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Photometry

noxtoklx

Convert nox (nox) to kilolux (klx).

Factor1 nox = 1e-6 klx

Converter

nox

Accepts numbers or expressions, e.g. 150 + 14.7

Result
1klx

Rendered to 6 significant figures.

Formula

Formula
klx = nox × 1e-6

Multiply any value in nox by 1e-6 to obtain the value in kilolux.

Worked example

Convert 1.00000e+6 nox to klx.

  1. 01Start with 1.00000e+6 nox.
  2. 02Multiply by the conversion factor: 1.00000e+6 × 1e-6 = 1 klx.
Result1.00000e+6 nox = 1 klx

Conversion table

noxklx
11e-6
22e-6
55e-6
101e-5
202e-5
505e-5
1000.0001
2000.0002
5000.0005
10000.001

Reference values rounded to 5 significant figures for display.

FAQ

What is the conversion factor from nox to klx?
1 nox equals 1e-6 klx. To convert, multiply the value in nox by 1e-6.
How do I convert 1 nox to klx?
1 nox = 1e-6 klx. For any value, multiply by 1e-6.
How do I convert klx back to nox?
Divide by the same factor — or equivalently, multiply by 1000000. So 1 klx = 1.00000e+6 nox.
When would I need to convert nox to kilolux?
Illuminance conversions between nox and klx are used in lighting design, workplace safety assessments, and photographic exposure work. Lux is the SI standard for international codes; foot-candles remain common in US lighting specifications.
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).

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