Converting from Footcandle (fc) to Phot (ph) | Illuminance

What is Footcandle (fc)

Footcandle (fc) is a unit of measurement used to quantify the amount of light intensity on a surface. It represents the illuminance produced by one candle at a one-foot distance. In other words, it measures how bright the light is on a specific area.

What is Phot (ph)

Phot (ph) is another unit of illuminance that is part of the metric system. It measures illuminance based on the amount of light energy present per square meter. This unit is commonly used in scientific and technical contexts.

Conversion Formulas

The conversion formulas between Footcandle (fc) and Phot (ph) are as follows:

• 1 fc=0.001076391 ph

• 1 ph=929.0304 fc

Examples

Here are some common conversions between Footcandle and Phot:

• 12 fc = 0.01291669 ph
• 12 ph = 11148.36 fc
• 11 fc = 0.0118403 ph
• 11 ph = 10219.33 fc
• 8 fc = 0.008611128 ph
• 8 ph = 7432.243 fc

Use these conversion factors to accurately convert illuminance measurements from Footcandle to Phot and vice versa.