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Energy Converter

Energy Converter
Enter Energy Value:
From Unit:
To Unit:

Conversion Options

Show All UnitsDisplay conversion in all energy units

Note: This tool converts between different energy units.

About This Energy Converter

This tool converts between different energy measurement units including joules, calories, watt-hours, and more. Energy conversion is essential in physics, engineering, and everyday life for comparing different forms of energy.

How to Use This Converter

Step-by-Step Guide:
  1. Step 1: Enter the energy value you want to convert
  2. Step 2: Select the unit you're converting from
  3. Step 3: Select the unit you want to convert to
  4. Step 4: Click "Convert Energy" to see results
  5. Step 5: View additional energy information
  6. Step 6: Copy or clear results as needed
Conversion Formulas:
  • Joules to Calories: 1 cal = 4.184 J
  • Joules to Watt-hours: 1 Wh = 3600 J
  • Joules to Electronvolts: 1 eV = 1.60218 × 10⁻¹⁹ J
  • Joules to BTUs: 1 BTU = 1055.06 J
  • Joules to Foot-pounds: 1 ft·lb = 1.35582 J
  • Calories to Joules: 1 J = 0.239006 cal
  • Kilowatt-hours to Joules: 1 kWh = 3.6 × 10⁶ J
Example Conversions:
Input: 1000 J to calories
Output: 239.006 cal

Input: 1 kWh to joules
Output: 3,600,000 J

Input: 5000 BTU to kWh
Output: 1.46507 kWh

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