Lumen per Square Foot to Nox Conversion
Convert between Lumen per Square Foot and Nox quickly and accurately.
How to Convert Lumen per Square Foot to Nox
Conversion Formula
Example
Convert 15 lm/ft² to nox:
Unit Information
Learn about the illumination units you're converting between
Lumen per Square Foot
lm/ft²
Definition
The Lumen per Square Foot is an imperial unit of illuminance equal to approximately 10.76 lux, representing the luminous flux per square foot. It is commonly used in countries employing the imperial system for lighting design and illuminance measurements.
History/Origin
Developed in countries using imperial units as a practical measure of illuminance. It provides a familiar reference for lighting professionals working with imperial measurements and is commonly used in architectural lighting and building design.
Current Use
Widely used in the United States and other imperial-system countries for lighting design, architectural applications, and general illuminance measurements. It provides a practical unit for lighting professionals and is commonly referenced in building codes and lighting standards.
Multiplier
10.764
Offset
0
Nox
nox
Definition
The Nox is a unit of illuminance equal to one-thousandth of a lux, representing very low levels of illumination. It is used for measuring extremely dim light conditions, such as those found in night vision applications, astronomical observations, or specialized scientific measurements.
History/Origin
Developed for measuring very low illumination levels that are below the practical range of the lux. The nox provides a convenient unit for expressing extremely dim light conditions in scientific and technical applications where precision is important.
Current Use
Used in specialized applications requiring measurement of very low light levels, such as night vision technology, astronomical photometry, and scientific research involving extremely dim light sources. It provides a practical scale for quantifying near-threshold illumination conditions.
Multiplier
0.001
Offset
0
Lumen per Square Foot to Nox Conversion Table
| Lumen per Square Foot [lm/ft²] | Nox [nox] |
|---|---|
| 1 lm/ft² | 10763.910417 nox |
| 10 lm/ft² | 107639.104167 nox |
| 25 lm/ft² | 269097.760418 nox |
| 50 lm/ft² | 538195.5208350001 nox |
| 100 lm/ft² | 1076391.0416699999 nox |
| 0 lm/ft² | 0E+0 nox |
| -10 lm/ft² | -107639.104167 nox |
| -40 lm/ft² | -430556.416668 nox |
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