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How to Convert from Nox to Lumen/square meter [lm/m^2]
Convert very low illuminance values from nox, a specialized unit, to the standard SI unit lumen per square meter (lm/m^2) using this simple and quick online unit converter tool.
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Nox to Lumen/square meter [lm/m^2] Conversion Table
| Nox | Lumen/square meter [lm/m^2] |
|---|
Custom Unit Conversion Table Generator – Instant Printable Conversion Tables
Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.
Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.
Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.
| Nox | Lumen/square meter [lm/m^2] |
|---|
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What Is This Tool?
This tool converts illumination measurements from nox, a historical unit used to describe very low light levels, into lumen per square meter (lm/m^2), the SI derived unit equivalent to lux. It aids in expressing minimal lighting conditions for applications like environmental science, astronomy, and optical sensor testing.
How to Use This Tool?
- Enter the value in nox that you want to convert
- Select nox as the input unit and lumen/square meter [lm/m^2] as the output unit
- Click the convert button to get the equivalent illuminance in lumen per square meter
- Use the result to compare or apply in relevant lighting or scientific contexts
Key Features
- Converts from nox to lumen/square meter (lm/m^2) accurately
- Handles very low illuminance values typical in night-time and near-dark conditions
- Supports applications in lighting design, environmental measurements, and optical calibration
- Browser-based and easy to use with no installation required
Examples
- Converting 5 nox results in 0.005 lumen/square meter
- Converting 100 nox results in 0.1 lumen/square meter
Common Use Cases
- Measuring natural night illumination like moonlight or starlight in astronomy
- Planning exterior lighting to comply with dark-sky conservation guidelines
- Testing and calibrating sensitive optical and imaging equipment under low-light conditions
- Verifying minimal stray or background lighting in environmental monitoring
Tips & Best Practices
- Use the tool primarily for very low illuminance measurements as nox is specialized for that range
- Apply conversions in scientific, environmental, or lighting design fields requiring low-light quantification
- Ensure appropriate instrumentation when measuring such faint light levels due to sensitivity requirements
- Refer to lumen/square meter values for standard compliance and reporting in lighting applications
Limitations
- Nox is a rare and specialized unit mainly used in specific scientific or low-light contexts
- Not suitable for general lighting measurements where lumen per square meter or lux are standard
- Accurate low-level measurement demands sensitive equipment and controlled settings
Frequently Asked Questions
- What is a nox in illumination measurement?
- A nox is a historical and specialized unit of illuminance representing very low light levels, equal to one millilux (0.001 lux).
- Why convert nox to lumen per square meter?
- Converting nox to lumen per square meter (lm/m^2) standardizes very low illuminance values into an SI-based unit, facilitating comparison and application in lighting design and scientific contexts.
- Can I use this converter for general lighting measurements?
- No, nox is intended for very low light levels and is uncommon for everyday lighting. Use lumen or lux units for typical lighting conditions.
Key Terminology
- Nox
- A specialized and historical illuminance unit equal to 1 millilux, used for very low lighting conditions such as night-time environmental light.
- Lumen per square meter (lm/m^2)
- The SI derived unit of illuminance equivalent to lux, representing the luminous flux per unit area weighted by human photopic vision.