Convert Phot to Kilolux
Use this free converter to change phot (ph) into kilolux (klx). Phot and kilolux both measure illuminance. As a quick reference, 1 ph equals 10 klx, and 1 klx equals 0.1 ph.
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Kilolux (klx)
10
1 ph = 10 klx
Illuminance conversion table
| Phot | Kilolux |
|---|---|
| 0.01 | 0.1 |
| 0.1 | 1 |
| 0.5 | 5 |
| 1 | 10 |
| 2 | 20 |
| 3 | 30 |
| 5 | 50 |
| 10 | 100 |
| 20 | 200 |
| 25 | 250 |
| 50 | 500 |
| 100 | 1000 |
| 1,000 | 10000 |
How to convert Phot to Kilolux
Multiply the phot value by 10 to get kilolux.
- Enter the number of phot you want to convert.
- The converter instantly shows the equivalent value in kilolux.
- Worked example: 15 ph × 10 = 150 klx.
- Use the swap button to reverse the conversion (kilolux to phot).
About these units
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.
Kilolux (klx)
- Definition
- A kilolux (klx) is 1,000 lux, representing bright indoor or outdoor lighting conditions.
- History
- It is a metric multiple of the lux used when values become large.
- Current use
- Direct sunlight reaches 100–130 klx; kilolux is used in horticultural and sports-facility lighting specs.
Frequently asked questions
How many kilolux are in a phot?
There are 10 klx in 1 ph. To convert, multiply the number of phot by 10.
How do I convert phot to kilolux?
Multiply the phot value by 10 to get kilolux. For example, 10 ph = 100 klx.
Is this phot-to-kilolux 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 Phot to other illuminance units
| Unit | 1 Phot equals |
|---|---|
| Lux (lx) | 10000 lx |
| Millilux (mlx) | 10000000 mlx |
| Kilolux (klx) | 10 klx |
| Foot-candle (fc) | 929.0304 fc |
| Nox (nx) | 10000000 nx |