Lumen per Square Foot per Steradian to Foot Lambert Converter

Light & Heat

Candela per square meter, nits and more.

How to convert Lumen per Square Foot per Steradian to Foot Lambert

Multiply the lumen per square foot per steradian value by 3.14159: 1 lm/ft²/sr = 3.14159 fL. Going the other way, 1 fL = 0.31831 lm/ft²/sr, so divide by 3.14159 or use the Foot Lambert to Lumen per Square Foot per Steradian converter.

About these units

Foot Lambert (fL)

A foot-lambert is about 3.426 cd/m². Cinema screens and projectors are often specified in foot-lamberts.

Lumen per Square Foot per Steradian to Foot Lambert conversion table

Lumen per Square Foot per Steradian (lm/ft²/sr)Foot Lambert (fL)
1 lm/ft²/sr3.14159 fL
2 lm/ft²/sr6.28319 fL
3 lm/ft²/sr9.42478 fL
4 lm/ft²/sr12.5664 fL
5 lm/ft²/sr15.708 fL
10 lm/ft²/sr31.4159 fL
20 lm/ft²/sr62.8319 fL
25 lm/ft²/sr78.5398 fL
50 lm/ft²/sr157.08 fL
100 lm/ft²/sr314.159 fL
500 lm/ft²/sr1,570.8 fL
1,000 lm/ft²/sr3,141.59 fL

More lumen per square foot per steradian conversions

See every unit on the Luminance Converter.