Convert Stilbs to Millilamberts
Convert Stilbs (sb) to Millilamberts (mL) instantly and accurately.
Conversion Formula
mL = sb × 3141.592654
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 Millilamberts
The millilambert (mL) equals 10/π cd/m² ≈ 3.183 cd/m². Historically used in the United States to specify projection screen luminance and oscilloscope phosphor brightness. A projection screen with luminance 1 mL ≈ 3.18 cd/m². Largely superseded by cd/m² and foot-lamberts in modern display standards. 1 mL = 10/π cd/m².
Quick Reference Table
| Stilbs (sb) | Millilamberts (mL) |
|---|---|
| 1 sb | 3141.59 mL |
| 2 sb | 6283.19 mL |
| 5 sb | 15708 mL |
| 10 sb | 31415.9 mL |
| 25 sb | 78539.8 mL |
| 50 sb | 157080 mL |
| 100 sb | 314159 mL |