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Kilowatt-hours to Joules Converter

1 kWh = 3,600,000 J. Type any value to convert kilowatt-hours to joules.

1 kWh = 3,600,000 J

Formula: J = kWh × 3,600,000

Common values
Decimals
In every unit 12 units
Joule (J) 3,600,000 J
Kilojoule (kJ) 3,600 kJ
Megajoule (MJ) 3.6 MJ
Calorie (cal) 860,420.6501 cal
Kilocalorie (kcal) 860.4206501 kcal
Watt-hour (Wh) 1,000 Wh
Kilowatt-hour (kWh) 1 kWh
Electronvolt (eV) 2.246943267 × 10²⁵ eV
British thermal unit (BTU) 3,412.141633 BTU
Therm (thm) 0.03412956341 thm
Foot-pound (ft·lbf) 2,655,223.737 ft·lbf
Erg (erg) 36,000,000,000,000 erg

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Kilowatt-hours to joules table

Formula: J = kWh × 3,600,000

Kilowatt-hour (kWh)Joule (J)
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
6 kWh21,600,000 J
7 kWh25,200,000 J
8 kWh28,800,000 J
9 kWh32,400,000 J
10 kWh36,000,000 J
12 kWh43,200,000 J
15 kWh54,000,000 J
20 kWh72,000,000 J
25 kWh90,000,000 J
30 kWh108,000,000 J
40 kWh144,000,000 J
50 kWh180,000,000 J
60 kWh216,000,000 J
75 kWh270,000,000 J
100 kWh360,000,000 J
150 kWh540,000,000 J
200 kWh720,000,000 J
250 kWh900,000,000 J
500 kWh1,800,000,000 J
1,000 kWh3,600,000,000 J

How to use: Kilowatt-hours to Joules

  1. 1 Type the value in kilowatt-hours.
  2. 2 The result in joules appears at once – or type in the joules field to convert back.
  3. 3 Pick a common value, round to fewer decimals or swap the units with one click.
  4. 4 Copy the result, or open “In every unit” to see the value in all units of energy.

About this tool

Kilowatt-hour (kWh) is a unit of energy (metric, accepted for use with the SI); 1 kWh = 3,600,000 J. Joule (J) is a unit of energy (SI).

To convert kilowatt-hours to joules, multiply the value by 3,600,000 (J = kWh × 3,600,000). Example: 100 kWh = 360,000,000 J.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

How do I convert kilowatt-hours to joules?

To convert kilowatt-hours to joules, multiply the value by 3,600,000: J = kWh × 3,600,000. For example 100 kWh = 360,000,000 J.

What is 1 kWh in joules?

1 kWh = 3,600,000 J. The other way round, 1 J = 2.777777778 × 10⁻⁷ kWh.

How exact is the result?

The converter uses the official definitions of both units and shows up to 10 significant digits; choose 0–6 decimals to round. Both units are defined exactly in terms of each other, so the factor itself is exact.

Can I convert other units of energy here?

Yes – choose any of the 12 units of energy in the From and To lists, or switch to another measurement at the top.

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