Convertir Foot-candle vers Phot

Veuillez saisir des valeurs ci‑dessous pour convertir Foot-candle [fc] vers Phot [ph]

Conversion en cours...

Infos sur l’unité

Lux (lx)

Définition: L'unité SI d'illuminance, égale à un lumen par mètre carré.

Historique: Du latin "lux" signifiant lumière.

Usage actuel: Utilisée pour mesurer les niveaux de lumière en photographie et architecture.

Pied-bougie (fc)

Définition: Une unité d'illuminance égale à un lumen par pied carré.

Historique: Unité impériale traditionnelle.

Usage actuel: Utilisée aux États-Unis pour la conception d'éclairage.

Phot (ph)

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

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

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

Nox (nx)

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

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

Usage actuel: Primarily of historical interest; included for completeness and reference.

Le saviez‑vous ?

  • 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.

Conversions courantes

Convertir Lux vers Pied-bougie

lx / 10.764

Convertir Pied-bougie vers Lux

fc * 10.764

Convert Pied-bougie to Phot

How this conversion works

Converting Pied-bougie (fc) to Phot (ph) 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 0,00107639 ph. Conversely, 1 ph equals 929,031299064466 fc. Combine these ratios with the in-page calculator to convert any value instantly.

About Pied-bougie

Definition: Une unité d'illuminance égale à un lumen par pied carré.

History: Unité impériale traditionnelle.

Current use: Utilisée aux États-Unis pour la conception d'éclairage.

About Phot

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.

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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