What does millijoule per second measure?

Millijoule per second measures power as the rate of energy transfer equal to one thousandth of a joule per second, often used for low-power systems.

Why convert mJ/s to erg/s?

Converting mJ/s to erg/s helps translate power values from the SI system to the CGS system, which is common in astrophysics and some scientific literature.

Is erg/second commonly used in modern engineering?

No, erg per second is less common in contemporary engineering fields, where SI units are generally preferred.

How to Convert from Millijoule/second [mJ/s] to Erg/second [erg/s]?

Learn how to convert power measurements from millijoule per second (mJ/s) to erg per second (erg/s) with an easy-to-follow guide and useful examples.

Millijoule/second [mJ/s]

Erg/second [erg/s]

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

Millijoule/second [mJ/s] to Erg/second [erg/s] Conversion Table

Millijoule/second [mJ/s]	Erg/second [erg/s]

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

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Interval

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

Millijoule/second [mJ/s] to Erg/second [erg/s] Conversion Table
Millijoule/second [mJ/s]	Erg/second [erg/s]

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What Is This Tool?

This conversion tool allows you to translate power values from millijoule per second (mJ/s), an SI-based unit for low-power measurement, to erg per second (erg/s), a CGS-based unit commonly used in astrophysics and older scientific literature.

How to Use This Tool?

Enter the power value in millijoule per second (mJ/s) format.
Select millijoule/second as the input unit and erg/second as the output unit.
Click the convert button to see the equivalent power in erg/second.
Review the result to understand power values in the CGS unit system.

Key Features

Converts power units between millijoule/second and erg/second accurately.
Supports understanding of power in both SI and CGS measurement systems.
Provides clear examples for practical conversion scenarios.
Browser-based and easy to use with no installation required.
Ideal for specialists in astrophysics, optics, and microscale thermal experiments.

Examples

Convert 2 mJ/s to erg/s: 2 × 10000 = 20000 erg/s.
Convert 0.5 mJ/s to erg/s: 0.5 × 10000 = 5000 erg/s.

Common Use Cases

Specifying power consumption in low-power electronic devices such as sensors and microcontrollers.
Measuring optical output from low-power LEDs and laboratory lasers.
Calculating heat or energy release rates in microscale thermal and biochemical experiments.
Expressing luminosities and radiative power of astronomical bodies in astrophysical research.
Converting historical scientific data reported in CGS units to modern equivalents.

Tips & Best Practices

Use this converter to easily switch between SI and CGS power measurements for clarity.
Be aware that erg/second units produce large numbers when derived from mJ/s due to scale differences.
Apply this tool when working with legacy data or in astrophysical contexts where CGS units predominate.
Confirm the unit relevance based on your field, as erg/s is less common in modern engineering.
Carefully check power ranges, as mJ/s is suited for low-power systems while erg/s may be cumbersome otherwise.

Limitations

Erg/second units are rarely used in modern engineering, limiting their familiarity and applicability.
Millijoule/second is appropriate for low-power contexts; resulting erg/second values can become numerically large and less convenient.
This tool does not define or explain unit formulas beyond the given conversion factor.
It does not cover conversion precision or rounding details.

Frequently Asked Questions

What does millijoule per second measure?: Millijoule per second measures power as the rate of energy transfer equal to one thousandth of a joule per second, often used for low-power systems.
Why convert mJ/s to erg/s?: Converting mJ/s to erg/s helps translate power values from the SI system to the CGS system, which is common in astrophysics and some scientific literature.
Is erg/second commonly used in modern engineering?: No, erg per second is less common in contemporary engineering fields, where SI units are generally preferred.

Key Terminology

Millijoule per second (mJ/s): A power unit measuring one thousandth of a joule transferred per second, suitable for low-power applications.
Erg per second (erg/s): A CGS unit of power representing one erg of energy transferred every second, equal to 1×10⁻⁷ watt.
Conversion rate: The factor used to calculate the equivalent value in erg per second from millijoule per second: 1 mJ/s equals 10000 erg/s.

Quick Knowledge Check

What is the conversion factor from millijoule/second to erg/second?

1 mJ/s = 10000 erg/s

1 mJ/s = 1000 erg/s

1 mJ/s = 100 erg/s

Which field commonly uses erg per second as a power unit?

Astrophysics

General engineering

Wearable device design

What does 0.5 millijoule per second equal in erg per second?

5000 erg/s

500 erg/s

50 erg/s

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