Power Calculator & DC, AC Power Calculation Formula

Power calculator & Power Calculation Formula:

Enter any 2 values to find remaining.

Resistance: R =
Current: I =
Voltage: V =
Power: P =
       

Our power calculator calculates power in watts, current in Amps, the voltage in volts, and resistance in Ohms. Also, here you can calculate DC Power, AC Power and Energy & power calculator.

Just enter the two values of any parameter, to get remaining two. i.e if you enter current and power means, you get resistance and voltage.

DC Power formula:

Let us consider

I(A) = current in Amps

V(V) = Voltage in Volts

P(W) = Real power in Watts

R(Ω) = Resistance in Ohms

We have used for the below formula to find DC voltage, DC current, DC Power and Resistance,

Learn More:   Earthing Conductor size Calculation Formula & calculator

V(V) = I(A) × R(Ω)

P(W) = V(V) × I(A) = V 2(V) / R(Ω) = I 2(A) × R(Ω)

AC Complex Power formula:

Enter any two values of current or Impedance or voltage and Complex power, press calculate button.

Impedance: Z = °  = 
Current: I = °    
Voltage: V = °    
Power: S = °  = 
           

AC single-phase voltage formula

V(V) = I(A) × Z(Ω) = (|I|×|Z|) ∠ (θI + θZ)

AC single phase Complex formula,

S(VA) = V(V) × I(A) = (|V|×|I|) ∠ (θV – θI)

AC single phase reactive power formula,

Q(VAR) = V(V) × I(A) × sin φ

Power factor formula,

PF = |cos φ|

 

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