Use this Online tool for Amps (A) to kilovolt-amps (kVA) calculator.Select phase number from the drop-down list and input the current in amps(A), the voltage(V) in volts and click the Calculate button to obtain the apparent power in result(in kilovolt-amps).

## How to convert electric current in amps (A) to apparent power in kilovolt-amps (kVA)?

### amps(A) to kVA calculation formula in Single phase

**S(kVA) = I(in amps) × V(in Volts) / 1000**

**kilovolt-amps = amps(A) × volts(V) / 1000**

**or**

**kVA = A x V / 1000**

**Let's take one example**

**Example#1**

Find out the apparent power in kVA(S) where the phase current(I) is 10A and the RMS(root mean square) voltage supply is 120V in the circuit.

Apply formula for the solution:

S = 10A × 120V / 1000 = 12kVA

### Online amps to kVA calculation formula in 3 phase (Calculation with line to line voltage)

**S(kVA) = √3 × I(in Amps) × VL-L(in Volts) / 1000**

**kilovolt-amps = 1.732 × amps(A) × volts(V) / 1000**

**or**

**kVA = 1.732 × A x V / 1000**

**Let's take one example**

**Example#2**

Calculate the apparent power(S) in kVA where the phase current(I) is 10A and the line to line RMS(root mean square) voltage(V) supply is 120V in the circuit.

Apply formula for the solution:

S = 1.732 × 10A × 120V / 1000 = 2.07kVA

### Online amps to kVA calculation formula in 3 phase (Calculation with line to neutral voltage)

**S(kVA) = 3 × I(in Amps) × VL-N(in Volts) / 1000**

**kilovolt-amps = 3 × amps(A) × volts(V) / 1000**

**or**

**kVA = 3 × A x V / 1000**

**Let's take one example**

**Example#3**

Find out the apparent power(S) in kVA where the phase current(I) is 10A and the line to neutral RMS(Root Mean Square) voltage(V) supply is 110V in the circuit.

Apply formula for the solution:

S = 3 × 10A × 110V / 1000 = 3.3kVA

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