Lumen per Square Centimeter to Watt per Square Centimeter (at 555 nm) Conversion

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

lm/cm²
W/cm² (at 555 nm)

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

Conversion Formula

1 lm/cm² = 0.001 W/cm² (at 555 nm)
1 W/cm² (at 555 nm) = 683 lm/cm²

Example

Convert 15 lm/cm² to W/cm² (at 555 nm):

15 lm/cm² = 15 × 0.001 W/cm² (at 555 nm) = 0.022 W/cm² (at 555 nm)

Unit Information

Learn about the illumination units you're converting between

Lumen per Square Centimeter

lm/cm²

Definition

The Lumen per Square Centimeter is a unit of illuminance equal to 10,000 lux, representing the luminous flux per unit area using the centimeter as the area unit. It is used for measuring very high levels of illumination, particularly in concentrated light sources or small area applications.

History/Origin

Developed as part of the CGS system where smaller area units were commonly used. It provides a convenient way to express high illumination values without using very large numbers, particularly useful in scientific and technical applications.

Current Use

Used in specialized applications requiring measurement of very high illumination levels, such as laser technology, concentrated light sources, or scientific research involving intense light fields. It provides a practical scale for quantifying high-intensity illumination.

Multiplier

10000

Offset

0

Watt per Square Centimeter (at 555 nm)

W/cm² (at 555 nm)

Definition

The Watt per Square Centimeter (at 555 nm) is a unit of spectral irradiance that can be converted to illuminance at the peak sensitivity wavelength of the human eye. It represents the radiant power per unit area at 555 nm, weighted by the luminous efficacy of radiation.

History/Origin

Developed for converting between radiometric and photometric quantities at the peak sensitivity wavelength of human vision. It provides a bridge between physical light measurements and perceived brightness, using the luminous efficacy of 683 lumens per watt at 555 nm.

Current Use

Used in optical engineering, laser technology, and display characterization where the relationship between radiant power and perceived brightness is important. It allows for precise conversion from physical measurements to photometric quantities for monochromatic light sources.

Multiplier

6830000

Offset

0

Lumen per Square Centimeter to Watt per Square Centimeter (at 555 nm) Conversion Table

Lumen per Square Centimeter [lm/cm²] Watt per Square Centimeter (at 555 nm) [W/cm² (at 555 nm)]
1 lm/cm² 0.001464 W/cm² (at 555 nm)
10 lm/cm² 0.014641 W/cm² (at 555 nm)
25 lm/cm² 0.036603 W/cm² (at 555 nm)
50 lm/cm² 0.073206 W/cm² (at 555 nm)
100 lm/cm² 0.146413 W/cm² (at 555 nm)
0 lm/cm² 0E+0 W/cm² (at 555 nm)
-10 lm/cm² -0.014641 W/cm² (at 555 nm)
-40 lm/cm² -0.058565 W/cm² (at 555 nm)