy conversion
kJ/kWh 0.000278 kWh/kcal 860.42065 kcal/BTU 3.965667 kcal/cal 1000 MJ/kcal 239.005736 BTU/kJ 1.055056
kWh / kJ

Kilowatt-hour to Kilojoule converter

1 kWh = 3600 kJ

This is the Kilowatt-hour to Kilojoule converter. The factor is fixed: 1 kWh = 3600.000000000383 kJ. Open a common amount below, or type any value — only selected amounts are indexed.

Enter a value and click Calculate - opens the page with the new result

Formula: kilowatt-hour to kilojoule

kJ = kWh × 3600 (1 KWH = 3600 KJ)

Reference values: kilowatt-hour → kilojoule
kWh kJ
1 kWh 3600 kJ
100 kWh 360000 kJ
200 kWh 720000 kJ
500 kWh 1800000 kJ
1000 kWh 3600000 kJ
2000 kWh 7200000.000001 kJ
Common conversions
FAQ for kWh → kJ
Is kWh the same as a food calorie?

No. kWh is electrical energy; kcal is common on food labels. We only convert physical energy equivalents.

How many kcal in 1 kWh?

About 860.4 kcal (thermochemical, since 1 kWh = 3.6 MJ). See the live factor on this page.

Formula?

kJ = kWh × 3600 (1 KWH = 3600 KJ)

Reverse?

1 kilojoule ≈ 0.000278 kilowatt-hour.

How much is 1 kilowatt-hour in kilojoule?

3600 kilojoule. Factor 1 kilowatt-hour = 3600 kilojoule.

How the Kilowatt-hour to Kilojoule converter works

This hub describes the pair, not a single number. Pages like 1, 10 or 100 Kilowatt-hour answer exact searches.

NiftyRecipe uses thermochemical energy factors (for example 1 kcal = 4184 J). Results do not change with the time of day.