phot to lux (lx) Conversion
Convert phot to lux (lx) with precision. Enter values and get instant conversions.
Illuminance Converter
1 phot = 0 lux (lx)
Common Conversions
About phot to lux (lx) Conversion
Converting from phot to lux (lx) is a common illuminance conversion.
This online converter allows you to easily convert between phot and lux (lx), providing instant results with high precision.
phot
Definition: The phot (symbol: ph) is an illuminance unit equal to 1 lumen per square centimeter (10,000 lx). Measures high-intensity illumination.
History: Used in early 20th century photometry before SI standardization. From Greek 'phos' (light).
Current use: Mostly obsolete, but appears in some specialized scientific instruments and historical contexts.
lux (lx)
Definition: The lux (symbol: lx) is the SI unit of illuminance, equal to 1 lumen per square meter. Measures how much light falls on a surface.
History: Adopted as part of the SI system in 1960. Based on the lumen (light flux) and meter (distance) definitions.
Current use: Standard for lighting design (500 lx for offices), photography (light meter readings), and workplace safety standards.
Details
- From: phot
- To: lux (lx)
- Formula: 1 phot = 10000.0000000000 lx
- Example: 25 phot = 250000.0000000000 lx
phot to lux (lx) Conversion Table
phot | lux (lx) |
---|---|
0.01 | 100 |
0.1 | 1000 |
1 | 10000 |
2 | 20000 |
3 | 30000 |
5 | 50000 |
10 | 100000 |
20 | 200000 |
50 | 500000 |
100 | 1000000 |
1000 | 10000000 |