Skip to content

Voltage Calculator

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

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

About the Voltage Calculator

Calculate electrical voltage from current 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.

Common searches