What does lumen/sq. cm/steradian measure?

It quantifies luminance as luminous flux per square centimeter per steradian, indicating luminous intensity per area for very small or bright light sources.

What industries benefit from this unit conversion?

Display manufacturing, optical engineering, cinema and theater screen calibration, and lighting design commonly use this conversion.

How to Convert from Lumen/sq. cm/steradian to Candela/square foot?

Q: Why convert from lumen/sq. cm/steradian to candela/square foot?

This conversion translates metric small-area luminance measurements into imperial units commonly used in display brightness and lighting applications.

Learn how to convert luminance values from lumen per square centimeter per steradian (lumen/sq. cm/steradian) to candela per square foot (cd/ft²) with practical examples and usage tips for optical and lighting applications.

Lumen/sq. cm/steradian

Candela/square foot

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Lumen/sq. cm/steradian to Candela/square foot Conversion Table

Lumen/sq. cm/steradian	Candela/square foot

Custom Unit Conversion Table Generator – Instant Printable Conversion Tables

Start Value

Enter the starting number (positive decimal or integer ≥ 0). Example: 0.1, 1, 5.

End Value

Enter the ending number (positive decimal or integer > Start Value). Example: 10, 50, 100.

Interval

Enter the step size (positive decimal > 0 and < End Value – Start Value). Example: 1.0, 2.5.

Lumen/sq. cm/steradian to Candela/square foot Conversion Table
Lumen/sq. cm/steradian	Candela/square foot

Explore More Luminance Units Converter

What Is This Tool?

This unit converter allows you to translate luminance measurements between lumen per square centimeter per steradian and candela per square foot. It is useful for converting high-brightness, small-area photometric units to imperial-based luminance values common in display and lighting industries.

How to Use This Tool?

Enter the luminance value in lumen per square centimeter per steradian
Select the target unit as candela per square foot
Click convert to obtain the equivalent luminance value in candela/square foot

Key Features

Converts luminance units between lumen/sq. cm/steradian and candela/square foot accurately
Supports measurements relevant to optical design, display brightness, and lighting assessments
Provides clear conversion rates and easy-to-use calculation steps suitable for technical and practical use cases

Examples

Converting 2 lumen/sq. cm/steradian results in approximately 1858.0608 candela/square foot
Converting 0.5 lumen/sq. cm/steradian results in approximately 464.5152 candela/square foot

Common Use Cases

Characterizing brightness of micro-LED or OLED emitters and very small, high-intensity light sources
Measuring and specifying display and monitor brightness in regions that use imperial units
Calibrating cinema and theater projection screen luminance and assessing lighting designs requiring square-foot area units

Tips & Best Practices

Ensure consistent unit system usage by understanding when to use SI-based lumen/sq. cm/steradian versus imperial cd/ft²
Use this conversion for precise optical and photometric designs involving small-area light sources or high-intensity measurements
Double-check calculations when working across different measurement scales to maintain accuracy

Limitations

The original unit lumen/sq. cm/steradian suits small or intense sources, whereas candela/square foot is for larger surfaces with imperial units
Converting between these units may require adjusting for differences in measurement scale and unit system conventions

Frequently Asked Questions

What does lumen/sq. cm/steradian measure?: It quantifies luminance as luminous flux per square centimeter per steradian, indicating luminous intensity per area for very small or bright light sources.
Why convert from lumen/sq. cm/steradian to candela/square foot?: This conversion translates metric small-area luminance measurements into imperial units commonly used in display brightness and lighting applications.
What industries benefit from this unit conversion?: Display manufacturing, optical engineering, cinema and theater screen calibration, and lighting design commonly use this conversion.

Key Terminology

Lumen/sq. cm/steradian: A photometric luminance unit representing luminous flux per square centimeter per steradian, equivalent to candela per square centimetre.
Candela/square foot: A luminance unit expressing luminous intensity per square foot, commonly used in imperial measurement contexts.
Steradian: A unit of solid angle used to express luminous intensity distribution in three-dimensional space.

Quick Knowledge Check

What is lumen/sq. cm/steradian equivalent to in candela per square centimetre?

It is equivalent to 10,000 cd/m²

It is equivalent to candela per square centimetre

It is equivalent to candela per square foot

What is one use case for candela/square foot?

Calibrating luminance meters for micro-LEDs

Measuring brightness for displays using imperial units

Designing lenses and optical systems

Why might conversions between these units require scale adjustment?

Because candela/square foot is for very small light sources

Because lumen/sq. cm/steradian uses SI units for small areas, unlike candela/square foot that uses imperial units for larger areas

Because both units measure the same physical quantity directly without differences

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