Lumen second
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Lumen second Unit Table
A list of units symbol and data.
From lm·sTo lx·sAll conversion
1 lm·s1 lx·s
2 lm·s2 lx·s
3 lm·s3 lx·s
4 lm·s4 lx·s
5 lm·s5 lx·s
6 lm·s6 lx·s
7 lm·s7 lx·s
8 lm·s8 lx·s
9 lm·s9 lx·s
10 lm·s10 lx·s
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 Second (lx·s): Unit of Luminous Exposure

The lux second is a unit of luminous exposure that quantifies the cumulative amount of light (illuminance) received by a surface over a specific duration. It is derived by multiplying illuminance, measured in lux, by the time in seconds. This metric is vital in scientific research and industries where both the intensity and duration of light exposure matter, such as photography, photobiology, and lighting engineering.

For photographers and lighting designers, understanding lux seconds helps determine the proper lighting duration for optimal exposure. In biological research, it aids in quantifying light therapy doses or assessing plant light exposure in controlled environments. This unit bridges the gap between instantaneous light measurement and long-term exposure, supporting better accuracy in light-related assessments.

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