Volts to joules calculator

Volts (V) and joules (J) are two key units in electrical and energy calculations. This blog will explain their relationship, the conversion process, and practical applications.

What Are Volts and Joules?

• Volt (V): A unit of electric potential or electromotive force. It measures the energy per unit charge.
• Joule (J): A unit of energy or work done. It measures the total energy transferred or used.

In simpler terms: volts indicate how much energy each charge carries, while joules measure the total energy.

The Relationship Between Volts, Joules, and Coulombs

The formula connecting volts, joules, and coulombs is:

$$\text{Volts (V)} = \frac{\text{Joules (J)}}{\text{Coulombs (C)}}$$

Rearranging the formula:

$$\text{Joules (J)} = \text{Volts (V)} \times \text{Coulombs (C)}$$

Here:

• Coulomb (C): A unit of electric charge.

How to Convert Volts to Joules

To convert volts to joules, you need the charge in coulombs. Multiply volts by coulombs to get joules.

Example:

• A battery has 9 volts.
• The charge transferred is 2 coulombs.
• Energy in joules = $9 \, \text{V} \times 2 \, \text{C} = 18 \, \text{J}$.