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... Lumen per square meter steradian = ... Foot-lambert

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Lumen per square meter steradian to Foot-lambert Converter

Use this page to convert lumen per square meter steradian values into foot-lambert, with background details, formulas, a worked example, and a quick conversion table.

Conversion formula

1 lm/(m^2*sr) = 0.291863507960159 fL

1 fL = 3.42625909963539 lm/(m^2*sr)

Example: 100 lm/(m^2*sr) = 29.1863507960159 fL

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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

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 to Foot-lambert table

Lumen per square meter steradian [lm/(m^2*sr)]Foot-lambert [fL]
0.01 lm/(m^2*sr)0.00291863507960159 fL
0.1 lm/(m^2*sr)0.0291863507960159 fL
1 lm/(m^2*sr)0.291863507960159 fL
2 lm/(m^2*sr)0.583727015920317 fL
5 lm/(m^2*sr)1.45931753980079 fL
10 lm/(m^2*sr)2.91863507960159 fL
20 lm/(m^2*sr)5.83727015920317 fL
50 lm/(m^2*sr)14.5931753980079 fL
100 lm/(m^2*sr)29.1863507960159 fL

Frequently asked questions

  • How many Foot-lambert (fL) are in one Lumen per square meter steradian (lm/(m^2*sr))?

    One Lumen per square meter steradian equals 0.291863507960159 Foot-lambert.

  • How do you convert Lumen per square meter steradian to Foot-lambert?

    Multiply the Lumen per square meter steradian value by 0.291863507960159 to get the result in Foot-lambert.

  • How do you convert Foot-lambert back to Lumen per square meter steradian?

    Multiply the Foot-lambert value by 3.42625909963539 to get back to Lumen per square meter steradian.

  • What is 100 Lumen per square meter steradian in Foot-lambert?

    100 Lumen per square meter steradian equals 29.1863507960159 Foot-lambert.