Convert Phot to Lumen per Square Centimeter
Convert phots to lumens per square centimeter by entering a value below.
How to Convert Phots to Lumens per Square Centimeter
The phot and lumen per square centimeter are both units of illuminance. By definition, 1 phot equals exactly 1 lumens per square centimeter. This means to convert phots to lumens per square centimeter, you multiply by 1.
Formula
Step-by-Step Example
Convert 5 ph to lumens per square centimeter:
We need to convert phots to lumens per square centimeter
Since 1 ph = 1 lm/cm², multiply by 1
5 × 1 = 5
5 ph = 5 lm/cm²
Phot to Lumen per Square Centimeter Conversion Table
Quick reference table for common phot to lumen per square centimeter conversions. Click any value for detailed calculation.
| Phots (ph) | Lumens per Square Centimeter (lm/cm²) |
|---|---|
| 1 ph | 1 lm/cm² |
| 2 ph | 2 lm/cm² |
| 5 ph | 5 lm/cm² |
| 10 ph | 10 lm/cm² |
| 15 ph | 15 lm/cm² |
| 20 ph | 20 lm/cm² |
| 25 ph | 25 lm/cm² |
| 50 ph | 50 lm/cm² |
| 100 ph | 100 lm/cm² |
About These Units
Phot (ph)
The phot (ph) is the CGS unit of illuminance equal to 10,000 lux or 1 lumen per square centimeter. Very bright: full sunlight is about 10 phots. Found in older scientific literature. One phot = 929 foot-candles. Largely replaced by lux in modern usage.
Lumen per Square Centimeter (lm/cm²)
Lumens per square centimeter (lm/cm²) equals 10,000 lux or 1 phot. Used in scientific contexts for high-intensity illumination. One lm/cm² represents intense light levels found in specialized applications like projection systems and concentrated solar power.
Frequently Asked Questions
How do I convert phots to lumens per square centimeter?
To convert phots to lumens per square centimeter, multiply the value by 1. For example, 10 ph = 10 lm/cm².
How many lumens per square centimeter are in 1 phot?
1 phot equals 1 lumens per square centimeter.
What is the formula for phots to lumens per square centimeter?
The formula is: lm/cm² = ph × 1.