Candela per Square Meter to Apostilb Conversion
Convert between Candela per Square Meter and Apostilb quickly and accurately.
How to Convert Candela per Square Meter to Apostilb
Conversion Formula
Example
Convert 15 cd/m² to asb:
Unit Information
Learn about the luminance units you're converting between
Candela per Square Meter
cd/m²
Definition
The Candela per Square Meter is the SI derived unit of luminance, representing the luminous intensity per unit area of light traveling in a given direction. It quantifies how much light is emitted or reflected from a surface area.
History/Origin
Derived from the SI base units of luminous intensity (candela) and area (square meter), this unit was established as part of the modern metric system. It provides a standardized way to measure surface brightness and is fundamental to photometry and lighting design.
Current Use
Widely used in lighting engineering, display technology, and photometry for measuring screen brightness, surface illumination, and light output. Essential for designing lighting systems, evaluating display performance, and ensuring proper illumination levels in various applications.
Multiplier
1
Offset
0
Apostilb
asb
Definition
The Apostilb is a non-SI unit of luminance equal to 0.3183098862 candela per square meter. It is used in some specialized applications and provides an alternative way to express low luminance values in certain technical contexts.
History/Origin
This unit was developed as part of early photometric systems and is still used in some specialized applications. It provides a convenient way to express low luminance values and is occasionally found in technical specifications and measurement systems.
Current Use
Used in specialized photometric applications and certain technical contexts where traditional units are preferred. Occasionally found in older technical specifications and specialized measurement systems where non-SI units are still used.
Multiplier
0.318
Offset
0
Candela per Square Meter to Apostilb Conversion Table
| Candela per Square Meter [cd/m²] | Apostilb [asb] |
|---|---|
| 1 cd/m² | 3.141593 asb |
| 10 cd/m² | 31.415927 asb |
| 25 cd/m² | 78.539816 asb |
| 50 cd/m² | 157.079633 asb |
| 100 cd/m² | 314.159265 asb |
| 0 cd/m² | 0E+0 asb |
| -10 cd/m² | -31.415927 asb |
| -40 cd/m² | -125.663706 asb |
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