tier_2 conversion
Convert lumen/square meter to phot
Convert lumen/square meter to phot with a verified formula, worked example, conversion table, precision guidance, and reverse conversion.
lumen/square meter to phot
lumen/square meter to phot
Quick answer
1 lumen/square meter = 0.0001 phot.
Formula
phot = lumen/square meter × 0.0001
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 lumen/square meter to phot
- Enter a value in lumen/square meter.
- Use the scale factor 0.0001: phot equals lumen/square meter multiplied by this factor.
- Round the displayed phot value only when needed.
About these units
lumen/square meter is a unit used in illumination conversions. Illuminance measures luminous flux received per unit area. Its recorded symbol is lm/m^2. phot is a unit used in illumination conversions. Illuminance measures luminous flux received per unit area. Its recorded symbol is ph.
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- Convert centimeter-candle to phot
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lumen/square meter to phot conversion table
| lumen/square meter | phot |
|---|---|
| 0 lumen/square meter | 0.0000 phot |
| 1 lumen/square meter | 0.0001 phot |
| 5 lumen/square meter | 0.0005 phot |
| 10 lumen/square meter | 0.0010 phot |
| 25 lumen/square meter | 0.0025 phot |
| 100 lumen/square meter | 0.0100 phot |
Frequently asked questions
How do I convert from lumen/square meter to phot?
Use the scale factor 0.0001: phot equals lumen/square meter multiplied by this factor.
What formula does CalculatorHQ use for lumen/square meter to phot?
phot = lumen/square meter × 0.0001
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 phot back to lumen/square meter?
Yes. Use the linked reverse conversion, whose formula is validated against this pair with round-trip tests.