Convertir Lux vers Phot

Veuillez saisir des valeurs ci‑dessous pour convertir Lux [lx] 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 Lux to Phot

How this conversion works

Converting Lux (lx) 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 lx equals 0,0001 ph. Conversely, 1 ph equals 10 000 lx. Combine these ratios with the in-page calculator to convert any value instantly.

About Lux

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

History: Du latin "lux" signifiant lumière.

Current use: Utilisée pour mesurer les niveaux de lumière en photographie et architecture.

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.

Need to cite your work? Pair these explanations with our JSON-LD schema (already embedded on the page) so search engines and analytics platforms understand the context behind each conversion.