KVA, Voltage and Current CalculatorKVA Calculator is an online tool used in electrical engineering to measure the unknown quantity by two known quantities applied to the below formulas for single phase and three phase connection. To calculate KVA, you need to enter the known values of voltage and the current into the respective fields. These two values are applied to the below formulas used in this KVA Calculator to calculate the unknown quantity KVA. For single phase connection, KVA can be mathematically derived from this below formula

