Lux to Lumen per Square Foot Conversion

Convert between Lux and Lumen per Square Foot quickly and accurately.

From Lux

To Lumen per Square Foot

lm/ft²

How to Convert Lux to Lumen per Square Foot

Conversion Formula

1 lx = 0.093 lm/ft²

1 lm/ft² = 10.764 lx

Example

Convert 15 lx to lm/ft²:

15 lx = 15 × 0.093 lm/ft² = 1.394 lm/ft²

Unit Information

Learn about the illumination units you're converting between

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

Lumen per Square Foot

lm/ft²

Definition

The Lumen per Square Foot is an imperial unit of illuminance equal to approximately 10.76 lux, representing the luminous flux per square foot. It is commonly used in countries employing the imperial system for lighting design and illuminance measurements.

History/Origin

Developed in countries using imperial units as a practical measure of illuminance. It provides a familiar reference for lighting professionals working with imperial measurements and is commonly used in architectural lighting and building design.

Current Use

Widely used in the United States and other imperial-system countries for lighting design, architectural applications, and general illuminance measurements. It provides a practical unit for lighting professionals and is commonly referenced in building codes and lighting standards.

Multiplier

10.764

Offset