Convert Stilbs to Candelas per square foot
Convert Stilbs (sb) to Candelas per square foot (cd/ft²) instantly and accurately.
Conversion Formula
cd/ft² = sb × 929.0304
About Stilbs
The stilb (sb) equals 1 cd/cm² = 10⁴ cd/m². The CGS luminance unit. A candle flame has luminance ~0.5-0.6 sb; a frosted incandescent bulb ~10 sb; a xenon short-arc lamp up to 170 000 sb. Named from the Greek στίλβω (to glitter). Found in pre-1970 photometry texts. 1 sb = 10⁴ cd/m².
About Candelas per square foot
The candela per square foot (cd/ft²) equals 1/0.09290304 cd/m² ≈ 10.76 cd/m². Used in US lighting engineering; an illuminated office ceiling panel has luminance ~4-8 cd/ft². The ANSI ergonomic limit for computer workstation background sources is ~340 cd/ft². 1 cd/ft² = 1/0.09290304 cd/m².
Quick Reference Table
| Stilbs (sb) | Candelas per square foot (cd/ft²) |
|---|---|
| 1 sb | 929.03 cd/ft² |
| 2 sb | 1858.06 cd/ft² |
| 5 sb | 4645.15 cd/ft² |
| 10 sb | 9290.3 cd/ft² |
| 25 sb | 23225.8 cd/ft² |
| 50 sb | 46451.5 cd/ft² |
| 100 sb | 92903 cd/ft² |