Convert Milliphot to Nox

Input the number of milliphots you want to convert to nox.

1 mph (milliphots) = 10000 nx (nox)

How to Convert Milliphots to Nox

The milliphot and nox are both units of illuminance. By definition, 1 milliphot equals exactly 10000 nox. This means to convert milliphots to nox, you multiply by 10000.

Formula

nox = milliphots × 10000

Step-by-Step Example

Convert 5 mph to nox:

1
Convert 5 mph to nox

We need to convert milliphots to nox

2
Apply the formula

Since 1 mph = 10000 nx, multiply by 10000

5 × 10000 = 50000

Answer

5 mph = 50000 nx

Milliphot to Nox Conversion Table

Quick reference table for common milliphot to nox conversions. Click any value for detailed calculation.

Milliphots (mph) Nox (nx)
0.1 mph 1000 nx
0.5 mph 5000 nx
1 mph 10000 nx
2 mph 20000 nx
5 mph 50000 nx
10 mph 100000 nx
25 mph 250000 nx
50 mph 500000 nx
100 mph 1000000 nx

About These Units

Milliphot (mph)

A milliphot (mph) equals 0.001 phots or 10 lux. Provides a convenient scale for indoor lighting measurements. Well-lit office: 30-50 milliphots. One milliphot = 0.929 foot-candles. Used in some older photographic and scientific references.

Nox (nx)

The nox (nx) equals 1 millilux (0.001 lux). Used in scotopic (low-light) vision research, astronomy, and light pollution studies. Full moon: 100-300 nox. Starlight: 0.1-1 nox. Quarter moon: 10-50 nox. Measures illumination at the threshold of human vision.

Frequently Asked Questions

How do I convert milliphots to nox?

To convert milliphots to nox, multiply the value by 10000. For example, 10 mph = 100000 nx.

How many nox are in 1 milliphot?

1 milliphot equals 10000 nox.

What is the formula for milliphots to nox?

The formula is: nx = mph × 10000.