Foot-Lambert to Watt per Square Centimeter Steradian (at 555 nm) Conversion

Convert between Foot-Lambert and Watt per Square Centimeter Steradian (at 555 nm) quickly and accurately.

From Foot-Lambert

To Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

How to Convert Foot-Lambert to Watt per Square Centimeter Steradian (at 555 nm)

Conversion Formula

1 fL = 5E-7 W/(cm²·sr)

1 W/(cm²·sr) = 1993427.759 fL

Example

Convert 15 fL to W/(cm²·sr):

15 fL = 15 × 5E-7 W/(cm²·sr) = 0 W/(cm²·sr)

Unit Information

Learn about the luminance units you're converting between

Foot-Lambert

Definition

The Foot-Lambert is an imperial unit of luminance equal to 3.4262590996 candela per square meter. It is commonly used in display technology and lighting applications in countries that employ imperial measurement systems.

History/Origin

This unit was developed as an imperial equivalent to the lambert, using square feet as the area unit. It provides a practical way to measure luminance in contexts where imperial units are standard, particularly in display technology and lighting applications.

Current Use

Widely used in display technology, particularly in the United States, for specifying monitor brightness, television luminance, and other display characteristics. Common in consumer electronics specifications and lighting applications where imperial units are standard.

Multiplier

3.426

Offset

Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

Definition

The Watt per Square Centimeter Steradian at 555 nm is a radiometric unit of luminance that measures radiant power per unit area and solid angle at the peak sensitivity wavelength of the human eye. It is used for precise photometric calculations and laser applications.

History/Origin

This unit was developed for applications requiring precise conversion between radiometric and photometric quantities. The 555 nm wavelength corresponds to the peak sensitivity of the human eye, making it ideal for accurate photometric measurements and laser safety calculations.

Current Use

Used in laser safety, precision photometry, and applications requiring exact conversion between radiometric and photometric units. Essential for laser power measurements, optical system design, and safety calculations where precise luminance values are critical.

Multiplier

6830000

Offset