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Convert Joule to Kilowatt-hour.

Input the value of joules below to convert instantly to kilowatt-hours with standard conversions, definitions, and equations.

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kWh
Value in Kilowatt-hours = Value in Joules × 2.7778e-7 Multiply the value in joules by the conversion factor 2.7778e-7.

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How to Convert Joules to Kilowatt-hours

To convert joule to kilowatt-hour, we use the official conversion formulas. Below is the mathematical formula, plain-English explanation, and a worked example.

joule-to-kilowatt-hour-formula.py
# Mathematical Formula
Value in Kilowatt-hours = Value in Joules × 2.7778e-7
# Worked Example (5 J)
5 J × 2.7778e-7 = 0.0000 kWh
What is a Joule?

Joule (J)

The base SI unit of energy, equal to work done by a force of one newton moving one meter.

What is a Kilowatt-hour?

Kilowatt-hour (kWh)

Standard utility bill unit representing 1,000 Watt-hours (3.6 MegaJoules).

Joule to Kilowatt-hour Conversion Table

Joule (J) Kilowatt-hour (kWh)
1 J 2.7778e-7 kWh
2 J 5.5556e-7 kWh
3 J 8.3333e-7 kWh
5 J 1.3889e-6 kWh
10 J 2.7778e-6 kWh
15 J 4.1667e-6 kWh
20 J 5.5556e-6 kWh
25 J 6.9444e-6 kWh
50 J 0.00001 kWh
100 J 0.00003 kWh
250 J 0.00007 kWh
500 J 0.00014 kWh
1000 J 0.00028 kWh

Kilowatt-hour to Joule Conversion Table

Kilowatt-hour (kWh) Joule (J)
1 kWh 3600000 J
2 kWh 7200000 J
3 kWh 1.0800e+7 J
5 kWh 1.8000e+7 J
10 kWh 3.6000e+7 J
15 kWh 5.4000e+7 J
20 kWh 7.2000e+7 J
25 kWh 9.0000e+7 J
50 kWh 1.8000e+8 J
100 kWh 3.6000e+8 J
250 kWh 9.0000e+8 J
500 kWh 1.8000e+9 J
1000 kWh 3.6000e+9 J
Questions

Frequently Asked Questions

How do I convert joules to kilowatt-hours?

Multiply the value in joules by the conversion factor 2.777778e-7. For example, to convert 5 joules to kilowatt-hours: 5 × 2.777778e-7 = 0.0000 kWh.

What is the conversion factor from joule to kilowatt-hour?

The conversion factor is 2.777778e-7. One joule is equal to 2.777778e-7 kilowatt-hours.

What is the reverse conversion from kilowatt-hour to joule?

To convert kilowatt-hours back to joules, multiply by 3.600000e+6 (or divide the value by 2.777778e-7). One kilowatt-hour is equal to 3.600000e+6 joules.

How many Joules are in 1 Kilowatt-hour (kWh)?

There are exactly 3,600,000 Joules (or 3.6 Megajoules) in 1 kWh.

What is the difference between a calorie and a Calorie?

A lowercase calorie (cal) is a small metric unit (4.184 J). A capitalized Calorie (Cal) is a food calorie, which is actually a kilocalorie (1,000 small calories or 4,184 J).

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