Candela per Square Meter to Blondel Conversion
Convert between Candela per Square Meter and Blondel quickly and accurately.
How to Convert Candela per Square Meter to Blondel
Conversion Formula
Example
Convert 15 cd/m² to blondel:
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
Blondel
blondel
Definition
The Blondel is a non-SI unit of luminance equal to 0.3183098862 candela per square meter, identical to the apostilb. It is named after the French physicist André Blondel and is used in some specialized photometric applications.
History/Origin
Named after the French physicist André Blondel, this unit was developed as part of early photometric systems. It is identical to the apostilb and provides an alternative way to express low luminance values in certain technical and historical contexts.
Current Use
Used in specialized photometric applications and historical contexts where the Blondel unit is preferred. Occasionally found in older technical specifications and certain branches of photometry where traditional units are still used.
Multiplier
0.318
Offset
0
Candela per Square Meter to Blondel Conversion Table
| Candela per Square Meter [cd/m²] | Blondel [blondel] |
|---|---|
| 1 cd/m² | 3.141593 blondel |
| 10 cd/m² | 31.415927 blondel |
| 25 cd/m² | 78.539816 blondel |
| 50 cd/m² | 157.079633 blondel |
| 100 cd/m² | 314.159265 blondel |
| 0 cd/m² | 0E+0 blondel |
| -10 cd/m² | -31.415927 blondel |
| -40 cd/m² | -125.663706 blondel |
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