Power & Generator Conversion Calculators
Quickly convert between Watts, kW, kVA, Amps, HP, BTU, CC, and fuel volumes for generator sizing.
Watts to kVA Calculator
Convert Real Power in Watts to Apparent Power in kVA.
kVA to Watts Calculator
Convert Apparent Power in kVA to Real Power in Watts and kW.
kW to Amps Calculator
Convert Kilowatts to Amperes for 1-phase and 3-phase circuits.
Amps to kW Calculator
Calculate real power in kW from current draw and voltage.
BTU to Tons Calculator
Convert BTU/hr cooling capacity to HVAC refrigeration tons.
CC to HP Calculator
Estimate small engine horsepower output from displacement in CC.
Power Factor Calculator
Calculate AC power factor and reactive magnetizing kVAR.
Solar Generator Calculator
Size solar panels and battery storage (Wh / Ah) for off-grid power.
Transformer Sizing Calculator
Calculate single and 3-phase transformer kVA ratings.