Lux to Foot-Candle Conversion

Convert between Lux and Foot-Candle quickly and accurately.

lx
ft*c, fc

How to Convert Lux to Foot-Candle

Conversion Formula

1 lx = 0.093 ft*c, fc
1 ft*c, fc = 10.764 lx

Example

Convert 15 lx to ft*c, fc:

15 lx = 15 × 0.093 ft*c, fc = 1.394 ft*c, fc

Unit Information

Learn about the illumination units you're converting between

Lux

lx

Definition

The Lux is the SI derived unit of illuminance, representing the luminous flux per unit area. It measures the amount of light that falls on a surface, with one lux being equal to one lumen per square meter. This unit is fundamental in lighting design and photometry.

History/Origin

The lux was established as part of the International System of Units (SI) in 1960, derived from the candela and meter. It replaced earlier illumination units and provides a standardized way to measure light levels for various applications, from architectural lighting to scientific research.

Current Use

Widely used in lighting design, photography, workplace safety standards, and scientific research. It is essential for determining proper lighting levels in buildings, outdoor spaces, and industrial environments, ensuring adequate visibility and safety.

Multiplier

1

Offset

0

Foot-Candle

ft*c, fc

Definition

The Foot-Candle is an imperial unit of illuminance, representing the illuminance produced by a standard candle at a distance of one foot. It is equivalent to approximately 10.76 lux and is commonly used in countries that employ the imperial system for lighting measurements.

History/Origin

Developed in the United States and other countries using imperial units as a practical measure of illumination. It was based on the light output of a standard candle at a distance of one foot, providing an intuitive reference for lighting levels in everyday applications.

Current Use

Still widely used in the United States for architectural lighting, workplace safety standards, and general lighting applications. It provides a familiar unit for lighting professionals and is commonly referenced in building codes and lighting specifications.

Multiplier

10.764

Offset

0

Lux to Foot-Candle Conversion Table

Lux [lx] Foot-Candle [ft*c, fc]
1 lx 0.092903 ft*c, fc
10 lx 0.92903 ft*c, fc
25 lx 2.322576 ft*c, fc
50 lx 4.645152 ft*c, fc
100 lx 9.290304 ft*c, fc
0 lx 0E+0 ft*c, fc
-10 lx -0.92903 ft*c, fc
-40 lx -3.716122 ft*c, fc