Ohm
The ohm (commonly denoted by the Greek letter Ω) is the unit of electrical resistance (R). The unit is named after the German physicist and mathematician Georg Simon Ohm (1789 - 1854).
1 ohm (Ω) = 1 volt (V) / 1 ampere (A)
Related units
Last modified:09 January 2026 4.30 p.m.
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