Lux to Nox Converter

Illuminance Converter

4 units available

Decimals:

From

To

1,000

1 lx = 1,000 nx

Formula:

nx = lx × 1,000

With your value: 1 lx = 1,000 nx

Other Lux to Nox conversions

2 lx to nx 3 lx to nx 4 lx to nx 5 lx to nx 6 lx to nx 7 lx to nx 8 lx to nx

Lux to Nox Conversion Table

Lux (lx)	Nox (nx)
0.5	500
1	1,000
2	2,000
5	5,000
10	10,000
15	15,000
20	20,000
25	25,000
50	50,000
100	100,000
250	250,000
500	500,000
1000	1,000,000

Nox to Lux Conversion Table

Nox (nx)	Lux (lx)
0.5	0.0005
1	0.001
2	0.002
5	0.005
10	0.01
15	0.015
20	0.02
25	0.025
50	0.05
100	0.1
250	0.25
500	0.5
1000	1

Where these values come from

Every factor on this page is traced to the document that defines it. See the full provenance dataset or our methodology.

Lux (lx)

Illuminance

Exact conversion

Derived from the lux (1 lx = 1 lm/m²); the foot-candle is 1 lm/ft².

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

Nox (nx)

Illuminance

Exact conversion

Derived from the lux (1 lx = 1 lm/m²); the foot-candle is 1 lm/ft².

Source: BIPM, The International System of Units (SI), 9th edition, 2019 (updated 2024)

Bureau International des Poids et Mesures · Reviewed 2026-07-01

How to Convert Lux to Nox

To convert from Lux (lx) to Nox (nx), multiply the value by 1,000.

Formula: nx = lx × 1,000

Reverse: lx = nx × 0.001

Step-by-Step Example

Start with your value in Lux. For example: 5 lx
Multiply by the conversion factor: 5 x 1,000
The result is: 5,000 nx

About Lux

Lux (lx) is the SI unit of illuminance, measuring luminous flux per unit area. It is equal to one lumen per square meter.

Fun Fact: Direct sunlight is about 32,000 to 100,000 lux.

Common uses: lighting design, photography, workspace safety.

About Nox

The nox (nx) is a unit of illuminance. One nox equals 0.001 luxs. UnitConvertLab converts it against every other illuminance unit using this exact definition, so results are reproducible to full double precision rather than rounded lookup tables.

Common uses: illuminance calculations, engineering and science, education.

Frequently Asked Questions

How many Nox are in 1 Lux?

There are exactly 1,000 Nox in 1 Lux. This means the conversion factor from Lux to Nox is 1,000.

What is the formula to convert Lux to Nox?

The formula to convert Lux to Nox is: nx = lx × 1,000. For example, to convert 10 Lux to Nox, you would multiply 10 by 1,000.

What is a Lux?