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Lux to Nox Converter
Converts lux to nox instantly. One lux equals 1000 nox. Includes a reference table and the reverse conversion.
Converters
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No sign-up
Free, unlimited
Enter a value to convert.
In short
One lux equals 1000 nox. To convert lux to nox, multiply by 1000. To go the other way, multiply nox by 0.001. So 5 lux is 5000 nox, 10 is 10000 and 100 is 100000. Both units measure illuminance and light level, so the conversion is a single exact multiplication with no offset — the same factor works in a spreadsheet or in code.
How to use the Lux to Nox Converter
- Type the value you want to convert.
- Pick the unit you are converting from and the unit you want.
- The converted value and the exact conversion factor are shown instantly.
About the Lux to Nox Converter
The Lux to Nox Converter converts lux to nox instantly. One lux equals 1000 nox. Includes a reference table and the reverse conversion. It runs as plain JavaScript inside the page, which means there is no upload step, no queue and no size limit imposed by a server — the only limit is your own device.
What people use it for
- Converting a single lux figure without opening a spreadsheet.
- Checking a specification written in lux against equipment rated in nox.
- Getting the factor itself so you can reuse it in a formula.
Details
| 1 Lux | 1000 Nox |
|---|---|
| 1 Nox | 0.001 Lux |
| Conversion type | Exact multiplication — no offset needed |
| Measures | Illuminance and light level |
The maths behind it
This tool uses nox = lux × 1000, because both units are defined against the Lux. Every intermediate value is shown on screen, so the result can be checked by hand.
Frequently asked questions
Is the Lux to Nox Converter free, or is there a paid tier?
Free, unlimited, and no email address required. You can use it a hundred times a day and nothing changes.
Is what I paste into the Lux to Nox Converter stored?
No. The Lux to Nox Converter runs entirely in your browser using JavaScript. Nothing is transmitted, logged or stored, which you can verify yourself in the Network tab of your browser's developer tools.
How is the result calculated?
It uses nox = lux × 1000, because both units are defined against the Lux. The full working is printed under the result, so you can follow every step rather than trusting a black box.
What do I get if I try it?
Enter 10 lux and the Lux to Nox Converter returns 10000 nox.
What is the Lux to Nox Converter used for?
The jobs it is built for: converting a single lux figure without opening a spreadsheet. Checking a specification written in lux against equipment rated in nox. Getting the factor itself so you can reuse it in a formula. It is built for exactly those cases rather than being a general-purpose tool with this bolted on.
Which values should I know?
1 Lux is 1000 Nox. 1 Nox is 0.001 Lux. Conversion type is Exact multiplication — no offset needed. These are printed on the page itself, so you do not have to take them on trust.
Can I rely on this for exact work?
The calculation runs in double precision and the result is shown to ten significant figures, so converting a value and converting it back returns the original. What is displayed is rounded for readability; what is copied is not.
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