Single Phase and 3 Phase KVA Calculator
Select Single or 3 Phase Calculations Single Phase 3 Phase
Solve for VoltageVoltage
Solve for AmpsAmps Use
Solve for KVAKVA KVA
Solve for HPHorse Power HP
Motor Efficiency 100% 90% 75% 64% 50%
Special %Efficiency
Selected Efficiency:
First: Select Single Phase or 3 Phase Calculations.

To Find KVA / HP:
Fill in Voltage and Amps, then Check the Solve for KVA or HP box.

To Find Amps:
Fill in Voltage, and KVA or HP, then Check the Solve for Amps box.
To Find Voltage:
Fill in Amps, and KVA or HP, then Check the Solve for Voltage box.
If you know HP, Select Use HP. If you know KVA, Select Use KVA.

Make sure you Click the Radio Button for the Missing value you want to Find.
Then Click on the Calculate Results Button.

NOTE: For Horse Power Calculations to be Accurate
Be Sure to Select the closest Motor Efficiency
By Default it is set at 64%

Display HP Efficiency Chart