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Convert Energy to Joule

Energy is a measure of the ability to do work. It is a fundamental quantity in physics and engineering. Energy is usually measured in joules (J), kilojoules (kJ), calories (cal) or kilocalories (kcal).


Please note that selecting new unit will reset the form values.

How to convert Energy to Joule

To convert and sum different Energy metric units to Joule, we need to first convert each given unit value to Joule and finally sum the resulting individual Joule values.

#Unit valueValue in Joule
10 Joule0 J
Sum the resulting Joule values 0 J

Frequently Asked Questions

How do I convert Kilojoule to Joule?

To convert kilojoules to joules, multiply by 1000. For example, 1 kJ = 1000 J

Formula: kiloJoule * 1000

How do I convert Calorie to Joule?

To convert calories to joules, multiply by 4.184. For example, 1 cal = 4.184 J

Formula: calorie * 4.184

How do I convert Kilocalorie to Joule?

To convert kilocalories to joules, multiply by 4184. For example, 1 kcal = 4184 J

Formula: kiloCalorie * 4184

How do I convert Watt-hour to Joule?

To convert watt-hours to joules, multiply by 3600. For example, 1 Wh = 3600 J

Formula: wattHour * 3600

How do I convert Kilowatt-hour to Joule?

To convert kilowatt-hours to joules, multiply by 3600000. For example, 1 kWh = 3600000 J

Formula: kiloWattHour * 3600000

0J