Summary
Convert joules, food calories, watt-hours, and British thermal units.
Calculation details
A kilocalorie is 4,184 joules and a kilowatt-hour is 3.6 million joules.
Formula
Result = value × source joules ÷ target joules.
Worked example
Worked conversion
1 kWh equals 3,600 kJ.
How it works
Enter an energy value and select units. Food calories here mean kilocalories (4,184 J).
Frequently asked questions
Does the calculation round the input?
No. The converter retains raw JavaScript numeric precision and delegates visible rounding to the existing display formatter.
Which unit definitions are used?
Energy factors are centralized relative to the joule.