Question: 1g ohm is how many mega ohms?
Answer: The answer is 1000. We assume you are converting between megaohm and gigaohm. You can view more details on each measurement unit: megohm or gigaohm The SI derived unit for electric resistance is the ohm. 1 ohm is equal to 1.0E-6 megohm, or 1.0E-9 gigaohm.