Convert Millilux to Phot
Use this free converter to change millilux (mlx) into phot (ph). Millilux and phot both measure illuminance. As a quick reference, 1 mlx equals 1.0000e-7 ph, and 1 ph equals 10000000 mlx.
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Phot (ph)
1.0000e-7
1 mlx = 1.0000e-7 ph
Illuminance conversion table
| Millilux | Phot |
|---|---|
| 0.01 | 1.0000e-9 |
| 0.1 | 1.0000e-8 |
| 0.5 | 5.0000e-8 |
| 1 | 1.0000e-7 |
| 2 | 2.0000e-7 |
| 3 | 3.0000e-7 |
| 5 | 5.0000e-7 |
| 10 | 0.000001 |
| 20 | 0.000002 |
| 25 | 0.0000025 |
| 50 | 0.000005 |
| 100 | 0.00001 |
| 1,000 | 0.0001 |
How to convert Millilux to Phot
Multiply the millilux value by 1.0000e-7 to get phot.
- Enter the number of millilux you want to convert.
- The converter instantly shows the equivalent value in phot.
- Worked example: 15 mlx × 1.0000e-7 = 0.0000015 ph.
- Use the swap button to reverse the conversion (phot to millilux).
About these units
Millilux (mlx)
- Definition
- A millilux (mlx) is one thousandth of a lux, used for very low-light measurement.
- History
- It is a metric sub-multiple of the lux.
- Current use
- Millilux values describe moonlit or deeply shaded environments in scientific photometry.
Phot (ph)
- Definition
- A phot (ph) is a CGS unit of illuminance equal to 10,000 lux, or one lumen per square centimeter.
- History
- It was part of the CGS system, predating the SI, and is now largely obsolete.
- Current use
- The phot is rarely used today, appearing only in older technical literature.
Frequently asked questions
How many phot are in a millilux?
There are 1.0000e-7 ph in 1 mlx. To convert, multiply the number of millilux by 1.0000e-7.
How do I convert millilux to phot?
Multiply the millilux value by 1.0000e-7 to get phot. For example, 10 mlx = 0.000001 ph.
Is this millilux-to-phot converter free?
Yes. This converter is completely free, runs entirely in your browser, and requires no sign-up. Your inputs never leave your device.
Convert Millilux to other illuminance units
| Unit | 1 Millilux equals |
|---|---|
| Lux (lx) | 0.001 lx |
| Kilolux (klx) | 0.000001 klx |
| Foot-candle (fc) | 0.00009290304 fc |
| Phot (ph) | 1.0000e-7 ph |
| Nox (nx) | 1 nx |