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⚡ Ohm's Law Calculator
Voltage
Current
Resistance
Power
Voltage Calculator
V = I × R
Current (Amperes)
Resistance (Ohms)
Calculate Voltage
20.0
Volts
Calculation Details
Current Calculator
I = V ÷ R
Voltage (Volts)
Resistance (Ohms)
Calculate Current
2.0
Amperes
Calculation Details
Resistance Calculator
R = V ÷ I
Voltage (Volts)
Current (Amperes)
Calculate Resistance
48.0
Ohms
Calculation Details
Power Calculator
P = V × I = V² ÷ R = I² × R
Voltage (Volts)
Current (Amperes)
Resistance (Ohms)
Calculate Power
24.0
Watts
Power Analysis