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Amps to volts calculator FullScreen

Calculate the voltage (volts) based on the electrical current in amperes (A) and the power or load. Ideal for understanding the voltage requirements for electrical devices or determining the voltage drop across a circuit. Obtain an estimation of volts from amperes using this convenient online tool.

Select calculation:  
Enter amps: A
Enter watts: W
Result in volts: V


What is Amps to volts calculator

Converting amps (A) to volts (V) is not possible without additional information. Amps represent the current flowing through a circuit, while volts represent the potential difference or voltage across a circuit.

To convert amps to volts, you would need to know either the resistance (R) or the impedance (Z) of the circuit using Ohm's Law:

Volts (V) = Amps (A) x Resistance (R) Volts (V) = Amps (A) x Impedance (Z)

Without the knowledge of resistance or impedance, it is not possible to calculate the voltage based solely on the amperage.

Additionally, it's worth noting that converting amps to volts may not be a straightforward conversion as it depends on the specific electrical circuit and its characteristics. It is recommended to consult the electrical specifications of the circuit or seek professional advice to accurately determine the voltage based on the given amperage.

Amps to volts calculation

The voltage V in volts (V) is equal to the power P in watts (W), divided by the current I in amps (A):

V(V) = P(W) / I(A)

The voltage V in volts (V) is equal to the current I in amps (A), times the resistance R in ohms (Ω):

V(V) = I(A) × R(Ω)

Amps to volts calculator Example

To convert Amps (A) to Volts (V), you need to know the power (P) in Watts (W) and the power factor (PF) of the electrical system. The formula for this conversion is:

Volts (V) = Power (P) / (Amps (A) × Power Factor (PF))

Here's an example that demonstrates the calculation using a calculator:

Let's assume you have a load with a power consumption of 1000 Watts (W), a current draw of 5 Amps (A), and a power factor of 0.9:

Volts (V) = 1000 W / (5 A × 0.9 PF) ≈ 222.22 V

Therefore, with a power consumption of 1000 Watts, a current draw of 5 Amps, and a power factor of 0.9, the voltage would be approximately 222.22 Volts.

Please note that this calculation assumes a resistive or non-reactive load. For loads with reactive components, such as those with inductive or capacitive elements, further considerations and calculations are necessary to determine the true voltage required. Additionally, power factor plays a significant role in determining the voltage required for a given power and current.