Power consumption calculator: calculates electric power / voltage / current / resistance.

Enter **2 values** to get the other values and press the

Voltage (V) calculation from current (I) and resistance (R):

*V*_{(V)} = *I*_{(A)} × *R*_{(Ω)}

Complex power (S) calculation from voltage (V) and current (I):

*P*_{(W)} = *V*_{(V)} × *I*_{(A)} = *V*^{ 2}_{(V)} / *R*_{(Ω)} = *I*
^{2}_{(A)} × *R*_{(Ω)}

Enter **2 magnitudes + 2 phase angles** to get the other values and press the *Calculate* button:

The voltage V in volts (V) is eqaul to the current I in amps (A) times the impedance Z in ohms (Ω):

*V*_{(V)} = *I*_{(A)} × *Z*_{(Ω)} = *(|**I**|*×*|**Z*|) ∠
(*θ _{I}* +

The complex power S in volt-amps (VA) is equal to the voltage V in volts (V) times the current I in amps (A):

*S*_{(VA)} = *V*_{(V)} × *I*_{(A)} = *(|**V**|*×*|**I*|) ∠
(*θ _{V}* -

The real power P in watts (W) is equal to the voltage V in volts (V) times current I in amps (A) times the power factor (cos *φ*):

*P*_{(W)} = *V*_{(V)} × *I*_{(A)} × cos* φ*

The reactive power Q in volt-amps reactive (VAR) is equal to the voltage V in volts (V) times the current I in amps (A) time the sine of the complex power phase angle (*φ*):

*Q*_{(VAR)} = *V*_{(V)} × *I*_{(A)} × sin* φ*

The power factor (FP) is equal to the absolute value of the cosine of the complex power phase angle (*φ*):

*PF* = |cos *φ*|

Enter **2 values** to get the other values and press the *Calculate*button:

The average power *P* in watts (W) is equal to the energy consumed *E* in joules (J) divided by time period Δ*t *in seconds (s):

*P*_{(W)} = *E*_{(J)} / Δ*t*_{(s)}

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- Amps to kW
- Amps to kVA
- Amps to VA
- Amps to volts
- Amps to watts
- Electricity bill
- Energy consumption
- Energy cost
- eV to volts
- Joules to watts
- Joules to volts
- kVA to amps
- kVA to watts
- kVA to kW
- kVA to VA
- kW to amps
- kW to volts
- kW to kWh
- kW to VA
- kW to kVA
- kWh to kW
- kWh to watts
- Ohm's Law
- Power calculator
- Power factor
- VA to amps
- VA to watts
- VA to kW
- VA to kVA
- Voltage divider
- Volts to amps
- Volts to watts
- Volts to kW
- Volts to joules
- Volts to eV
- Watts-volts-amps-ohms
- Watts to amps
- Watts to joules
- Watts to kWh
- Watts to volts
- Watts to VA
- Watts to kVA