Candela Square Meter Converter
Convert Candela Square Meter to Lumen Sq Cm Steradian and more • 19 conversions
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Unit Explanations
Candela per Square Metercd/m²
Source UnitThe candela per square meter (cd/m²), commonly referred to as 'nits', is a derived unit of luminance in the International System of Units (SI). It quantifies the luminous intensity emitted by a surface in a given direction per unit area. Specifically, it defines how much light is emitted from a surface that has a luminous intensity of one candela and covers an area of one square meter. This unit is crucial in fields such as photography, display technology, and lighting design, as it allows for the assessment of brightness and visual comfort. The concept of luminance is fundamental in understanding how light interacts with surfaces and affects human perception. It plays a vital role in optimizing lighting conditions and evaluating the performance of displays and lighting fixtures in various environments.
Current Use
The candela per square meter is widely used across various industries, including electronics, automotive, architecture, and photography. In the electronics industry, it is crucial for evaluating display brightness in televisions, computer monitors, and smartphones, influencing consumer choices and design standards. In the automotive sector, luminance standards ensure that dashboard displays and exterior lights meet safety regulations. Architectural lighting design relies on cd/m² to create visually appealing environments while ensuring adequate illumination levels. In photography, achieving the correct luminance is essential for proper exposure and image quality. Countries such as the United States, Germany, and Japan have adopted this unit in their standards for light measurement, contributing to a global understanding of luminance.
Fun Fact
The term 'nit' is derived from the Latin word 'nitere', meaning 'to shine'.
Lumen per Square Centimeter per Steradianlm/cm²/sr
Target UnitThe lumen per square centimeter per steradian (lm/cm²/sr) is a derived unit of measurement that quantifies luminous intensity distributed over a surface area, normalized per unit solid angle. It indicates how much luminous flux (measured in lumens) is emitted from a surface per square centimeter and per steradian, which is a unit of measure for solid angles. This unit is particularly useful in fields such as photometry and lighting design where understanding the concentration of light in a specific area and direction is crucial. The lumen, being the SI unit of luminous flux, when divided by the area in square centimeters and the solid angle in steradians, provides a comprehensive understanding of light distribution and intensity in three-dimensional space.
Current Use
The lumen per square centimeter per steradian is widely used in various industries that require precise measurements of light intensity and distribution. In the lighting industry, designers and engineers utilize this unit to assess and optimize lighting layouts for buildings, ensuring that adequate illumination is achieved in all areas. In the field of photography, understanding the distribution of light helps photographers manage exposure settings effectively. Moreover, in medical imaging technologies, such as endoscopy, accurate measurements of light intensity are crucial for image clarity and detail. The automotive industry also employs this unit to evaluate headlight brightness and beam distribution, ensuring safety and compliance with regulations. Furthermore, research institutions use this measurement in studies related to photobiology, investigating how light affects plant growth and human health. Countries like the United States and those within the European Union rely on this unit to meet specific lighting standards and regulations, ensuring safety and efficiency in both public and private spaces.
Fun Fact
The lumen is defined based on the sensitivity of the human eye to light, demonstrating the relationship between light and human perception.
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= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
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Candela per Square Meter
luminance • Non-SI
Definition
The candela per square meter (cd/m²), commonly referred to as 'nits', is a derived unit of luminance in the International System of Units (SI). It quantifies the luminous intensity emitted by a surface in a given direction per unit area. Specifically, it defines how much light is emitted from a surface that has a luminous intensity of one candela and covers an area of one square meter. This unit is crucial in fields such as photography, display technology, and lighting design, as it allows for the assessment of brightness and visual comfort. The concept of luminance is fundamental in understanding how light interacts with surfaces and affects human perception. It plays a vital role in optimizing lighting conditions and evaluating the performance of displays and lighting fixtures in various environments.
