Convert Stilb to Foot-lamberts
Input the number of stilbs you want to convert to foot-lamberts.
How to Convert Stilbs to Foot-lamberts
The stilb and foot-lambert are both units of luminance. 1 stilb equals 2918.6350796 foot-lamberts. This means to convert stilbs to foot-lamberts, you multiply by 2918.6350796.
Formula
Step-by-Step Example
Convert 5 sb to foot-lamberts:
We need to convert stilbs to foot-lamberts
Since 1 sb = 2918.6350796 fL, multiply by 2918.6350796
5 × 2918.6350796 = 14593.175398
5 sb = 14593.175398 fL
Stilb to Foot-lambert Conversion Table
Quick reference table for common stilb to foot-lambert conversions. Click any value for detailed calculation.
| Stilbs (sb) | Foot-lamberts (fL) |
|---|---|
| 0.1 sb | 291.86350796 fL |
| 0.5 sb | 1459.3175398 fL |
| 1 sb | 2918.6350796 fL |
| 2 sb | 5837.2701593 fL |
| 5 sb | 14593.175398 fL |
| 10 sb | 29186.350796 fL |
| 25 sb | 72965.876991 fL |
| 50 sb | 145931.75398 fL |
| 100 sb | 291863.50796 fL |
About These Units
Stilb (sb)
The stilb (sb) is the CGS unit of luminance equal to 10,000 cd/m² or 1 cd/cm². Named from Greek "stilbein" (to glitter). Very bright: 1 stilb equals a 10,000-nit display. Used in older scientific literature. One stilb ≈ 2,919 foot-lamberts.
Foot-lambert (fL)
The foot-lambert (fL) equals 1/π candela per square foot ≈ 3.43 nits. The US cinema projection standard: movie theater screen 12-22 fL, IMAX 22 fL minimum, drive-in 4-8 fL. Also used in flight simulator displays and military cockpit specifications.
Frequently Asked Questions
How do I convert stilbs to foot-lamberts?
To convert stilbs to foot-lamberts, multiply the value by 2918.6350796. For example, 10 sb = 29186.350796 fL.
How many foot-lamberts are in 1 stilb?
1 stilb equals 2918.6350796 foot-lamberts.
What is the formula for stilbs to foot-lamberts?
The formula is: fL = sb × 2918.6350796.