Lumen
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Switch fL to lm
Lumen Unit Table
A list of units symbol and data.
From lmTo fLAll conversion
1 lm0.2918635079290997 fL
2 lm0.5837270158581994 fL
3 lm0.8755905237872992 fL
4 lm1.1674540317163988 fL
5 lm1.4593175396454985 fL
6 lm1.7511810475745984 fL
7 lm2.0430445555036982 fL
8 lm2.3349080634327977 fL
9 lm2.6267715713618975 fL
10 lm2.918635079290997 fL
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.

Footlambert (fL): Imperial Unit of Luminance

The footlambert is a non-SI unit of luminance used primarily in the United States, particularly in the cinema and projection industries. One footlambert equals approximately 3.426 candelas per square meter. This unit measures the brightness of images projected onto screens, ensuring optimal viewing conditions in theaters and auditoriums.

Professionals in the film and display sectors rely on footlambert measurements to calibrate projection systems and maintain consistent image quality. Understanding and applying this unit is essential for achieving the desired visual experience in various viewing environments.

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