Energy Converter

Energy Converter

Converter

Convert between joules, calories, kilocalories, watt-hours, kilowatt-hours, and electronvolts.

Energy Converter

Convert between energy measurement units

Converted Energy

Enter value and press Convert

About Energy Converter

Convert between joules, calories, kilocalories, watt-hours, kilowatt-hours, and electronvolts. Perfect for physics, nutrition, and electricity calculations.

Common Energy Conversions

FromToMultiply By
JouleCalorie0.239006
CalorieJoule4.184
kWhJoule3,600,000
kcalkJ4.184

Frequently Asked Questions

About the Energy Converter

Convert between joules, calories, kilocalories, watt-hours, kilowatt-hours, and electronvolts.

Formula

Value in joules = Value × conversion factor

Reference Table

CategoryValue
1 cal4.184 J
1 kWh3.6 MJ
1 eV1.602 × 10⁻¹⁹ J
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