Energy Converter – Convert Joules, Calories, Kilowatt-Hours & More Instantly

Energy plays a vital role in various fields, from physics and engineering to everyday life. Common energy units include joules (J), calories (cal), kilowatt-hours (kWh), and British thermal units (BTUs). Converting between these units helps you manage energy usage, understand power consumption, and perform precise calculations.

Common conversions include:

1 Joule (J) = 0.239 Calories (cal)
1 Calorie (cal) = 4.184 Joules (J)
1 Kilowatt-Hour (kWh) = 3.6 Million Joules (J)
1 British Thermal Unit (BTU) = 1,055 Joules (J)
Use our Energy Converter to convert energy units easily and accurately. Enter your value, choose the units, and get instant, reliable results!