Energy Converter

About Energy Units

Energy is measured in various units depending on the context. Common units include joules (J), calories (cal), kilowatt-hours (kWh), and electron volts (eV). Understanding these units is crucial for physics, engineering, and everyday energy calculations.

Quick Tips

Use joules (J) for scientific calculations
Calories (cal) for food energy content
kWh for electrical energy consumption

Convert between joules, calories, kilowatt-hours, and more with precision and ease

Enter Value

From Unit

To Unit

Quick Reference

Common Conversions

1 kWh = 3,600,000 Joules
1 calorie = 4.184 Joules
1 BTU = 1,055 Joules

Scientific Units

1 eV = 1.602 × 10⁻¹⁹ Joules
1 erg = 10⁻⁷ Joules
1 MJ = 1,000,000 Joules

How to Use the Energy Converter

Enter the Value

Type the energy value you want to convert in the input field.

Select Units

Choose your source and target energy units from the dropdown menus.

Get Results

Click Convert to see your result with equivalent values in other units.

Frequently Asked Questions

How does the Energy Converter work?

Our Energy Converter transforms energy measurements between different units (e.g., joules to kilowatt-hours). Enter your value, select the input and output units, and it calculates the equivalent energy instantly.

What energy units can I convert between?

You can convert between units like joules (J), kilojoules (kJ), megajoules (MJ), watt-hours (Wh), kilowatt-hours (kWh), calories (cal), kilocalories (kcal), and electronvolts (eV).

Can it handle decimal values?

Yes, you can input decimal values (e.g., 3.25 kWh), and the converter will provide an accurate result, typically rounded to a practical number of decimal places.

Is it accurate for very small or large energy values?

Yes, it’s accurate for both small values (e.g., joules to electronvolts) and large ones (e.g., megajoules to kilowatt-hours), as long as the values are within standard numerical limits.

Can it convert energy for practical uses?

Yes, it’s useful for real-world applications like converting electricity usage (kWh) to joules for physics, or calories to kilojoules for nutrition and energy consumption analysis.

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