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How to Convert from Nox to Lumen/square Centimeter
Learn how to convert illumination measurements from the nox unit, used for very low light levels, to lumen per square centimeter, a precise photometric unit measuring brightness per area.
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Nox to Lumen/square centimeter Conversion Table
| Nox | Lumen/square centimeter |
|---|
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 centimeter |
|---|
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What Is This Tool?
This converter changes illumination values from nox, a unit for extremely low light levels, into lumen per square centimeter, which quantifies luminous flux on small surface areas.
How to Use This Tool?
- Input the illumination value in nox corresponding to the low light level.
- Select 'nox' as the original unit and 'lumen/square centimeter' as the target unit.
- Activate the conversion to receive the brightness expressed in lumen/cm².
- Interpret the result for applications involving illumination measurement or design.
- Repeat as needed for different values or in varied measurement contexts.
Key Features
- Converts nox values, representing very low illuminance, into lumen/cm².
- Provides a direct calculation using the precise conversion formula.
- Supports photometric analysis relevant to astronomy, environmental science, and sensor calibration.
- Browser-based tool accessible for various scientific and engineering applications.
- Helps translate faint light measurements into a brightness quantity per unit area.
Examples
- 5 nox equals 5 × 1e-7 lumen/cm² which is 5e-7 lumen/cm².
- 10 nox equals 10 × 1e-7 lumen/cm² which equals 1e-6 lumen/cm².
Common Use Cases
- Describing natural night illumination such as moonlight and starlight in astronomy.
- Planning outdoor lighting with low stray light for dark-sky preservation.
- Characterizing low-light test conditions for sensitive optical or imaging sensors.
- Specifying output intensity of high-power LEDs or LED dies per surface area.
- Measuring brightness on microscope slides or small sensor areas in labs.
Tips & Best Practices
- Ensure input values are in nox to maintain conversion accuracy.
- Use sensitive instruments to measure extremely low light levels before conversion.
- Handle small numerical results carefully in calculations and designs.
- Apply the tool within appropriate scientific or technical contexts such as photometry or astronomy.
- Verify results when working with faint illumination to support reliable analysis.
Limitations
- Nox measures very low illuminance, which limits its use for common brightness assessment.
- Lumen per square centimeter corresponds to very high illuminance, so output values are extremely small.
- Precise measurement instruments are necessary due to the low magnitude of converted numbers.
- Not suitable for standard lighting evaluations requiring moderate or high illuminance ranges.
Frequently Asked Questions
- What is a nox in illumination measurement?
- A nox is a specialized unit quantifying very low illuminance levels, equal to 0.001 lux, used in low-light and night-time conditions.
- Why convert nox to lumen per square centimeter?
- Converting to lumen/cm² provides a precise measurement of brightness per unit area, useful for detailed photometric analysis and specialized lighting design.
- Where is this conversion commonly applied?
- It is used in fields such as astronomy, environmental science, sensor calibration, LED technology, microscopy, and display brightness evaluation.
Key Terminology
- Nox
- A unit representing extremely low illuminance, equal to one millilux (0.001 lux), used in low light and night-time measurement contexts.
- Lumen/square Centimeter
- A photometric unit quantifying luminous flux per square centimeter, indicating brightness perceived on a surface and related to photopic vision.