Illuminance Converter

Convert between illuminance units

Amount

From

To

5,574.1824 fc

rate：1 ph = 929.0304 fc

Decimals 6 Thousands separator Scientific notation

Results in all units

6 ph

Unit	Symbol	Value
Metric
Lux	lx	60,000
Kilolux	klx	60
Lumens/m²	lm/m²	60,000
Imperial / US
Foot-candles	fc	5,574.1824
Phots	ph	6

Popular Illuminance Conversions

Recent Conversions

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6 Phots → 5,574.1824 Foot-candles 💡 Illuminance 82 Kilovolts → 82,000,000 Millivolts 🔌 Voltage 994 Picohenries → 0.994 Nanohenries ⚡ Inductance 20 Millicuries → 740,000,000 Becquerels ☢️ Radioactivity 49 Milliwebers → 4,900,000 Maxwells 🧲 Magnetic Flux

Trending Conversions

Just Converted

15 Foot-candles → 161.4587 Lux 💡 Illuminance 79 Foot-candles → 0.8503 Kilolux 💡 Illuminance 8 Foot-candles → 86.1113 Lumens/m² 💡 Illuminance 62 Kilolux → 62,000 Lux 💡 Illuminance 389 Lux → 389 Lumens/m² 💡 Illuminance 6 Lux → 0.5574 Foot-candles 💡 Illuminance 52 Lumens/m² → 52 Lux 💡 Illuminance 6 Phots → 5,574.1824 Foot-candles 💡 Illuminance 78 Lux → 7.2464 Foot-candles 💡 Illuminance 55 Lux → 0.055 Kilolux 💡 Illuminance

Common Scenarios

Illuminance directly affects visual comfort and health. Interior designers ensure office desk illuminance is between 300-500 lux to protect eyesight. In photography, photographers read lux or foot-candles (fc) with light meters to set aperture and shutter speed.

History & Background

Early lighting relied entirely on natural light or fire. With the invention of the electric light, physicists began defining luminous flux and illuminance units. Modern photometry simulates the human eye's sensitivity to brightness.

Conversion Details

Illuminance conversion is based on lux (lx).

Common conversions: 1 foot-candle ≈ 10.76 lux, 1 phot = 10,000 lux.