Ohms to Megohms Converter
Enter the electrical resistance in ohms below to convert it to megohms.
Convert Ohms to Megohms
Enter a value in ohms (Ω) to convert to megohms (MΩ).
Ohm to Megohm Conversion Table
Table showing various ohm measurements converted to megohms. Click any preset value or arrow to load it into the converter.
| Ohms (Ω) | Megohms (MΩ) |
|---|---|
| 1 Ω | 0.000001 MΩ |
| 10 Ω | 0.00001 MΩ |
| 100 Ω | 0.0001 MΩ |
| 1,000 Ω | 0.001 MΩ |
| 10,000 Ω | 0.01 MΩ |
| 100,000 Ω | 0.1 MΩ |
| 1,000,000 Ω | 1 MΩ |
| 5,000,000 Ω | 5 MΩ |
| 10,000,000 Ω | 10 MΩ |
| 25,400,000 Ω | 25.4 MΩ |
How to Convert Ohms to Megohms
To convert ohms to megohms, multiply the electrical resistance by the following conversion ratio: 0.000001 megohms/ohm.
Since one ohm is equal to 0.000001 megohms, you can use this simple formula to convert:
The electrical resistance in megohms is equal to the electrical resistance in ohms multiplied by 0.000001.
For example, here's how to convert 1000000 ohms to megohms using the formula above.
How Many Megohms Are in an Ohm?
There are 0.000001 megohms in an ohm, which is why we use this value in the formula above.
Our ohm to megohm calculator automatically converts your electrical resistance measurements with full decimal and scientific precision across US customary, imperial, and SI metric standards.
Ohms and megohms are both units used to measure electrical resistance. Keep reading to learn more about each unit.
What Is an Ohm?
SI unit of electrical resistance (1 V/A). It serves as a primary reference unit for measuring electrical resistance across scientific and practical applications. [1]
The ohm is classified as an International System of Units (SI) unit of electrical resistance. Ohms can be abbreviated as Ω; for example, 1 ohm can be written as 1 Ω.
As the primary coherent reference unit for electrical resistance in this category, all other electrical resistance units are mathematically anchored to the ohm (Ω).
In practice, ohms (Ω) are widely used across standard electrical resistance applications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
What Is a Megohm?
A megohm is a unit of electrical resistance equal to 1,000,000 ohms (Ω), the base unit for electrical resistance. Equal to 1,000,000 Ohms (1,000 kΩ). [2]
The megohm is classified as an International System of Units (SI) unit of electrical resistance. Megohms can be abbreviated as MΩ; for example, 1 megohm can be written as 1 MΩ.
When working with megohms (MΩ) in formulas or technical specifications, always verify whether your target system uses SI metric, US customary, or British imperial standards.
In practice, megohms (MΩ) are widely used across large-scale industrial, bulk, and macro-level electrical resistance specifications within International System of Units (SI) workflows, engineering documentation, and technical data sheets.
When converting electrical resistance between ohms (Ω) and megohms (MΩ), keep full floating-point precision (1 Ω = 0.000001 MΩ; 1 MΩ = 1,000,000 Ω) during intermediate calculations and round only the final megohm figure to match your instrument tolerance.
More Ohm & Megohm Conversions
Need to calculate in the opposite direction? Use our megohms to ohms converter (MΩ to Ω) to switch your starting unit immediately. You can also explore related tools such as converting ohms to kiloohms, or converting kiloohms to ohms.
Convert from Ohms
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Frequently Asked Questions
References
- [1]NIST CUU StandardNIST CUU (Derived SI Unit: Ohm (Ω))·Electrical Resistance Metrology Standard — Ohms (Ω) to Megohms (MΩ)
- [2]NIST OWM SpecificationNIST OWM (SI Units — Electric Current)·Unit Specifications: Ohm (Ω) & Megohm (MΩ)
- [3]BIPM ReferenceBIPM (SI Prefixes (mΩ, kΩ, MΩ, GΩ))·Conversion Factors & Mathematical Basis (Ω to MΩ)