Lambert to Foot-Lambert Converter

Luminance Converter

5 units available

Decimals:

From

To

929.030403

1 L = 929.030403 fL

Formula:

fL = L × 929.0304026126

With your value: 1 L = 929.03040261 fL

Other Lambert to Foot-Lambert conversions

2 L to fL 3 L to fL 4 L to fL 5 L to fL 6 L to fL 7 L to fL 8 L to fL

Lambert to Foot-Lambert Conversion Table

Lambert (L)	Foot-Lambert (fL)
0.5	464.515201
1	929.030403
2	1,858.060805
5	4,645.152013
10	9,290.304026
15	13,935.456039
20	18,580.608052
25	23,225.760065
50	46,451.520131
100	92,903.040261
250	232,257.600653
500	464,515.201306
1000	929,030.402613

Foot-Lambert to Lambert Conversion Table

Foot-Lambert (fL)	Lambert (L)
0.5	0.000538
1	0.001076
2	0.002153
5	0.005382
10	0.010764
15	0.016146
20	0.021528
25	0.02691
50	0.05382
100	0.107639
250	0.269098
500	0.538196
1000	1.076391

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Lambert (L)

Luminance

Exact conversion

Traceable to the candela, defined by fixing the luminous efficacy of 540 THz radiation at 683 lm/W.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Foot-Lambert (fL)

Luminance

Exact conversion

Traceable to the candela, defined by fixing the luminous efficacy of 540 THz radiation at 683 lm/W.

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Lambert to Foot-Lambert

To convert from Lambert (L) to Foot-Lambert (fL), multiply the value by 929.0304026126.

Formula: fL = L × 929.0304026126

Reverse: L = fL × 0.001076391

Step-by-Step Example

Start with your value in Lambert. For example: 5 L
Multiply by the conversion factor: 5 x 929.0304026126
The result is: 4,645.152013 fL

About Lambert

The lambert (L) is a unit of luminance. One lambert equals 3183.098862 candela per square metres. UnitConvertLab converts it against every other luminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: luminance calculations, engineering and science, education.

About Foot-Lambert

The foot-lambert (fL) is a unit of luminance. One foot-lambert equals 3.42625909 candela per square metres. UnitConvertLab converts it against every other luminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: luminance calculations, engineering and science, education.

Frequently Asked Questions

How many Foot-Lambert are in 1 Lambert?

There are exactly 929.0304026126 Foot-Lambert in 1 Lambert. This means the conversion factor from Lambert to Foot-Lambert is 929.0304026126.

What is the formula to convert Lambert to Foot-Lambert?

The formula to convert Lambert to Foot-Lambert is: fL = L × 929.0304026126. For example, to convert 10 Lambert to Foot-Lambert, you would multiply 10 by 929.0304026126.

What is a Lambert?