Amps to KVA Calculator
Single Phase
Three Phase
Calculation Results (Single Phase)
Enter values and click calculate
Calculation Results (Three Phase)
Enter values and click calculate
Calculation Steps
Enter values and click calculate to see steps
How This Calculator Works
This calculator converts current (Amps) to apparent power (KVA) for both single-phase and three-phase electrical systems, taking power factor into account.
Key Concepts:
- Current (Amps): The flow of electric charge through a conductor
- Apparent Power (KVA): The vector sum of real power (KW) and reactive power (KVAR)
- Voltage (V): The electrical potential difference
- Power Factor: Ratio of real power to apparent power (0 to 1)
Formulas Used:
Single Phase:
S = (I × V) ÷ 1000
Where:
S = Apparent Power in KVA
I = Current in Amps
V = Voltage in Volts
(Note: Power factor is not needed for basic KVA calculation)
S = (I × V) ÷ 1000
Where:
S = Apparent Power in KVA
I = Current in Amps
V = Voltage in Volts
(Note: Power factor is not needed for basic KVA calculation)
Three Phase:
S = (I × V × √3) ÷ 1000
Where √3 ≈ 1.732
S = (I × V × √3) ÷ 1000
Where √3 ≈ 1.732
Example Calculation
Single Phase Example:
20 Amps at 230V:
S = (20 × 230) ÷ 1000 = 4.6 KVA
S = (20 × 230) ÷ 1000 = 4.6 KVA
Three Phase Example:
30 Amps at 400V:
S = (30 × 400 × 1.732) ÷ 1000 = 20.78 KVA
S = (30 × 400 × 1.732) ÷ 1000 = 20.78 KVA