Convert Skots to Stilbs
Convert Skots (sk) to Stilbs (sb) instantly and accurately.
Conversion Formula
sb = sk × 3.183098862e-8
About Skots
The skot (sk) equals 10⁻³/π cd/m² ≈ 3.183×10⁻⁴ cd/m², defined as one-thousandth of an apostilb. A legacy photometric unit from early German-language vision science. The dark-adapted human eye threshold is around 3×10⁻⁴ cd/m², close to 1 sk. Now obsolete; replaced by cd/m² in SI photometry. 1 sk = 10⁻³/π cd/m².
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.
Quick Reference Table
| Skots (sk) | Stilbs (sb) |
|---|---|
| 1 sk | 3.183 × 10-8 sb |
| 2 sk | 6.366 × 10-8 sb |
| 5 sk | 1.592 × 10-7 sb |
| 10 sk | 3.183 × 10-7 sb |
| 25 sk | 7.958 × 10-7 sb |
| 50 sk | 1.592 × 10-6 sb |
| 100 sk | 3.183 × 10-6 sb |