A megohm is an electrical resistance unit equal to one million ohms, used for measuring high resistance such as insulation or high-value resistors.

When is the abohm used?

The abohm is used mainly in the electromagnetic subsystem of the CGS system, often for interpreting historical electromagnetic resistance measurements at the nanohm scale.

Why convert from megohms to abohms?

Conversion is useful to translate very high resistance measurements into extremely small resistance units in electromagnetic CGS systems for research, historical data comparison, or specific calculations.

How to Convert from Megohm to Abohm?

Convert values between megohms and abohms with this easy-to-use online electric resistance unit converter. Understand the relevance of these units and how to perform conversions accurately.

Megohm

Abohm

Please check your input. It must be a valid numeric value.

Megohm to Abohm Conversion Table

Megohm	Abohm

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Megohm to Abohm Conversion Table
Megohm	Abohm

Explore More Electric Resistance Units Converter

What Is This Tool?

This tool allows users to convert electric resistance values from megohms to abohms. It is designed to facilitate translation of high resistance measurements into very small resistance units used in electromagnetic CGS systems, supporting applications in electrical engineering, research, and legacy data interpretation.

How to Use This Tool?

Enter the resistance value in megohms you wish to convert
Select 'megohm' as the input unit and 'abohm' as the output unit
Click the convert button to obtain the equivalent value in abohms
Review the result which reflects the large numerical conversion factor

Key Features

Converts electric resistance from megohms to abohms instantly
Uses the defined conversion rate of 1 Megohm to 10¹⁵ Abohm
Ideal for insulation testing and electromagnetism research contexts
Browser-based and easy to use without requiring installation

Examples

2 Megohm converts to 2 × 10¹⁵ Abohm = 2000000000000000 Abohm
0.5 Megohm converts to 0.5 × 10¹⁵ Abohm = 500000000000000 Abohm

Common Use Cases

Testing insulation resistance in cables, motors, and transformers using megohms
Analyzing and comparing historical electromagnetic measurements reported in abohms
Specifying leakage or dielectric resistance in materials and capacitors
Converting emu subsystem CGS resistance data to SI units for reporting

Tips & Best Practices

Be mindful of the very large numerical factor when converting between these units
Use scientific notation or a calculator to handle large values accurately
Understand that abohms are primarily relevant for theoretical and historical contexts
Double-check conversions involving extremely high or low resistance values

Limitations

Extremely large conversion factors can pose calculation precision challenges
Abohm is seldom used in modern practical electrical engineering applications
The tool does not account for measurement uncertainty or calibration factors

Frequently Asked Questions

What is a megohm?: A megohm is an electrical resistance unit equal to one million ohms, used for measuring high resistance such as insulation or high-value resistors.
When is the abohm used?: The abohm is used mainly in the electromagnetic subsystem of the CGS system, often for interpreting historical electromagnetic resistance measurements at the nanohm scale.
Why convert from megohms to abohms?: Conversion is useful to translate very high resistance measurements into extremely small resistance units in electromagnetic CGS systems for research, historical data comparison, or specific calculations.

Key Terminology

Megohm: An electrical resistance unit equivalent to one million ohms, commonly used to measure high resistance.
Abohm: An electrical resistance unit in the CGS electromagnetic subsystem equal to one nanohm in SI units.
CGS system: A centimetre-gram-second unit system used historically in electromagnetism and physics.

Quick Knowledge Check

What does one megohm equal in ohms?

1,000 ohms

1,000,000 ohms

10 ohms

The abohm is a unit used mainly in which system?

SI system

CGS electromagnetic subsystem

Imperial system

Why might someone convert megohms to abohms?

To handle extremely small resistance values in electromagnetic research

To measure current instead of resistance

To simplify everyday electrical measurements

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