Use this free, accurate phot to lux calculator to convert between Phot (ph) and Lux (lx). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
10,000 Lux
1 ph is equal to 10000 lx.
lx = ph × 10000
illuminance Converters
To convert from Phot to Lux, multiply the value in Phot by 10000 (or use the formula: lx = ph × 10000).
Take your initial measurement in Phot (ph). For instance, let's convert 1 ph.
Multiply by the standard conversion factor (10000).
The final converted measurement equals 10000 Lux (lx).
Compare standard reference values and common conversion benchmarks.
| Phot (ph) | Lux (lx) | Action |
|---|---|---|
| 1 ph | 10000 lx | |
| 2 ph | 20000 lx | |
| 3 ph | 30000 lx | |
| 5 ph | 50000 lx | |
| 10 ph | 100000 lx | |
| 15 ph | 150000 lx | |
| 20 ph | 200000 lx | |
| 25 ph | 250000 lx | |
| 50 ph | 500000 lx | |
| 75 ph | 750000 lx | |
| 100 ph | 1000000 lx | |
| 250 ph | 2500000 lx | |
| 500 ph | 5000000 lx | |
| 1000 ph | 1.0000e7 lx |
Official standards, measurement systems, and real-world everyday applications.
A CGS unit of illuminance equal to 10,000 lux or one lumen per square centimeter.
Common Practical Uses
The SI unit of illuminance, equal to one lumen per square meter.
Common Practical Uses
Calculate from Lux (lx) back to Phot (ph).
Frequently used unit conversions in this category:
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There are 10000 lux in 1 phots. Exactly 1 ph is equal to 10000 lx.
The conversion formula is: Lux = lx = ph × 10000. Applying this to 1 ph gives: 1 × 10000 = 10000 lx.
To convert in reverse from lux to phots, multiply by the inverse factor: 1 lx = 0.0001 ph. Alternatively, divide your Lux amount by 10000.
To calculate in your head, round the conversion multiplier (10000) to the nearest easy whole or decimal number.
Phot (ph) belongs to the CGS system, commonly used in Optics laboratories, Historical astronomy, Scientific optics. In comparison, Lux (lx) is part of the Metric (SI) system, frequently applied in Office lighting standards, Photography light meters, Architecture.
Key milestones include: 1 ph = 10000 lx, 5 ph = 50000 lx, 10 ph = 100000 lx, 50 ph = 500000 lx, and 100 ph = 1000000 lx.