⚡ kWh to J — Kilowatt-hour to Joule Converter

Convert energy units — joules, calories, kilowatt-hours, BTU, kilojoules.

Formula 1 kWh = 3600000 J
UnitNameValue
J Joule 3600000
kJ Kilojoule 3600
cal Calorie 860420.65
kcal Kilocalorie (Cal) 860.42065
BTU BTU 3412.1282

About Kilowatt-hour to Joule Conversion

The Kilowatt-hour (kWh) and the Joule (J) are both units of energy. Converting between them is straightforward using the formula above.

Formula: 1 kWh = 3600000 J

This converter uses internationally recognized conversion factors. All calculations are performed client-side in your browser — no data is sent to any server.

Frequently Asked Questions

How do I convert Kilowatt-hour to Joule?

Use the converter above — enter your value in Kilowatt-hour and the result appears instantly in Joule. The formula is: 1 kWh = 3600000 J

How many Joule are in 100 Kilowatt-hour?

100 kWh = 360000000 J

What is 1 Kilowatt-hour in Joule?

1 kWh = 3600000 J

Is this Kilowatt-hour to Joule converter free?

Yes — Unitafy is completely free, requires no signup, and works instantly in your browser.