Convert Foot-lambert to Candela per Square Millimeter
Enter the number of foot-lamberts that you want to convert to candelas per square millimeter.
How to Convert Foot-lamberts to Candelas per Square Millimeter
The foot-lambert and candela per square millimeter are both units of luminance. 1 candela per square millimeter equals 291863.50796 foot-lamberts. This means to convert foot-lamberts to candelas per square millimeter, you divide by 291863.50796.
Formula
Step-by-Step Example
Convert 5 fL to candelas per square millimeter:
We need to convert foot-lamberts to candelas per square millimeter
Since 1 cd/mm² = 291863.50796 fL, divide by 291863.50796
5 ÷ 291863.50796 = 1.7131295498e-5
5 fL = 1.7131295498e-5 cd/mm²
Foot-lambert to Candela per Square Millimeter Conversion Table
Quick reference table for common foot-lambert to candela per square millimeter conversions. Click any value for detailed calculation.
| Foot-lamberts (fL) | Candelas per Square Millimeter (cd/mm²) |
|---|---|
| 0.1 fL | 3.4262590996e-7 cd/mm² |
| 0.5 fL | 1.7131295498e-6 cd/mm² |
| 1 fL | 3.4262590996e-6 cd/mm² |
| 2 fL | 6.8525181992e-6 cd/mm² |
| 5 fL | 1.7131295498e-5 cd/mm² |
| 10 fL | 3.4262590996e-5 cd/mm² |
| 25 fL | 8.565647749e-5 cd/mm² |
| 50 fL | 0.000171313 cd/mm² |
| 100 fL | 0.0003426259 cd/mm² |
About These Units
Foot-lambert (fL)
The foot-lambert (fL) equals 1/π candela per square foot ≈ 3.43 nits. The US cinema projection standard: movie theater screen 12-22 fL, IMAX 22 fL minimum, drive-in 4-8 fL. Also used in flight simulator displays and military cockpit specifications.
Candela per Square Millimeter (cd/mm²)
A candela per square millimeter (cd/mm²) equals 1,000,000 nits. Measures extremely intense sources: laser output facets, concentrated LED dies, and arc lamp electrodes. A high-power LED die can exceed 100 cd/mm². Used in optical engineering calculations.
Frequently Asked Questions
How do I convert foot-lamberts to candelas per square millimeter?
To convert foot-lamberts to candelas per square millimeter, divide the value by 291863.50796. For example, 10 fL = 3.4262590996e-5 cd/mm².
How many candelas per square millimeter are in 1 foot-lambert?
1 foot-lambert equals 3.4262590996e-6 candelas per square millimeter.
What is the formula for foot-lamberts to candelas per square millimeter?
The formula is: cd/mm² = fL ÷ 291863.50796.