Energy Converter
// Convert between joules, calories, kWh, BTU, and eV
1
0.239006
2.777778e-7
9.478134e-4
6.241509e+18
#About Energy Converter
Free online energy converter. Convert between joules, calories, kilowatt-hours, BTU, and electron volts instantly. This tool runs entirely in your browser — your data is never sent to a server. Just paste your input, get instant results, and copy with one click. No sign-up or installation required.
#FAQ
How many joules are in a calorie? ▾
One thermochemical calorie equals approximately 4.184 joules. One food Calorie (kcal) equals 4,184 joules.
What is a kilowatt-hour? ▾
A kilowatt-hour (kWh) is a unit of energy equal to 3,600,000 joules. It represents the energy consumed by a 1,000-watt appliance running for one hour.
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<iframe src="https://www.browserutils.dev/embed/energy-converter" width="100%" height="500" frameborder="0" title="Energy Converter"></iframe>