Energy Unit Converter
100% Client-SideConvert energy and work measurements across Joules (J), Kilojoules (kJ), Kilowatt-Hours (kWh), Watt-Hours (Wh), Calories (cal), Kilocalories / Food Calories (kcal), British Thermal Units (BTU), Electron-Volts (eV), and Foot-Pounds (ft-lb).
1 kWh = 3,600,000 Joules (3.6 MJ)
All Energy Units Matrix
| Energy Scale | Symbol | Converted Value |
|---|
How to Use Energy Unit Converter
Type the energy or electrical work quantity.
Select Joules, kWh, Food Calories (kcal), BTU, or eV.
Compare nutritional energy, household electricity (kWh), and physics units.
Key Features & Privacy
Includes SI (J, kJ), Electricity (kWh, Wh), Nutrition (kcal, cal), Thermal (BTU), and Physics (eV, ft-lb).
Quick 1 kWh and 2,000 kcal daily diet energy equivalency calculations.
Calculates microscopic electron-volts and megawatt-hours seamlessly.
This tool runs entirely in your local browser runtime. No logs, analytics tracking, or remote server transmissions occur.
Related Tools
View all Unit & Format Converters →Length, Weight & Temp Converter
Convert between metric and imperial units for length (meters, feet, inches), mass (kg, pounds, ounces), temperature (°C, °F, Kelvin), speed, and area with instant calculation.
Currency Format Formatter
Format financial numbers into global international currency styles (USD, EUR, GBP, JPY, INR Lakhs/Crores) and generate formal written number words.
Time Zone Converter
Convert dates and times across international time zones (UTC, New York EST, London GMT, Tokyo JST, Mumbai IST, San Francisco PST) with daylight saving accuracy.