Convert Skots to Candelas per square foot

Convert Skots (sk) to Candelas per square foot (cd/ft²) instantly and accurately.

Skots (sk)
Candelas per square foot (cd/ft²)

Conversion Formula

cd/ft² = sk × 2.957195609e-5

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 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

Skots (sk)Candelas per square foot (cd/ft²)
1 sk2.957 × 10-5 cd/ft²
2 sk5.914 × 10-5 cd/ft²
5 sk0.00014786 cd/ft²
10 sk0.00029572 cd/ft²
25 sk0.000739299 cd/ft²
50 sk0.0014786 cd/ft²
100 sk0.0029572 cd/ft²

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