💡Illuminance
LuxをPhotに換算
Lux（lx）からPhot（ph）への無料オンライン単位換算ツール。計算式と換算早見表を掲載。
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Illuminance5 単位
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How the Calculation Works (Linear Scaling)
Formula:
Phot = Lux / 10000
Substitution:1 / 10000
Calculated Result:0.0001 ph
Since 1 Phot = 10000 Lux, divide the value in Lux by 10000.
Standard Ratio Factor:1 lx = 0.0001 ph
Lux to Phot Conversion Table
Precomputed values for quick reference and printing.
Lux → Phot(lx → ph)
| Lux | Phot |
|---|---|
| 1 lx | 0.0001 ph |
| 2 lx | 0.0002 ph |
| 3 lx | 0.0003 ph |
| 4 lx | 0.0004 ph |
| 5 lx | 0.0005 ph |
| 6 lx | 0.0006 ph |
| 7 lx | 0.0007 ph |
| 8 lx | 0.0008 ph |
| 9 lx | 0.0009 ph |
| 10 lx | 0.001 ph |
| 15 lx | 0.0015 ph |
| 20 lx | 0.002 ph |
| 25 lx | 0.0025 ph |
| 30 lx | 0.003 ph |
| 40 lx | 0.004 ph |
| 50 lx | 0.005 ph |
| 75 lx | 0.0075 ph |
| 100 lx | 0.01 ph |
Phot → Lux(ph → lx)
| Phot | Lux |
|---|---|
| 1 ph | 10000 lx |
| 2 ph | 20000 lx |
| 3 ph | 30000 lx |
| 4 ph | 40000 lx |
| 5 ph | 50000 lx |
| 6 ph | 60000 lx |
| 7 ph | 70000 lx |
| 8 ph | 80000 lx |
| 9 ph | 90000 lx |
| 10 ph | 100000 lx |
| 15 ph | 150000 lx |
| 20 ph | 200000 lx |
| 25 ph | 250000 lx |
| 30 ph | 300000 lx |
| 40 ph | 400000 lx |
| 50 ph | 500000 lx |
| 75 ph | 750000 lx |
| 100 ph | 1000000 lx |
📌 Standard Benchmark Reference Values
1 phot (ph)=10,000 lx
CGS illuminance benchmark (1 lumen per square centimeter = 10⁴ lx).
Exact RatioLux (lx)
The SI coherent derived unit of illuminance and luminous emittance, equal to 1 lumen per square meter (1 lx = 1 lm/m²).
Phot (ph)
A CGS unit of illuminance equal to 1 lumen per square centimeter, or exactly 10,000 lux.
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