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Light Converters

Luminance Converter

Result

... Lambert = ... Foot-lambert

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Lambert to Foot-lambert Converter

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

Conversion formula

1 L = 929.0304 fL

1 fL = 0.00107639104167097 L

Example: 100 L = 92,903.04 fL

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Lambert

One lambert is equal to 3183.0988618379 candelas per square meter.

History: The lambert is named after Johann Heinrich Lambert and was used in older photometry.

Current use: Used mainly in legacy photometric references and surface brightness conversions.

Also written as L.

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.

Lambert to Foot-lambert table

Lambert [L]Foot-lambert [fL]
0.01 L9.290304 fL
0.1 L92.90304 fL
1 L929.0304 fL
2 L1,858.0608 fL
5 L4,645.152 fL
10 L9,290.304 fL
20 L18,580.608 fL
50 L46,451.52 fL
100 L92,903.04 fL

Frequently asked questions

  • How many Foot-lambert (fL) are in one Lambert (L)?

    One Lambert equals 929.0304 Foot-lambert.

  • How do you convert Lambert to Foot-lambert?

    Multiply the Lambert value by 929.0304 to get the result in Foot-lambert.

  • How do you convert Foot-lambert back to Lambert?

    Multiply the Foot-lambert value by 0.00107639104167097 to get back to Lambert.

  • What is 100 Lambert in Foot-lambert?

    100 Lambert equals 92,903.04 Foot-lambert.