Converter group
Light Converters
Luminance Converter
Result
... Foot-lambert = ... Lumen per square meter steradian
Find the units to convert
Foot-lambert to Lumen per square meter steradian Converter
Use this page to convert foot-lambert values into lumen per square meter steradian, with background details, formulas, a worked example, and a quick conversion table.
Conversion formula
1 fL = 3.42625909963539 lm/(m^2*sr)
1 lm/(m^2*sr) = 0.291863507960159 fL
Example: 100 fL = 342.625909963539 lm/(m^2*sr)
Jump to another pair
Foot-lambert
One foot-lambert is equal to 3.42625909963539 candelas per square meter.
History: Foot-lambert became common in cinema projection and US lighting practice.
Current use: Used for projection screens, cinema, signage, and display brightness references.
Also written as fL.
Lumen per square meter steradian
One lumen per square meter steradian is equal to one candela per square meter.
History: This form expands candela into lumen per steradian.
Current use: Used in photometry, radiometry-adjacent calculations, and optical engineering derivations.
Also written as lm/(m^2*sr).
Foot-lambert to Lumen per square meter steradian table
| Foot-lambert [fL] | Lumen per square meter steradian [lm/(m^2*sr)] |
|---|---|
| 0.01 fL | 0.0342625909963539 lm/(m^2*sr) |
| 0.1 fL | 0.342625909963539 lm/(m^2*sr) |
| 1 fL | 3.42625909963539 lm/(m^2*sr) |
| 2 fL | 6.85251819927078 lm/(m^2*sr) |
| 5 fL | 17.131295498177 lm/(m^2*sr) |
| 10 fL | 34.2625909963539 lm/(m^2*sr) |
| 20 fL | 68.5251819927078 lm/(m^2*sr) |
| 50 fL | 171.31295498177 lm/(m^2*sr) |
| 100 fL | 342.625909963539 lm/(m^2*sr) |
Frequently asked questions
How many Lumen per square meter steradian (lm/(m^2*sr)) are in one Foot-lambert (fL)?
One Foot-lambert equals 3.42625909963539 Lumen per square meter steradian.
How do you convert Foot-lambert to Lumen per square meter steradian?
Multiply the Foot-lambert value by 3.42625909963539 to get the result in Lumen per square meter steradian.
How do you convert Lumen per square meter steradian back to Foot-lambert?
Multiply the Lumen per square meter steradian value by 0.291863507960159 to get back to Foot-lambert.
What is 100 Foot-lambert in Lumen per square meter steradian?
100 Foot-lambert equals 342.625909963539 Lumen per square meter steradian.