What does femtojoule/second measure?

Femtojoule per second quantifies extremely small rates of energy transfer or power, often used in nanoelectronics and experimental physics.

Why convert femtojoule/second to milliwatt?

Converting to milliwatt allows tiny power measurements to be expressed in more common engineering units for practical device and system analysis.

Is 1 fJ/s a large amount of power?

No, 1 fJ/s is 10⁻¹⁵ watts and represents an extremely small power level typical of specialized scientific and nanoelectronic contexts.

Convert Femtojoule/second [fJ/s] to Milliwatt [mW] Online

Easily convert power measurements from femtojoule per second to milliwatt with this straightforward online unit converter tool designed for nanoelectronics and engineering applications.

Femtojoule/second [fJ/s]

Milliwatt [mW]

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Femtojoule/second [fJ/s] to Milliwatt [mW] Conversion Table

Femtojoule/second [fJ/s]	Milliwatt [mW]

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.

Femtojoule/second [fJ/s] to Milliwatt [mW] Conversion Table
Femtojoule/second [fJ/s]	Milliwatt [mW]

Explore More Power Units Converter

What Is This Tool?

This converter transforms power values measured in femtojoule per second (fJ/s), a unit used for extremely small energy transfer rates, into milliwatt (mW), which is more common in electrical and optical power measurements.

How to Use This Tool?

Enter the power value in femtojoule per second (fJ/s)
Select the desired output unit as milliwatt (mW)
Click the convert button to see the equivalent milliwatt value

Key Features

Converts ultra-small power units used in nanoelectronics to more conventional units
Browser-based and easy to use with no installation required
Supports quick translation of measurements into engineering-relevant scales

Examples

5 fJ/s converts to 5 × 10⁻¹² mW, or 5e-12 mW
100 fJ/s converts to 1 × 10⁻¹⁰ mW, or 1e-10 mW

Common Use Cases

Estimating energy dissipation in ultra-low-power nanoelectronic circuits
Assessing power levels in single-photon detectors and molecular-scale devices
Reporting minute heat loads in quantum experiments
Translating tiny power measurements for safety and performance evaluation of optical and radio-frequency devices

Tips & Best Practices

Verify the context of your measurement to ensure unit relevance
Be mindful of very small numeric results that may require careful numerical precision
Use this conversion to relate nano-scale power values to conventional engineering units for clearer understanding

Limitations

Converted values may be extremely small and below typical instrument measurement sensitivity
Numerical precision is important due to the large difference in magnitude between units
This tool does not account for measurement uncertainty or accuracy factors

Frequently Asked Questions

What does femtojoule/second measure?: Femtojoule per second quantifies extremely small rates of energy transfer or power, often used in nanoelectronics and experimental physics.
Why convert femtojoule/second to milliwatt?: Converting to milliwatt allows tiny power measurements to be expressed in more common engineering units for practical device and system analysis.
Is 1 fJ/s a large amount of power?: No, 1 fJ/s is 10⁻¹⁵ watts and represents an extremely small power level typical of specialized scientific and nanoelectronic contexts.

Key Terminology

Femtojoule/second (fJ/s): A unit of power equal to 10⁻¹⁵ watt, used to express extremely small energy transfer rates in nanoelectronics and physics.
Milliwatt (mW): One thousandth of a watt (10⁻³ W), commonly used to measure low power levels in electronic, optical, and radio-frequency devices.
Power Measurement: The quantification of the rate at which energy is transferred or converted, typically expressed in watts or related subunits.

Quick Knowledge Check

What is the unit femtojoule/second (fJ/s) primarily used to measure?

Large electrical power outputs

Extremely small rates of energy transfer

Medium-range optical power levels

How many milliwatts equal 1 femtojoule/second?

1e-3 mW

1e-12 mW

1e-9 mW

Which device context commonly uses femtojoule/second units?

Single-photon detectors

Household appliances

Car engines

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