Lumen second
Enter a value and select units to convert.
Switch cd/m² to lm·s
Lumen second Unit Table
A list of units symbol and data.
From lm·sTo cd/m²All conversion
1 lm·s1 cd/m²
2 lm·s2 cd/m²
3 lm·s3 cd/m²
4 lm·s4 cd/m²
5 lm·s5 cd/m²
6 lm·s6 cd/m²
7 lm·s7 cd/m²
8 lm·s8 cd/m²
9 lm·s9 cd/m²
10 lm·s10 cd/m²
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.

Candela per Square Meter (cd/m²): Standard Unit of Luminance

Candela per square meter is the SI unit of luminance, measuring the luminous intensity emitted or reflected from a surface in a given direction per unit area. This unit is commonly used to describe the brightness of displays, screens, and illuminated surfaces, providing a standardized measure for evaluating visual performance.

In practical applications, cd/m² values are critical for calibrating monitors, televisions, and other display devices to ensure consistent brightness and image quality. Accurate luminance measurements contribute to visual comfort, energy efficiency, and compliance with industry standards in various sectors, including consumer electronics, broadcasting, and lighting design.

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