lumen/square foot/steradian to foot-lambert
Please provide values below to convert lumen/square foot/steradian to foot-lambert [fL], or change ↔.
lumen/square foot/steradian
Definition: A unit of luminance, describing luminous flux per unit area (square foot) and solid angle (steradian).
Historyandorigin: Similar to other lumen-based units but using square feet as the area measurement, common in non-metric systems.
CurrentUse: Frequently used in the United States for describing the brightness of projectors, displays, or light sources in various lighting applications.
funfact: This unit is often seen in film and television lighting setups, where high-intensity focused light is required.
foot-lambert [fL]
Definition: A unit of luminance in the imperial system, equal to one candela per square foot.
Historyandorigin: The foot-lambert is derived from the lambert but uses square feet as the area measurement instead of square centimeters.
CurrentUse: Commonly used in the United States, especially for older cinema and television technologies.
funfact: The foot-lambert is still used to describe screen brightness in certain vintage or legacy equipment.
lumen/square foot/steradian to foot-lambert [fL] Conversion Table
| 1 lumen/square foot/steradian | 3.1415926536 foot-lambert [fL] |
| 2 lumen/square foot/steradian | 6.2831853072 foot-lambert [fL] |
| 3 lumen/square foot/steradian | 9.4247779608 foot-lambert [fL] |
| 5 lumen/square foot/steradian | 15.707963268 foot-lambert [fL] |
| 10 lumen/square foot/steradian | 31.415926536 foot-lambert [fL] |
| 50 lumen/square foot/steradian | 157.07963268 foot-lambert [fL] |
| 100 lumen/square foot/steradian | 314.15926536 foot-lambert [fL] |
| 1000 lumen/square foot/steradian | 3141.5926536 foot-lambert [fL] |
| 10000 lumen/square foot/steradian | 31415.926536 foot-lambert [fL] |
| 100000 lumen/square foot/steradian | 314159.26536 foot-lambert [fL] |
| 1000000 lumen/square foot/steradian | 3141592.6536 foot-lambert [fL] |
How to Convert lumen/square foot/steradian to foot-lambert
1 lumen/square foot/steradian = 3.1415926536 foot-lambert [fL]
1 foot-lambert [fL] = 0.3183098862 lumen/square foot/steradian
we use cross multiplication method
lumen/square foot/steradian → foot-lambert [fL]
1 → 3.1415926536
1.5 → ?( suppose x)
=>1.5*3.1415926536=1*x
by simplifying
x=4.7123889804