# Ohm's law (voltage)

`U = R * I`

Ohm's law calculator (electrical voltage).

Ohm's law calculator (electrical voltage).

**Enter 'x' in the field to be calculated.**This tool is a calculator of Ohm's law in its 'voltage' version.

`U = R * I`

U: electric voltage in volt

R: resistance in ohm

I: electric current intensity in ampere

## See also

Ohm's law (power)

Convert voltage units

Convert electrical resistance units

Convert current units

Electricity calculators

Physics Calculators