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Joules to volts calculator FullScreen

Convert energy in joules (J) to voltage in volts (V). Ideal for understanding the relationship between energy and electric potential. Obtain an estimation of voltage from joules using this practical online tool.

Enter energy in joules: J
Enter charge in coulombs: C
Voltage result in volts: V


What is Joules to volts calculator

Converting joules (J) to volts (V) requires knowledge of the electric charge (Q) in coulombs (C) and the capacitance (C) in farads (F) of an electrical system. The formula for converting joules to volts is:

Volts (V) = √(2 * Joules (J) / (Electric Charge (Q) * Capacitance (C)))

To use this formula, you need to know the energy in joules and the electric charge and capacitance values.

Please note that this formula assumes a specific scenario where the energy is stored in a capacitor and released as electrical potential energy. It does not cover all possible conversions from joules to volts.

If you do not have information about the electric charge and capacitance or the specific context in which the conversion is required, it may not be possible to directly convert joules to volts.

Joules to volts calculation

The voltage V in volts (V) is equal to the energy E in joules (J), divided by the charge Q in coulombs (C):

V(V) = E(J) / Q(C)

Joules to volts Example

To convert joules (J) to volts (V), you need to know the amount of electrical energy (in joules) and the electric charge (in coulombs) associated with it. The formula to calculate voltage (V) in volts from energy (E) in joules and charge (Q) in coulombs is:

Voltage (V) = Energy (J) / Charge (Q)

Here's an example that demonstrates the calculation:

Let's assume you have an energy value of 1000 joules and a charge of 5 coulombs.

Voltage (V) = 1000 J / 5 C = 200 V

Therefore, the voltage corresponding to 1000 joules of energy with a charge of 5 coulombs would be 200 volts.

Please note that this calculation assumes a linear relationship between energy and charge, which may not always be the case in practical situations. Additionally, the conversion from joules to volts depends on the specific context and electrical system involved.