DC power calculator

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

    Resistance (R):
    Current (I):
    Voltage (V):
    Power (P):

    AC power calculator

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

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

    Energy & power calculator

    Enter 2 values to get the other values and press the Calculatebutton:

    Energy:
    J
    Time period
    s
    Average power:
    W