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Ohms to Megohms Converter

Convert ohms to megohms and megohms to ohms instantly. Bidirectional resistance converter with formula and common values.

Ω

Megohms

0.47

MΩ

470000 Ω = 0.47 MΩ

MΩ = Ω × 0.000001

Ohms to Megohms: 1 Ω equals 1.00000e-6 MΩ. To convert ohms to megohms, multiply by 1.00000e-6 (MΩ = Ω × 0.000001). For example, 10 Ω = 1.00000e-5 MΩ.

How to Convert Ohms to Megohms

To convert from ohms to megohms, multiply the value by 1.00000e-6. The conversion is linear, meaning doubling the input doubles the output.

Conversion Formula

  • Ohms to Megohms: MΩ = Ω × 0.000001
  • Megohms to Ohms: Ω = MΩ × 1,000,000

Ohms to Megohms Conversion Chart

Ohms (Ω)Megohms (MΩ)
0.11.00000e-7
0.252.50000e-7
0.55.00000e-7
11.00000e-6
22.00000e-6
33.00000e-6
55.00000e-6
101.00000e-5
202.00000e-5
252.50000e-5
505.00000e-5
1001.00000e-4
2500.00025
10000.001

Understanding the Units

What is an Ohm?

The ohm is the SI derived unit of electrical resistance, equal to one volt per ampere (1 Ω = 1 V/A).

Named after Georg Simon Ohm (1789–1854), German physicist who formulated Ohm's law.

Common contexts: circuit design, electronics.

What is a Megohm?

The ohm is the SI derived unit of electrical resistance, equal to one volt per ampere (1 Ω = 1 V/A).

Named after Georg Simon Ohm (1789–1854), German physicist who formulated Ohm's law.

Common contexts: circuit design, electronics.

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FAQ

How many megohms are in one ohm?

One ohm equals 0.000001 megohms (MΩ). Divide the ohm value by 1,000,000 to get megohms.

Where are megohm resistance values used?

Megohm values appear in insulation resistance testing, high-impedance input circuits, humidity sensors, and electrostatic discharge (ESD) protection components.

What is a megohm meter?

A megohm meter (also called an insulation resistance tester or megger) measures very high resistances, typically in the megohm to gigaohm range, used to verify cable and motor insulation integrity.

How do I convert 3,700,000 Ω to megohms?

Divide by 1,000,000: 3,700,000 Ω ÷ 1,000,000 = 3.7 MΩ.

How many megohms are in 1 ohm?

1 Ω equals 1.00000e-6 MΩ.

How do you convert ohms to megohms?

Multiply the ohm value by 1.00000e-6. Formula: MΩ = Ω × 0.000001.

How many megohms are in 5 ohms?

5 Ω = 5.00000e-6 MΩ.

How do you convert megohms back to ohms?

Use the inverse formula: Ω = MΩ × 1,000,000. For example, 1 MΩ = 1000000 Ω.

What is the difference between Ohm and Megohm?

The ohm is the SI derived unit of electrical resistance, equal to one volt per ampere (1 Ω = 1 V/A). The ohm is the SI derived unit of electrical resistance, equal to one volt per ampere (1 Ω = 1 V/A).