Convert Megohm to Ohm
Live bidirectional calculator for Megohms (MΩ) and Ohms (Ω) with verified formula and conversion charts.
Electric Resistance5 units
How the Calculation Works (Linear Scaling)
Since 1 Megohm = 1000000 Ohms, multiply the value in Megohms by 1000000.
Megohm to Ohm Conversion Table
Precomputed values for quick reference and printing.
| Megohm | Ohm |
|---|---|
| 1 MΩ | 1000000 Ω |
| 2 MΩ | 2000000 Ω |
| 3 MΩ | 3000000 Ω |
| 4 MΩ | 4000000 Ω |
| 5 MΩ | 5000000 Ω |
| 6 MΩ | 6000000 Ω |
| 7 MΩ | 7000000 Ω |
| 8 MΩ | 8000000 Ω |
| 9 MΩ | 9000000 Ω |
| 10 MΩ | 10000000 Ω |
| 15 MΩ | 15000000 Ω |
| 20 MΩ | 20000000 Ω |
| 25 MΩ | 25000000 Ω |
| 30 MΩ | 30000000 Ω |
| 40 MΩ | 40000000 Ω |
| 50 MΩ | 50000000 Ω |
| 75 MΩ | 75000000 Ω |
| 100 MΩ | 100000000 Ω |
| Ohm | Megohm |
|---|---|
| 1 Ω | 1e-6 MΩ |
| 2 Ω | 2e-6 MΩ |
| 3 Ω | 3e-6 MΩ |
| 4 Ω | 4e-6 MΩ |
| 5 Ω | 5e-6 MΩ |
| 6 Ω | 6e-6 MΩ |
| 7 Ω | 7e-6 MΩ |
| 8 Ω | 8e-6 MΩ |
| 9 Ω | 9e-6 MΩ |
| 10 Ω | 1e-5 MΩ |
| 15 Ω | 1.5e-5 MΩ |
| 20 Ω | 2e-5 MΩ |
| 25 Ω | 2.5e-5 MΩ |
| 30 Ω | 3e-5 MΩ |
| 40 Ω | 4e-5 MΩ |
| 50 Ω | 5e-5 MΩ |
| 75 Ω | 7.5e-5 MΩ |
| 100 Ω | 0.0001 MΩ |
📌 Standard Benchmark Reference Values
Standard oscilloscope input impedance and cable insulation rating.
Exact RatioAbout Megohm (MΩ)
Metric multiple of electrical resistance equal to one million ohms (10⁶ Ω).
History: Standard unit for insulation resistance testing and high-impedance instrumentation.
Common Uses: Oscilloscope probe input impedance (10 MΩ), cable insulation resistance testing, and pH meters.
About Ohm (Ω)
The SI unit of electrical resistance, defined as the electrical resistance between two points of a conductor when a constant potential difference of one volt applied between these points produces in the conductor a current of one ampere (1 Ω = 1 V/A).
History: Named after German physicist Georg Simon Ohm, who published Ohm’s law in 1827.
Common Uses: Standard measure of resistor components, circuit impedance, and wire resistance.
❓ Frequently Asked Questions
How many Ohms are in 1 Megohm?
There are exactly 1000000 Ohms in 1 Megohm (1 MΩ = 1000000 Ω).
What is the formula to convert Megohm to Ohm?
The formula is: Ohm = Megohm × 1000000. Since 1 Megohm = 1000000 Ohms, multiply the value in Megohms by 1000000.
How do I convert 1 MΩ to Ω manually?
To convert 1 MΩ to Ω: apply the formula Ohm = Megohm × 1000000. Substituting gives: 1 × 1000000 = 1000000 Ω.