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Current Calculator

Calculate electrical current from voltage and resistance using Ohm's law.

V
Ω
Solved current
2 A
Ohm's law: V = I × R
Voltage12 V
Current2 A
Resistance6 Ω
Power24 W

About the Current Calculator

Calculate electrical current from voltage and resistance using Ohm's law.

It runs entirely in your browser — nothing you type is sent to a server — and the result updates as you edit the inputs. Estimates are for educational and informational purposes only; see ourdisclaimer.

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Ohm's Law CalculatorSolve voltage, current, resistance, or power from two known electrical values.Voltage CalculatorCalculate electrical voltage from current and resistance using Ohm's law.Resistance CalculatorCalculate electrical resistance from voltage and current using Ohm's law.

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