Lumen second
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Lumen second Unit Table
A list of units symbol and data.
From lm·sTo lxAll conversion
1 lm·s1 lx
2 lm·s2 lx
3 lm·s3 lx
4 lm·s4 lx
5 lm·s5 lx
6 lm·s6 lx
7 lm·s7 lx
8 lm·s8 lx
9 lm·s9 lx
10 lm·s10 lx
Description

Lumen Second (lm·s): Measuring Luminous Energy

The lumen second, also known as the talbot, is a unit of luminous energy, representing the total amount of light emitted over a period of time. It is calculated by multiplying luminous flux (in lumens) by time (in seconds). This unit is useful in applications where the duration of light exposure is significant, such as in photography, lighting design, and vision science.

By quantifying the cumulative light output, the lumen second allows for the assessment of energy usage, exposure levels, and the effectiveness of lighting systems over time. This information is crucial for optimizing performance, ensuring safety, and enhancing energy efficiency in various contexts.

Lux (lx): Assessing Illuminance Levels

Lux is the SI unit of illuminance, representing the amount of luminous flux (in lumens) incident on a surface per unit area. One lux equals one lumen per square meter. This measurement is vital for determining how well-lit a surface or area is, considering both the intensity of the light source and the distance from it.

Accurate lux measurements are essential in various fields, including architecture, photography, and occupational health, to ensure appropriate lighting conditions. For instance, recommended lux levels vary depending on the task and environment, with higher levels required for detailed work and lower levels for general areas. Monitoring and adjusting lux levels contribute to visual comfort, safety, and energy efficiency.

Complete list of conversion for Lumen second
Lumen second (lm·s)

1 Lumen second = 1 Candela

Convert 2 lm·s → cd

1 Lumen second = 1 Candlepower

Convert 2 lm·s → cp

1 Lumen second = 1 Lumen

Convert 2 lm·s → lm

1 Lumen second = 1 Lux

Convert 2 lm·s → lx

1 Lumen second = 0.09290312990644656 Footcandle

Convert 2 lm·s → fc

1 Lumen second = 0.0001 Phot

Convert 2 lm·s → ph

1 Lumen second = 1 Candela per square meter

Convert 2 lm·s → cd/m²

1 Lumen second = 1 Nit

Convert 2 lm·s → nt

1 Lumen second = 0.0001 Stilb

Convert 2 lm·s → sb

1 Lumen second = 0.0003141592653587727 Lambert

Convert 2 lm·s → L

1 Lumen second = 0.2918635079290997 Footlambert

Convert 2 lm·s → fL

1 Lumen second = 1 Lux second

Convert 2 lm·s → lx·s

1 Lumen second = 1 Rayleigh

Convert 2 lm·s → R