Candela per Square Foot to Candela per Square Inch Conversion
Convert between Candela per Square Foot and Candela per Square Inch quickly and accurately.
How to Convert Candela per Square Foot to Candela per Square Inch
Conversion Formula
Example
Convert 15 cd/ft² to cd/in²:
Unit Information
Learn about the luminance units you're converting between
Candela per Square Foot
cd/ft²
Definition
The Candela per Square Foot is an imperial unit of luminance, representing the luminous intensity per unit area using the square foot as the area unit. It is commonly used in countries that employ imperial measurement systems for lighting applications.
History/Origin
Developed as part of the imperial system of measurements, this unit provides a practical way to measure surface brightness in contexts where square feet are the standard area unit. It bridges the gap between metric and imperial systems in lighting applications.
Current Use
Used in lighting design and engineering in countries using imperial units, particularly in the United States. Common in architectural lighting, display specifications, and lighting calculations where square footage is the standard area measurement.
Multiplier
10.764
Offset
0
Candela per Square Inch
cd/in²
Definition
The Candela per Square Inch is an imperial unit of luminance, representing the luminous intensity per unit area using the square inch as the area unit. It is used for measuring very bright light sources and small-area displays.
History/Origin
This unit was developed for applications requiring precise measurement of small, bright light sources where square inches provide a more appropriate area reference. It is particularly useful in electronics and display technology where component sizes are measured in inches.
Current Use
Commonly used in electronics manufacturing, small display technology, and precision lighting applications. Essential for measuring LED arrays, small screens, and compact light sources where square inch measurements are standard.
Multiplier
1550.003
Offset
0
Candela per Square Foot to Candela per Square Inch Conversion Table
| Candela per Square Foot [cd/ft²] | Candela per Square Inch [cd/in²] |
|---|---|
| 1 cd/ft² | 0.006944 cd/in² |
| 10 cd/ft² | 0.069444 cd/in² |
| 25 cd/ft² | 0.173611 cd/in² |
| 50 cd/ft² | 0.347222 cd/in² |
| 100 cd/ft² | 0.694444 cd/in² |
| 0 cd/ft² | 0E+0 cd/in² |
| -10 cd/ft² | -0.069444 cd/in² |
| -40 cd/ft² | -0.277778 cd/in² |
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