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Ohm's Law: Calculators
Before clicking
for the answer, enter numbers into the equation you wish to use to calculate for Current, Power, Resistance, or Voltage.
Calculators
Current (I)
Power (P)
Resistance (R)
Voltage (E)
Ohm's Law Pie Chart
Calculate for Current (I)
I = P / E
Power
Voltage
Current
Watts
Volts
Amps
I = Square Root of (P / R)
Power
Resistance
Current
Watts
Ohms
Amps
I = E / R
Voltage
Resistance
Current
Volts
Ohms
Amps
Calculate for Power (P)
P = I
^{2}
x R
Current
Resistance
Power
Amps
Ohms
Watts
P = E x I
Voltage
Current
Power
Volts
Amps
Watts
P = E
^{2}
/ R
Voltage
Resistance
Power
Volts
Ohms
Watts
Calculate for Resistance (R)
R = P / I
^{2}
Power
Current
Resistance
Watts
Amps
Ohms
R = E / I
Voltage
Current
Resistance
Volts
Amps
Ohms
R = E
^{2}
/ P
Voltage
Power
Resistance
Volts
Watts
Ohms
Calculate for Voltage (E)
E = I x R
Current
Resistance
Voltage
Amps
Ohms
Volts
E = P / I
Power
Current
Voltage
Watts
Amps
Volts
E = Square Root of (P x R)
Power
Resistance
Voltage
Watts
Ohms
Volts
Ohm's Law Pie Chart
Ohm's Law Calculators
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