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Ohm's Law Calculator
Calculate voltage, current, resistance or power using Ohm's Law. Solve for any electrical variable.
⚡ Ohm's Law Calculator
V = I × R | P = V × I | Solve for any variable
Find Voltage
Find Current
Find Resistance
Find Power
Current I (Amperes)
Resistance R (Ohms Ω)
Calculate Voltage
Voltage V (Volts)
Resistance R (Ohms Ω)
Calculate Current
Voltage V (Volts)
Current I (Amperes)
Calculate Resistance
Voltage V (Volts)
Current I (Amperes)
Calculate Power
ohms law
voltage
current
resistance
power
electricity
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