Foot-Candle to Lux Conversion

Convert between Foot-Candle and Lux quickly and accurately.

From Foot-Candle

ft*c, fc

To Lux

How to Convert Foot-Candle to Lux

Conversion Formula

1 ft*c, fc = 10.764 lx

1 lx = 0.093 ft*c, fc

Example

Convert 15 ft*c, fc to lx:

15 ft*c, fc = 15 × 10.764 lx = 161.459 lx

Unit Information

Learn about the illumination units you're converting between

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

Lux

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

Offset