Lumen
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Switch sb to lm
Lumen Unit Table
A list of units symbol and data.
From lmTo sbAll conversion
1 lm0.0001 sb
2 lm0.0002 sb
3 lm0.0003 sb
4 lm0.0004 sb
5 lm0.0005 sb
6 lm0.0006 sb
7 lm0.0007 sb
8 lm0.0008 sb
9 lm0.0009 sb
10 lm0.001 sb
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.

Stilb (sb): CGS Unit of Luminance

The stilb is a unit of luminance in the CGS system, where one stilb equals 10,000 candelas per square meter. Although it is not commonly used in contemporary applications, the stilb serves as a historical unit for measuring high-intensity luminance, particularly in scientific research and specialized fields.

While the SI unit cd/m² has largely replaced the stilb, knowledge of this unit is useful when interpreting older scientific data or working within specific contexts that utilize CGS units. Understanding the conversion between stilb and cd/m² ensures accurate communication and analysis of luminance measurements.

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