History & Origin
The candela per square meter originated from the need to measure light's visual impact on surfaces. In the early 20th century, the understanding of light properties and their effects on human vision was still developing. The International Commission on Illumination (CIE) conducted extensive research to define standards for various light measurements. The candela, established as the SI base unit of luminous intensity in 1979, became integral to this system. The derivation of luminance from the candela marked a significant step in quantifying light's interaction with surfaces, thereby enhancing the precision of lighting design and evaluation.
Etymology: The term 'candela' is derived from the Latin word for 'candle', reflecting the historical use of candles as a standard light source.
Current Use
The candela per square meter is widely used across various industries, including electronics, automotive, architecture, and photography. In the electronics industry, it is crucial for evaluating display brightness in televisions, computer monitors, and smartphones, influencing consumer choices and design standards. In the automotive sector, luminance standards ensure that dashboard displays and exterior lights meet safety regulations. Architectural lighting design relies on cd/m² to create visually appealing environments while ensuring adequate illumination levels. In photography, achieving the correct luminance is essential for proper exposure and image quality. Countries such as the United States, Germany, and Japan have adopted this unit in their standards for light measurement, contributing to a global understanding of luminance.
💡 Fun Facts
- •The term 'nit' is derived from the Latin word 'nitere', meaning 'to shine'.
- •A common household candle emits approximately 1 candela of light intensity.
- •In 2020, the global market for display luminance testing equipment was estimated to exceed $1 billion.
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Lumen per Square Centimeter per Steradian
luminance • Non-SI
Definition
The lumen per square centimeter per steradian (lm/cm²/sr) is a derived unit of measurement that quantifies luminous intensity distributed over a surface area, normalized per unit solid angle. It indicates how much luminous flux (measured in lumens) is emitted from a surface per square centimeter and per steradian, which is a unit of measure for solid angles. This unit is particularly useful in fields such as photometry and lighting design where understanding the concentration of light in a specific area and direction is crucial. The lumen, being the SI unit of luminous flux, when divided by the area in square centimeters and the solid angle in steradians, provides a comprehensive understanding of light distribution and intensity in three-dimensional space.
History & Origin
The concept of luminous intensity dates back to the early studies of light and vision, with significant developments occurring in the 19th century as scientists sought to quantify light in relation to human perception. The lumen was first defined in the early 20th century as part of the broader effort to establish standard units of measurement for light. The need for a more detailed understanding of how light interacts with surfaces and space led to the introduction of the lumen per square centimeter per steradian. This unit combines both area and solid angle to provide a more nuanced measurement relevant for industries that require precise control over lighting, such as photography, theater, and architectural design.
Etymology: The term 'lumen' is derived from the Latin word for 'light', while 'steradian' comes from the Greek words 'stereos' meaning 'solid' and 'adion' meaning 'angle'. The square centimeter is a metric unit of area, where 'centi' refers to the metric prefix denoting one hundredth.
Current Use
The lumen per square centimeter per steradian is widely used in various industries that require precise measurements of light intensity and distribution. In the lighting industry, designers and engineers utilize this unit to assess and optimize lighting layouts for buildings, ensuring that adequate illumination is achieved in all areas. In the field of photography, understanding the distribution of light helps photographers manage exposure settings effectively. Moreover, in medical imaging technologies, such as endoscopy, accurate measurements of light intensity are crucial for image clarity and detail. The automotive industry also employs this unit to evaluate headlight brightness and beam distribution, ensuring safety and compliance with regulations. Furthermore, research institutions use this measurement in studies related to photobiology, investigating how light affects plant growth and human health. Countries like the United States and those within the European Union rely on this unit to meet specific lighting standards and regulations, ensuring safety and efficiency in both public and private spaces.
💡 Fun Facts
- •The lumen is defined based on the sensitivity of the human eye to light, demonstrating the relationship between light and human perception.
- •Steradians are used to measure three-dimensional angles, unlike degrees which measure two-dimensional angles.
- •The lumen per square centimeter per steradian unit allows for precise control in lighting applications, making it critical for energy efficiency.
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