Foot-Lambert to Candela/sq Meter Converter

Luminance Converter

5 units available

Decimals:

From

To

3.426259

1 fL = 3.426259 cd/m²

Formula:

cd/m² = fL × 3.42625909

With your value: 1 fL = 3.42625909 cd/m²

Other Foot-Lambert to Candela/sq Meter conversions

2 fL to cd/m² 3 fL to cd/m² 4 fL to cd/m² 5 fL to cd/m² 6 fL to cd/m² 7 fL to cd/m² 8 fL to cd/m²

Foot-Lambert to Candela/sq Meter Conversion Table

Foot-Lambert (fL)	Candela/sq Meter (cd/m²)
0.5	1.71313
1	3.426259
2	6.852518
5	17.131295
10	34.262591
15	51.393886
20	68.525182
25	85.656477
50	171.312955
100	342.625909
250	856.564773
500	1,713.129545
1000	3,426.25909

Candela/sq Meter to Foot-Lambert Conversion Table

Candela/sq Meter (cd/m²)	Foot-Lambert (fL)
0.5	0.145932
1	0.291864
2	0.583727
5	1.459318
10	2.918635
15	4.377953
20	5.83727
25	7.296588
50	14.593175
100	29.186351
250	72.965877
500	145.931754
1000	291.863509

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.

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

Candela/sq Meter (cd/m²)

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 Foot-Lambert to Candela/sq Meter

To convert from Foot-Lambert (fL) to Candela/sq Meter (cd/m²), multiply the value by 3.42625909.

Formula: cd/m² = fL × 3.42625909

Reverse: fL = cd/m² × 0.2918635088

Step-by-Step Example

Start with your value in Foot-Lambert. For example: 5 fL
Multiply by the conversion factor: 5 x 3.42625909
The result is: 17.131295 cd/m²

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.

About Candela/sq Meter

Candela per square meter is the SI unit of luminance. It is identical to the nit.

Common uses: physics, optics, display manufacturing.

Frequently Asked Questions

How many Candela/sq Meter are in 1 Foot-Lambert?

There are exactly 3.42625909 Candela/sq Meter in 1 Foot-Lambert. This means the conversion factor from Foot-Lambert to Candela/sq Meter is 3.42625909.

What is the formula to convert Foot-Lambert to Candela/sq Meter?

The formula to convert Foot-Lambert to Candela/sq Meter is: cd/m² = fL × 3.42625909. For example, to convert 10 Foot-Lambert to Candela/sq Meter, you would multiply 10 by 3.42625909.

What is a Foot-Lambert?