Energy Converter

Watt-hour to Kilojoule
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Converting between watt-hours and kilojoules is essential in physics, nutrition, electrical engineering, and heating calculations. Energy units bridge different domains: joules in physics, calories in nutrition, kilowatt-hours in electricity, and BTUs in heating.

Also convert to: J kJ MJ cal kcal kWh BTU

3.48611 wh = 12.549996 kj

3.48611 (three) watt-hour(s) is equal to 12.549996 (twelve) kilojoule(s)

What is watt-hour?

The watt-hour (Wh) equals 3,600 joules. It measures electrical energy consumption over time. Battery capacities for small devices are often measured in watt-hours.

What is kilojoule?

The kilojoule (kJ) equals 1,000 joules. It is used in nutrition labelling in many countries and for measuring the energy content of foods, chemical reactions, and industrial processes.

How to convert wh to kj

To convert Watt-hour to Kilojoule, multiply the value by 3.6.
3.48611 wh × 3.6 = 12.549996 kj

Common Conversions

wh kj (Kilojoule) Description
1 Wh 3.6 kJ 1 Watt-hour(s) = 3.6 Kilojoule(s)
2 Wh 7.2 kJ 2 Watt-hour(s) = 7.2 Kilojoule(s)
5 Wh 18 kJ 5 Watt-hour(s) = 18 Kilojoule(s)
10 Wh 36 kJ 10 Watt-hour(s) = 36 Kilojoule(s)
25 Wh 90 kJ 25 Watt-hour(s) = 90 Kilojoule(s)
50 Wh 180 kJ 50 Watt-hour(s) = 180 Kilojoule(s)
100 Wh 360 kJ 100 Watt-hour(s) = 360 Kilojoule(s)
250 Wh 900 kJ 250 Watt-hour(s) = 900 Kilojoule(s)
500 Wh 1800 kJ 500 Watt-hour(s) = 1800 Kilojoule(s)
1000 Wh 3600 kJ 1000 Watt-hour(s) = 3600 Kilojoule(s)
2500 Wh 9000 kJ 2500 Watt-hour(s) = 9000 Kilojoule(s)
5000 Wh 18000 kJ 5000 Watt-hour(s) = 18000 Kilojoule(s)
10000 Wh 36000 kJ 10000 Watt-hour(s) = 36000 Kilojoule(s)

Convert Watt-hour to other units

wh Unit Description
3.48611 Wh 12549.996 J Joule
3.48611 Wh 12.549996 kJ Kilojoule
3.48611 Wh 0.01255 MJ Megajoule
3.48611 Wh 2999.521033 cal Calorie
3.48611 Wh 2.999521 kcal Kilocalorie
3.48611 Wh 0.003486 kWh Kilowatt-hour
3.48611 Wh 11.895101 BTU British thermal unit

More Kilojoule conversions

1 Wh 2 Wh 3 Wh 4 Wh 5 Wh 6 Wh 7 Wh 8 Wh 9 Wh 10 Wh 11 Wh 12 Wh 13 Wh 14 Wh 15 Wh 16 Wh 17 Wh 18 Wh 19 Wh 20 Wh 25 Wh 30 Wh 40 Wh 50 Wh 60 Wh 70 Wh 80 Wh 90 Wh 100 Wh 200 Wh 300 Wh 500 Wh 1000 Wh 2000 Wh 5000 Wh 10000 Wh

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