Convert Candela per Square Foot to Candela per Square Inch
Enter the number of candelas per square foot that you want to convert to candelas per square inch.
How to Convert Candelas per Square Foot to Candelas per Square Inch
The candela per square foot and candela per square inch are both units of luminance. 1 candela per square inch equals 144 candelas per square foot. This means to convert candelas per square foot to candelas per square inch, you divide by 144.
Formula
Step-by-Step Example
Convert 5 cd/ft² to candelas per square inch:
We need to convert candelas per square foot to candelas per square inch
Since 1 cd/in² = 144 cd/ft², divide by 144
5 ÷ 144 = 0.0347222222
5 cd/ft² = 0.0347222222 cd/in²
Candela per Square Foot to Candela per Square Inch Conversion Table
Quick reference table for common candela per square foot to candela per square inch conversions. Click any value for detailed calculation.
| Candelas per Square Foot (cd/ft²) | Candelas per Square Inch (cd/in²) |
|---|---|
| 0.1 cd/ft² | 0.0006944444 cd/in² |
| 0.5 cd/ft² | 0.0034722222 cd/in² |
| 1 cd/ft² | 0.0069444444 cd/in² |
| 2 cd/ft² | 0.0138888889 cd/in² |
| 5 cd/ft² | 0.0347222222 cd/in² |
| 10 cd/ft² | 0.0694444444 cd/in² |
| 25 cd/ft² | 0.1736111111 cd/in² |
| 50 cd/ft² | 0.3472222222 cd/in² |
| 100 cd/ft² | 0.6944444445 cd/in² |
About These Units
Candela per Square Foot (cd/ft²)
Candelas per square foot (cd/ft²) is the imperial luminance unit equal to 10.76 nits. Used occasionally in US architectural lighting. One cd/ft² ≈ 3.14 foot-lamberts. Not commonly used; foot-lamberts preferred in US practice.
Candela per Square Inch (cd/in²)
Candelas per square inch (cd/in²) equals 1,550 nits. Used for specifying small, bright light sources in imperial units. One cd/in² ≈ 452 foot-lamberts. Rarely used; metric units preferred for technical specifications.
Frequently Asked Questions
How do I convert candelas per square foot to candelas per square inch?
To convert candelas per square foot to candelas per square inch, divide the value by 144. For example, 10 cd/ft² = 0.0694444444 cd/in².
How many candelas per square inch are in 1 candela per square foot?
1 candela per square foot equals 0.0069444444 candelas per square inch.
What is the formula for candelas per square foot to candelas per square inch?
The formula is: cd/in² = cd/ft² ÷ 144.