Joule to Kilowatt-hour Converter

Convert joules to kilowatt-hours instantly with our accurate and easy-to-use conversion tool.

J
Result
0kWh

Kilowatt-hour

Conversion Formula

Kilowatt-hour = Joule × 2.7778e-7

Where:

  • J = Joule
  • kWh = Kilowatt-hour

About Joule

The joule (J) is a unit of energyin the metric system of measurement.

About Kilowatt-hour

The kilowatt-hour (kWh) is a unit of energyin the metric system of measurement.

How to Convert Joule to Kilowatt-hour

To convert from joules to kilowatt-hours, use our converter above. Simply enter the value in joulesand get instant results in kilowatt-hours.

Quick Reference:

  • 1 J = 0.000000 kWh
  • 1 kWh = 3600000.000000 J

Common Joule to Kilowatt-hour Conversions

1 J
= 0.00 kWh
5 J
= 0.00 kWh
10 J
= 0.00 kWh
25 J
= 0.00 kWh
50 J
= 0.00 kWh
100 J
= 0.00 kWh

Conversion Reference Table

Joule (J)Kilowatt-hour (kWh)
10
20
30
40
50
100
150
200
250
500
750
1000
2500.0001
5000.0001
1,0000.0003

Quick reference table showing common joules to kilowatt-hours conversions.

Real-World Energy Conversions

Electricity Bills

Understanding your power consumption in kilowatt-hours (kWh). A 100W bulb running for 10 hours uses 1 kWh. Convert kWh to joules or BTU for energy calculations.

🍎

Food and Nutrition

Converting between Calories (kcal) and joules for nutritional information. Food energy content is measured in Calories, with 1 Calorie equaling approximately 4.2 kilojoules.

🔥

Heating and Cooling

HVAC systems use BTU (British Thermal Units) to measure heating/cooling capacity. Converting BTU to watts or joules helps compare different systems.

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Physics and Science

Scientific calculations use joules as the SI unit of energy. Converting between joules, kilojoules, and megajoules for physics problems and research.

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Battery Capacity

Batteries are rated in watt-hours (Wh) or milliamp-hours (mAh). Converting between units helps compare battery performance and runtime.

Fuel Energy Content

Fuels are compared using energy content per unit mass or volume. Converting between joules per gram, BTU per pound, or kWh per liter.

Energy Conversion FAQs