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Electrical Potential Calculator

Last updated: Monday, May 01, 2023
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Ohm's Law
Energy & Charge
Power & Current
Power & Resistance
Charge & Capacitance

The electrical potential, also known as voltage, can be determined using the relationship between electric power and electric current.

Ohm's law states that the electric current passing through a conductor between two points is directly proportional to the voltage across the two points, and inversely proportional to the resistance between them. Mathematically, this can be expressed as:

V = I * R

Where V is the voltage, I is the electric current, and R is the resistance.

We can rearrange Ohm's law to solve for voltage:

V = P / I

Where P is the electric power, which is the product of the electric current and the voltage:

P = I * V

Therefore, we can substitute P / I for V in the equation above, giving us:

V = P / I

This equation allows us to calculate the voltage (or electrical potential) given the electric power and electric current.

An alternative formula for determining the electric potential can be derived from:
\(P\) \(=\) \(V\) \(\cdot\) \(I\)
\(V\): the electric potential
\(P\): the electric power
\(I\): the electric current
The SI unit of electric power is: \(watt\text{ }(W)\)

Find V

Use this calculator to determine the electric potential when the electric power and current are given.
the electric power
the electric current
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