Convert Kilolux to Phot
Use this free converter to change kilolux (klx) into phot (ph). Kilolux and phot both measure illuminance. As a quick reference, 1 klx equals 0.1 ph, and 1 ph equals 10 klx.
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Phot (ph)
0.1
1 klx = 0.1 ph
Illuminance conversion table
| Kilolux | Phot |
|---|---|
| 0.01 | 0.001 |
| 0.1 | 0.01 |
| 0.5 | 0.05 |
| 1 | 0.1 |
| 2 | 0.2 |
| 3 | 0.3 |
| 5 | 0.5 |
| 10 | 1 |
| 20 | 2 |
| 25 | 2.5 |
| 50 | 5 |
| 100 | 10 |
| 1,000 | 100 |
How to convert Kilolux to Phot
Multiply the kilolux value by 0.1 to get phot.
- Enter the number of kilolux you want to convert.
- The converter instantly shows the equivalent value in phot.
- Worked example: 15 klx × 0.1 = 1.5 ph.
- Use the swap button to reverse the conversion (phot to kilolux).
About these units
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.
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 kilolux?
There are 0.1 ph in 1 klx. To convert, multiply the number of kilolux by 0.1.
How do I convert kilolux to phot?
Multiply the kilolux value by 0.1 to get phot. For example, 10 klx = 1 ph.
Is this kilolux-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 Kilolux to other illuminance units
| Unit | 1 Kilolux equals |
|---|---|
| Lux (lx) | 1000 lx |
| Millilux (mlx) | 1000000 mlx |
| Foot-candle (fc) | 92.90304 fc |
| Phot (ph) | 0.1 ph |
| Nox (nx) | 1000000 nx |