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.

Convert From Phots

Phot to Lux Phot to Millilux Phot to Kilolux Phot to Megalux Phot to Lumen per Square Meter Phot to Lumen per Square Centimeter Phot to Foot-candles Phot to Lumen per Square Foot Phot to Lumen per Square Inch Phot to Milliphot Phot to Kilophot Phot to Nox

Convert To Phots

Lux to Phot Millilux to Phot Kilolux to Phot Megalux to Phot Lumen per Square Meter to Phot Lumen per Square Centimeter to Phot Foot-candles to Phot Lumen per Square Foot to Phot Lumen per Square Inch to Phot Milliphot to Phot Kilophot to Phot Nox to Phot

Conversion Factors

1 ph 10000 lx

1 ph 0.01 mlx

1 ph 10 klx

1 ph 0.01 Mlx

1 ph 10000 lm/m²

1 ph 1 lm/cm²

1 ph 929.03039997 fc

1 ph 929.03039997 lm/ft²

1 ph 6.4516 lm/in²

1 ph 1000 mph

1 ph 0.001 kph

1 ph 10000000 nx

Related Units

Lux (lx) Millilux (mlx) Kilolux (klx) Megalux (Mlx) Lumen per Square Meter (lm/m²) Lumen per Square Centimeter (lm/cm²) Foot-candle (fc) Lumen per Square Foot (lm/ft²) Lumen per Square Inch (lm/in²) Milliphot (mph) Kilophot (kph) Nox (nx)