Convert 2 Lumen to Phot - Light

Lumen

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Lumen Unit Table

A list of units symbol and data.
From lm	To ph	All conversion
1 lm	0.0001 ph
2 lm	0.0002 ph
3 lm	0.0003 ph
4 lm	0.0004 ph
5 lm	0.0005 ph
6 lm	0.0006 ph
7 lm	0.0007 ph
8 lm	0.0008 ph
9 lm	0.0009 ph
10 lm	0.001 ph

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.

Phot (ph): CGS Unit of Illuminance

The phot is a unit of illuminance in the centimeter-gram-second (CGS) system, where one phot equals 10,000 lux. Although it is not commonly used in modern applications, the phot provides a historical reference point for high-intensity lighting measurements, particularly in scientific research and specialized fields.

While the SI unit lux has largely supplanted the phot, familiarity with this unit can be beneficial when interpreting older scientific literature or working within specific contexts where CGS units are still in use. Recognizing the conversion between phot and lux ensures accurate understanding and communication of illuminance values.

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