Megohms (MΩ)
The megohm is a million ohms, used for high-value resistors, insulation resistance testing and the input resistance of multimeters (typically 10 MΩ).
Convert megohms to any resistance unit
1 megohm = 1,000,000 ohms
Quick facts
- Unit
- Megohm (plural: megohms)
- Symbol
- MΩ
- Measures
- Electrical Resistance
- System
- SI
- Equals
- 1,000,000 ohms
- Definition
- 1,000,000 Ω.
- Also written
- megaohm
1 megohm in other units
| Ohms | 1,000,000 Ω |
| Kilohms | 1,000 kΩ |
| Milliohms | 1,000,000,000 mΩ |
What is a megohm?
The megohm is a million ohms, used for high-value resistors, insulation resistance testing and the input resistance of multimeters (typically 10 MΩ).
Where the megohm sits among resistance units
The megohm is number 7 of 10 on our scale of resistance units, ordered from smallest to largest.
Top megohm conversions
Common amounts of megohms
- 0.25 MΩ
- 0.5 MΩ
- 0.75 MΩ
- 1 MΩ
- 1.5 MΩ
- 2 MΩ
- 2.5 MΩ
- 3 MΩ
- 4 MΩ
- 5 MΩ
- 6 MΩ
- 7 MΩ
- 8 MΩ
- 9 MΩ
- 10 MΩ
- 11 MΩ
- 12 MΩ
- 13 MΩ
- 14 MΩ
- 15 MΩ
- 16 MΩ
- 17 MΩ
- 18 MΩ
- 19 MΩ
- 20 MΩ
- 21 MΩ
- 22 MΩ
- 23 MΩ
- 24 MΩ
- 25 MΩ
- 26 MΩ
- 27 MΩ
- 28 MΩ
- 29 MΩ
- 30 MΩ
- 31 MΩ
- 32 MΩ
- 33 MΩ
- 34 MΩ
- 35 MΩ
- 36 MΩ
- 37 MΩ
- 38 MΩ
- 39 MΩ
- 40 MΩ
- 41 MΩ
- 42 MΩ
- 43 MΩ
- 44 MΩ
- 45 MΩ
- 46 MΩ
- 47 MΩ
- 48 MΩ
- 49 MΩ
- 50 MΩ
- 60 MΩ
- 70 MΩ
- 80 MΩ
- 90 MΩ
- 100 MΩ
- 150 MΩ
- 200 MΩ
- 250 MΩ
- 300 MΩ
- 400 MΩ
- 500 MΩ
- 750 MΩ
- 1,000 MΩ
Convert megohms to all 9 other units
SI
Other
Convert to megohms
Frequently asked questions
What is a megohm?
The megohm is a million ohms, used for high-value resistors, insulation resistance testing and the input resistance of multimeters (typically 10 MΩ).
How is the megohm defined?
1,000,000 Ω.
How many ohms are in a megohm?
One megohm equals 1,000,000 ohms.
How many kilohms are in a megohm?
One megohm equals 1,000 kilohms.
How many milliohms are in a megohm?
One megohm equals 1,000,000,000 milliohms.