The ohm (Ω) is the SI unit of electrical resistance, describing how strongly a material opposes current flow.
Ohms to Megaohms
Convert Ohm (Ω) to Megaohm (MΩ) instantly with an exact formula, conversion table, and FAQ.
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Convert ohms (Ω) to megaohms (MΩ) instantly with formula, conversion table, and FAQ.
Context values
Some unit families need one extra value for a physically accurate result.
A Megaohm (MΩ) equals 1e+6 ohm(s), a scaled unit of electrical resistance used for mega-scale electrical work.
MΩ = Ω × 0.000001
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Formula
MΩ = Ω × 0.000001
Ω = MΩ × 1.000000e+06
Conversion table
| 1 Ω | 0.000001 MΩ |
| 5 Ω | 0.000005 MΩ |
| 10 Ω | 0.00001 MΩ |
| 20 Ω | 0.00002 MΩ |
| 50 Ω | 0.00005 MΩ |
| 100 Ω | 0.0001 MΩ |
| 500 Ω | 0.0005 MΩ |
| 1000 Ω | 0.001 MΩ |
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How the formula works
Both ohm and megaohm measure the same physical quantity, so converting between them is a single multiplication. Multiply a value in ohms by 0.000001 to get megaohms. To reverse the conversion, multiply a megaohm value by 1.000000e+06 to get back to ohms.
Frequently asked questions
What is Ohm (Ω)?
The ohm (Ω) is the SI unit of electrical resistance, describing how strongly a material opposes current flow.
What is Megaohm (MΩ)?
A Megaohm (MΩ) equals 1e+6 ohm(s), a scaled unit of electrical resistance used for mega-scale electrical work.
How do I convert ohms to megaohms?
Multiply the ohm value by 0.000001 to get the equivalent in megaohms. For example, 5 Ω × 0.000001 = 0.000005 MΩ.
Is this conversion exact?
Yes. Both units use fixed, defined scale factors, so the factor 0.000001 is an exact, non-rounded value.
Can I convert megaohms back to ohms?
Yes. Divide the megaohm value by 0.000001, or multiply it by 1.000000e+06, to get ohms.
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About converting ohms to megaohms
The ohm (Ω) is the SI unit of electrical resistance, describing how strongly a material opposes current flow. A Megaohm (MΩ) equals 1e+6 ohm(s), a scaled unit of electrical resistance used for mega-scale electrical work.
Use this calculator to move between ohms and megaohms accurately for homework, engineering, billing, or everyday electricity calculations. The Universal Converter uses exact unit factors, so results stay consistent across the site.