Electrical Formulas Used For Power Consumption Calculations

As part of our goal to help clients Power On, Worldwide Power Products provides useful resources to simplify accurate power-requirements calculation. The following electrical formulas provide information on important conversions. For more power calculators, click here.

TO DETERMINE:SINGLE-PHASETHREE-PHASEDIRECT CURRENT
KVAI x E
1000
I x E x 1.73
1000
——–
KilowattsI x E x PF
1000
I x E x 1.73 x PF
1000
I x E
1000
HorsepowerI x E x %EFF x PF
746
I x E x 1.732 x %EFF x PF
746
I x E x %EFF
746
Amperes (when HP is known)HP x 746
E x %EFF x PF
HP x 746
1.73 x E x %EFF x PF
HP x 746
E x %EFF
Amperes (when kW is known)KW x 1000
E x PF
KW x 1000
1.73 x E x PF
KW x 1000
E
Amperes (when KVA is known)KVA x 1000
E
KVA x 1000
1.73 x E
——–