Nox (nox)	Lux (lx)
1 nox	0.001 lx
2 nox	0.002 lx
5 nox	0.005 lx
10 nox	0.01 lx
25 nox	0.025 lx
50 nox	0.05 lx
100 nox	0.1 lx
250 nox	0.25 lx
500 nox	0.5 lx
1000 nox	1 lx

Convert Nox to Lux

Convert nox to lux (nox to lx) with our instant calculator. 1 nox = 0.001 lx. Includes exact formula and reference tables.

How to Convert Nox to Lux (nox to lx)

1 Nox (nox) is equal to 0.001 Lux (lx). Divide the nox value by 1000

Quick Answer 1 nox = 0.001 lx

Formula lx = nox / 1000

Inverse Factor 1 lx = 1000 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 Lux (lx): Lux (lx) is a unit in the Illuminance measurement category. It is widely used in si standard illuminance (1 lumen/m²). The lux (lx) serves as the primary reference base unit for the illuminance domain.

Need to convert in the opposite direction? Visit our Convert Lux to Nox (lx to nox) calculator (1 lx = 1000 nox).

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

Convert 5 Nox to Lux: Applying the formula (lx = nox / 1000): starting with 5 nox, divide the nox value by 1000 to get 0.005 lx.
Convert 10 Nox to Lux: Applying the formula (lx = nox / 1000): starting with 10 nox, divide the nox value by 1000 to get 0.01 lx.
Convert 50 Nox to Lux: Applying the formula (lx = nox / 1000): starting with 50 nox, divide the nox value by 1000 to get 0.05 lx.

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 lux.

How many lux are in 1 nox?

There are 0.001 lux (lx) in 1 nox (nox). Conversely, 1 lux equals 1000 nox.

How do you convert nox to lux?

To convert nox (nox) to lux (lx), use the formula: lx = nox / 1000. Divide the nox value by 1000. For example, 10 nox equals 0.01 lx.

How do I convert back from lux to nox?

To convert in the reverse direction from lux (lx) to nox (nox), use the inverse formula: nox = lx × 1000. Multiply the lux value by 1000 (1 lx = 1000 nox).

What is the difference between nox (nox) and lux (lx)?

Both nox and lux 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). Lux (lx) is a unit in the Illuminance measurement category. It is widely used in si standard illuminance (1 lumen/m²). The lux (lx) serves as the primary reference base unit for the illuminance domain.

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).