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

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Foot-lambert to Lumen per square foot steradian Converter

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

Conversion formula

1 fL = 0.318309886183791 lm/(ft^2*sr)

1 lm/(ft^2*sr) = 3.14159265358979 fL

Example: 100 fL = 31.8309886183791 lm/(ft^2*sr)

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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 foot steradian

One lumen per square foot steradian is equal to 1 / ft^2 candelas per square meter.

History: This form is equivalent to candela per square foot.

Current use: Used for US customary lighting and optical calculations.

Also written as lm/(ft^2*sr).

Foot-lambert to Lumen per square foot steradian table

Foot-lambert [fL]Lumen per square foot steradian [lm/(ft^2*sr)]
0.01 fL0.00318309886183791 lm/(ft^2*sr)
0.1 fL0.0318309886183791 lm/(ft^2*sr)
1 fL0.318309886183791 lm/(ft^2*sr)
2 fL0.636619772367581 lm/(ft^2*sr)
5 fL1.59154943091895 lm/(ft^2*sr)
10 fL3.18309886183791 lm/(ft^2*sr)
20 fL6.36619772367581 lm/(ft^2*sr)
50 fL15.9154943091895 lm/(ft^2*sr)
100 fL31.8309886183791 lm/(ft^2*sr)

Frequently asked questions

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

    One Foot-lambert equals 0.318309886183791 Lumen per square foot steradian.

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

    Multiply the Foot-lambert value by 0.318309886183791 to get the result in Lumen per square foot steradian.

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

    Multiply the Lumen per square foot steradian value by 3.14159265358979 to get back to Foot-lambert.

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

    100 Foot-lambert equals 31.8309886183791 Lumen per square foot steradian.