Nox (nox)	Foot-candles (fc)
1 nox	0.0000929 fc
2 nox	0.0001858 fc
5 nox	0.0004645 fc
10 nox	0.000929 fc
25 nox	0.002323 fc
50 nox	0.004645 fc
100 nox	0.00929 fc
250 nox	0.02323 fc
500 nox	0.04645 fc
1000 nox	0.0929 fc

Convert Nox to Foot-candles

Convert nox to foot-candles (nox to fc) with our instant calculator. 1 nox = 0.000093 fc. Includes exact formula and reference tables.

How to Convert Nox to Foot-candles (nox to fc)

1 Nox (nox) is equal to 0.000093 Foot-candles (fc). Multiply the nox value by 0.00009290304

Quick Answer 1 nox = 0.000093 fc

Formula fc = nox × 0.00009290304

Inverse Factor 1 fc = 10763.910417 nox

Unit Definitions & Metrology Context

The SI unit of illuminance is the lux (lx), which equals one lumen per square meter (1 lx = 1 lm/m²). It quantifies the intensity of light falling on a given surface.

About Nox (nox): Nox (nox) is a unit in the Illuminance measurement category. It is widely used in night vision & astronomy optics (1 millilux). Relative to the illuminance base unit, 1 nox equals 0.001 Lux (lx).

About Foot-candles (fc): Foot-candle (fc) is a unit in the Illuminance measurement category. It is widely used in us architectural & photography lighting (1 lm/ft²). Relative to the illuminance base unit, 1 fc equals 10.76391 Lux (lx).

Need to convert in the opposite direction? Visit our Convert Foot-candles to Nox (fc to nox) calculator (1 fc = 10763.910417 nox).

Step-by-Step Worked Examples (nox to fc)

Convert 5 Nox to Foot-candles: Applying the formula (fc = nox × 0.00009290304): starting with 5 nox, multiply the nox value by 0.00009290304 to get 0.0005 fc.
Convert 10 Nox to Foot-candles: Applying the formula (fc = nox × 0.00009290304): starting with 10 nox, multiply the nox value by 0.00009290304 to get 0.0009 fc.
Convert 50 Nox to Foot-candles: Applying the formula (fc = nox × 0.00009290304): starting with 50 nox, multiply the nox value by 0.00009290304 to get 0.0046 fc.

Popular Illuminance Conversions

Lux ⇄ Foot-candle

Multiply lux by ~0.092903 to calculate illuminance in foot-candles (or divide lux by 10.7639).

Foot-candle ⇄ Lux

Multiply foot-candles by ~10.7639 to convert to lux (1 fc ≈ 10.764 lx).

Kilolux ⇄ Lux

1 kilolux equals exactly 1,000 lux (typical overcast daylight is 1–10 klx).

Phot ⇄ Lux

1 phot equals exactly 10,000 lux (1 lumen per square centimeter).

Frequently Asked Questions

Verified answers and formulas for converting nox to foot-candles.

How many foot-candles are in 1 nox?

There are 0.000093 foot-candles (fc) in 1 nox (nox). Conversely, 1 foot-candle equals 10763.910417 nox.

How do you convert nox to foot-candles?

To convert nox (nox) to foot-candles (fc), use the formula: fc = nox × 0.00009290304. Multiply the nox value by 0.00009290304. For example, 10 nox equals 0.0009 fc.

How do I convert back from foot-candles to nox?

To convert in the reverse direction from foot-candles (fc) to nox (nox), use the inverse formula: nox = fc × 10763.91042. Multiply the foot-candle value by 10763.91042 (1 fc = 10763.910417 nox).

What is the difference between nox (nox) and foot-candle (fc)?

Both nox and foot-candle measure illuminance. Nox (nox) is a unit in the Illuminance measurement category. It is widely used in night vision & astronomy optics (1 millilux). Relative to the illuminance base unit, 1 nox equals 0.001 Lux (lx). Foot-candle (fc) is a unit in the Illuminance measurement category. It is widely used in us architectural & photography lighting (1 lm/ft²). Relative to the illuminance base unit, 1 fc equals 10.76391 Lux (lx).

How do you convert foot-candles (fc) to lux (lx)?

Multiply the foot-candle value by 10.7639. For example, standard office lighting of 50 fc equals approximately 538.2 lux (50 × 10.7639 ≈ 538 lx).