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

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

From Lambert

To Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

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

Conversion Formula

1 L = 0 W/(cm²·sr)

1 W/(cm²·sr) = 2145.708 L

Example

Convert 15 L to W/(cm²·sr):

15 L = 15 × 0 W/(cm²·sr) = 0.007 W/(cm²·sr)

Unit Information

Learn about the luminance units you're converting between

Lambert

Definition

The Lambert is a non-SI unit of luminance named after Johann Heinrich Lambert, equal to 3183.0988618379 candela per square meter. It is used in some specialized applications and provides an alternative way to express luminance values in certain technical contexts.

History/Origin

Named after the Swiss mathematician and physicist Johann Heinrich Lambert, this unit was developed as part of early photometric systems. It has historical significance in the development of photometry and is still used in some specialized applications and older technical literature.

Current Use

Used in some specialized photometric applications and historical contexts. Occasionally found in older technical specifications and certain branches of lighting science where traditional units are still preferred or required for compatibility with existing systems.

Multiplier

3183.099

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