foot-lambert to lumen/square foot/steradian
Please provide values below to convert foot-lambert [fL] to lumen/square foot/steradian, or change ↔.
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
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] to lumen/square foot/steradian Conversion Table
| 1 foot-lambert [fL] | 0.3183098862 lumen/square foot/steradian |
| 2 foot-lambert [fL] | 0.6366197724 lumen/square foot/steradian |
| 3 foot-lambert [fL] | 0.9549296586 lumen/square foot/steradian |
| 5 foot-lambert [fL] | 1.5915494309 lumen/square foot/steradian |
| 10 foot-lambert [fL] | 3.1830988618 lumen/square foot/steradian |
| 50 foot-lambert [fL] | 15.915494309 lumen/square foot/steradian |
| 100 foot-lambert [fL] | 31.830988618 lumen/square foot/steradian |
| 1000 foot-lambert [fL] | 318.30988618 lumen/square foot/steradian |
| 10000 foot-lambert [fL] | 3183.0988618 lumen/square foot/steradian |
| 100000 foot-lambert [fL] | 31830.988618 lumen/square foot/steradian |
| 1000000 foot-lambert [fL] | 318309.88618 lumen/square foot/steradian |
How to Convert foot-lambert to lumen/square foot/steradian
1 foot-lambert [fL] = 0.3183098862 lumen/square foot/steradian
1 lumen/square foot/steradian = 3.1415926536 foot-lambert [fL]
we use cross multiplication method
foot-lambert [fL] → lumen/square foot/steradian
1 → 0.3183098862
1.5 → ?( suppose x)
=>1.5*0.3183098862=1*x
by simplifying
x=0.4774648293