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Welcome to the Complementary Formula Calculator

The Formulas for the Calculator's are displayed in the table below!




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E = Voltage / I = Amps / P = Watts / R = Ohms / PF = Power Factor / Eff = Efficiency / HP = Horsepower / kVA = Apparent Power









Formula Tables

To Find Direct Current AC/ 1 Phase (115/120) AC/ 1 Phase (All Other Voltages) AC/ 3 Phase
Amps When HP is Known
HP x 746
E x Eff
x 746
x

HP x 746
E x Eff x PF
x 746
x x

HP x 746
E x Eff x PF
x 746
x x

HP x 746
1.73 x E x Eff x PF
x 746
1.73 x x x

Amps When Kwatts is Known
kW x 1000
E
x 1000


kW x 1000
E x PF
x 1000
x

kW x 1000
E x PF
x 1000
x

kW x 1000
1.73 x E x PF
x 1000
1.73 x x

Amps When kVA is Known
kVA x 1000
E
x 1000


kVA x 1000
E
x 1000


kVA x 1000
1.73 x E
x 1000
1.73 x

Kilowatts
I x E
1000
x
1000

I x E x PF
1000
x x
1000

I x E x PF
1000
x x
1000

I x E x 1.73 x PF
1000
x x 1.73 x
1000

Kilovolt-Amps
I x E
1000
x
1000

I x E
1000
x
1000

I x E x 1.73
1000
x x 1.73
1000

Horsepower (Output)
I x E x Eff
746
x x
746

I x E x Eff x PF
746
x x x
746

I x E x Eff x PF
746
x x x
746

I x E x Eff x 1.73 x PF
746
x x x 1.73 x
746

Instructions:

Click a box to input numbers into a formula

You can calculate multiple formulas at once

Click the 'Calculate' button to reveal the answer

Click the 'Reset' button to clear the table

DC Currents are calculated in the first column

AC, 1 Phase Currents of 115v or 120v are calculated in the second column

AC, 1 Phase Currents of any other voltage are calculated in the third column

AC, 3 Phase Currents are calculated in the fourth column


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