tier_2 conversion
Convert phot to lux
Convert phot to lux with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
phot to lux
phot to lux
Quick answer
1 phot = 1e+4 lux.
Formula
lux = phot × 1e+4
Precision
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
How to convert phot to lux
- Enter a value in phot.
- Multiply the phot value by 1e+4 to obtain lux.
- Round the displayed lux value only when needed.
About these units
phot is a unit used in illumination conversions. Illuminance measures luminous flux received per unit area. Its recorded symbol is ph. lux is a unit used in illumination conversions. Illuminance measures luminous flux received per unit area. Its recorded symbol is lx.
Explore related conversions
phot to lux conversion table
| phot | lux |
|---|---|
| 0 phot | 0e+4 lux |
| 1 phot | 1e+4 lux |
| 5 phot | 5e+4 lux |
| 10 phot | 1.0e+5 lux |
| 25 phot | 2.5e+5 lux |
| 100 phot | 1.00e+6 lux |
Frequently asked questions
How do I convert from phot to lux?
Multiply the phot value by 1e+4 to obtain lux.
What formula does CalculatorHQ use for phot to lux?
lux = phot × 1e+4
How should I round the result?
The stored factor is used at full decimal precision; round only the displayed result to the precision required by the task.
Can I convert lux back to phot?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.