Ohm (symbol Ω) is the electrical unit of resistance.
The Ohm unit was named after George Simon Ohm.
1Ω = 1V / 1A = 1J · 1s / 1C2
Table of resistance values of Ohm
name symbol conversion example milli-ohm mΩ 1mΩ = 10-3Ω R0 = 10mΩ ohm Ω
R1 = 10Ω kilo-ohm kΩ 1kΩ = 103Ω R2 = 2kΩ mega-ohm MΩ 1MΩ = 106Ω R3 = 5MΩ
Ohmmeter is a measurement device that measures resistance.