Convert Foot-candle to Nox

Please provide values below to convert Foot-candle [fc] to Nox [nx]

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Unit Information

Lux (lx)

Definition: The SI unit of illuminance, equal to one lumen per square meter.

History: From Latin "lux" meaning light.

Current Use: Used for measuring light levels in photography and architecture.

Foot-candle (fc)

Definition: A unit of illuminance equal to one lumen per square foot.

History: Traditional imperial unit.

Current Use: Used in the US for lighting design.

Phot (ph)

Definition: A CGS unit of illuminance equal to 10,000 lux (1 lumen per square centimeter).

History: From Greek "phos" meaning light; used in photometry within the CGS system.

Current Use: Rarely used in modern practice, but appears in legacy literature and some scientific contexts.

Nox (nx)

Definition: An obsolete unit of illuminance equal to 0.001 lux.

History: Historically used to describe very low levels of illumination.

Current Use: Primarily of historical interest; included for completeness and reference.

All Unit Conversions

Lux to Foot-candleLux to PhotLux to NoxFoot-candle to LuxFoot-candle to PhotFoot-candle to NoxPhot to LuxPhot to Foot-candlePhot to NoxNox to LuxNox to Foot-candleNox to Phot

Did you know?

  • Illuminance is the measure of the amount of light falling onto a surface.
  • The SI unit for illuminance is lux (lx), which is one lumen per square meter.
  • Direct sunlight provides an illuminance of about 100,000 lux.

Related Categories

Piece
Torque
Mass
Angle

Common Conversions

Convert Lux to Foot-candle

lx / 10.764

Convert Foot-candle to Lux

fc * 10.764

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Convert Foot-candle to Nox

How this conversion works

Converting Foot-candle (fc) to Nox (nx) is straightforward with Unitly. We apply lossless base-unit math under the hood so you get consistent answers whether you are auditing data pipelines, planning infrastructure, or double-checking homework.

Quick reference: 1 fc equals 10,763.9 nx. Conversely, 1 nx equals 0.00009290313 fc. Combine these ratios with the in-page calculator to convert any value instantly.

About Foot-candle

Definition: A unit of illuminance equal to one lumen per square foot.

History: Traditional imperial unit.

Current use: Used in the US for lighting design.

About Nox

Definition: An obsolete unit of illuminance equal to 0.001 lux.

History: Historically used to describe very low levels of illumination.

Current use: Primarily of historical interest; included for completeness and reference.

Related conversions

Questions people ask

What is illuminance?
Illuminance measures how much luminous flux is spread over a given area.
How many lumens does a 60W bulb produce?
A standard 60W incandescent bulb produces about 800 lumens.

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