Stilb to Lambert Converter
Convert Stilb (sb) to Lambert (L) instantly. 1 sb = 3.141593 L.
Luminance Converter
5 units available
1 sb = 3.141593 L
Formula:
L = sb × 3.1415926536With your value: 1 sb = 3.14159265 L
Other Stilb to Lambert conversions
Stilb to Lambert Conversion Table
| Stilb (sb) | Lambert (L) |
|---|---|
| 0.5 | 1.570796 |
| 1 | 3.141593 |
| 2 | 6.283185 |
| 5 | 15.707963 |
| 10 | 31.415927 |
| 15 | 47.12389 |
| 20 | 62.831853 |
| 25 | 78.539816 |
| 50 | 157.079633 |
| 100 | 314.159265 |
| 250 | 785.398163 |
| 500 | 1,570.796327 |
| 1000 | 3,141.592654 |
Lambert to Stilb Conversion Table
| Lambert (L) | Stilb (sb) |
|---|---|
| 0.5 | 0.159155 |
| 1 | 0.31831 |
| 2 | 0.63662 |
| 5 | 1.591549 |
| 10 | 3.183099 |
| 15 | 4.774648 |
| 20 | 6.366198 |
| 25 | 7.957747 |
| 50 | 15.915494 |
| 100 | 31.830989 |
| 250 | 79.577472 |
| 500 | 159.154943 |
| 1000 | 318.309886 |
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.
Stilb (sb)
Luminance
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
Lambert (L)
Luminance
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 Stilb to Lambert
To convert from Stilb (sb) to Lambert (L), multiply the value by 3.1415926536.
Formula: L = sb × 3.1415926536
Reverse: sb = L × 0.3183098862
Step-by-Step Example
- Start with your value in Stilb. For example: 5 sb
- Multiply by the conversion factor: 5 x 3.1415926536
- The result is: 15.707963 L
About Stilb
The stilb (sb) is a unit of luminance. One stilb equals 10000 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 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.
Frequently Asked Questions
How many Lambert are in 1 Stilb?
There are exactly 3.1415926536 Lambert in 1 Stilb. This means the conversion factor from Stilb to Lambert is 3.1415926536.
What is the formula to convert Stilb to Lambert?
The formula to convert Stilb to Lambert is: L = sb × 3.1415926536. For example, to convert 10 Stilb to Lambert, you would multiply 10 by 3.1415926536.
What is a Stilb?
The stilb (sb) is a unit of luminance. One stilb equals 10000 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.
What is a 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.
What are the common uses of Stilb?
The Stilb is commonly used in luminance calculations, engineering and science, education.
Related Luminance Conversions
Cite this page
UnitConvertLab. (2026). Stilb to Lambert converter. UnitConvertLab. Retrieved from https://unitconvertlab.com/convert/stilb-to-lambert