Lumen
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Switch cd/m² to lm
Lumen Unit Table
A list of units symbol and data.
From lmTo cd/m²All conversion
1 lm1 cd/m²
2 lm2 cd/m²
3 lm3 cd/m²
4 lm4 cd/m²
5 lm5 cd/m²
6 lm6 cd/m²
7 lm7 cd/m²
8 lm8 cd/m²
9 lm9 cd/m²
10 lm10 cd/m²
Description

Lumen (lm): Measuring Luminous Flux

The lumen is the SI unit of luminous flux, quantifying the total amount of visible light emitted by a source per unit of time. One lumen is defined as the luminous flux emitted within a unit solid angle (one steradian) by a point source with a uniform luminous intensity of one candela. This unit is crucial for evaluating the overall brightness of light sources, such as bulbs and LEDs.

In practical terms, lumens provide a direct measure of a light source's output, enabling consumers and professionals to assess and compare the brightness of different lighting products. Higher lumen values indicate greater light output, which is essential for applications requiring specific illumination levels, from residential lighting to commercial and industrial settings.

Candela per Square Meter (cd/m²): Standard Unit of Luminance

Candela per square meter is the SI unit of luminance, measuring the luminous intensity emitted or reflected from a surface in a given direction per unit area. This unit is commonly used to describe the brightness of displays, screens, and illuminated surfaces, providing a standardized measure for evaluating visual performance.

In practical applications, cd/m² values are critical for calibrating monitors, televisions, and other display devices to ensure consistent brightness and image quality. Accurate luminance measurements contribute to visual comfort, energy efficiency, and compliance with industry standards in various sectors, including consumer electronics, broadcasting, and lighting design.

Complete list of conversion for Lumen
Lumen (lm)

1 Lumen = 1 Candela

Convert 2 lm → cd

1 Lumen = 1 Candlepower

Convert 2 lm → cp

1 Lumen = 1 Lux

Convert 2 lm → lx

1 Lumen = 0.09290312990644656 Footcandle

Convert 2 lm → fc

1 Lumen = 0.0001 Phot

Convert 2 lm → ph

1 Lumen = 1 Candela per square meter

Convert 2 lm → cd/m²

1 Lumen = 1 Nit

Convert 2 lm → nt

1 Lumen = 0.0001 Stilb

Convert 2 lm → sb

1 Lumen = 0.0003141592653587727 Lambert

Convert 2 lm → L

1 Lumen = 0.2918635079290997 Footlambert

Convert 2 lm → fL

1 Lumen = 1 Lumen second

Convert 2 lm → lm·s

1 Lumen = 1 Lux second

Convert 2 lm → lx·s

1 Lumen = 1 Rayleigh

Convert 2 lm → R