What does lumen/sq. meter/steradian represent?

It measures luminance as luminous intensity emitted or reflected from a surface per unit projected area and solid angle, expressed in lumens per square meter per steradian.

Where is candela per square inch commonly used?

Candela per square inch is often used in photometric and display engineering, including brightness specifications for CRTs, avionics displays, and small luminous indicators.

How to Convert from Lumen/sq. meter/steradian to Candela/square inch?

Q: Why convert lumen/sq. meter/steradian to candela/square inch?

This conversion helps translate luminance values between SI units and imperial area units, enabling compatibility across different display technologies and photometric applications.

Convert luminance measurements from lumen per square meter per steradian to candela per square inch accurately using this unit converter, suitable for display and photometric applications.

Lumen/sq. meter/steradian

Candela/square inch

Please check your input. It must be a valid numeric value.

Lumen/sq. meter/steradian to Candela/square inch Conversion Table

Lumen/sq. meter/steradian	Candela/square inch

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. meter/steradian to Candela/square inch Conversion Table
Lumen/sq. meter/steradian	Candela/square inch

Explore More Luminance Units Converter

What Is This Tool?

This tool converts luminance values from lumen per square meter per steradian, an SI unit measuring luminous intensity per projected area and solid angle, into candela per square inch, an imperial unit representing luminous intensity per square inch area. It helps translate brightness measurements between different unit systems used in photometry and display engineering.

How to Use This Tool?

Enter the luminance value in lumen per square meter per steradian
Select lumen/sq. meter/steradian as the input unit
Choose candela/square inch as the output unit
Click the convert button to get the result in candela per square inch

Key Features

Converts luminance from lumen/sq. meter/steradian to candela/square inch
Useful for display brightness and photometric measurements
Browser-based and easy to use
Supports unit translation between SI and imperial area units
Includes illustrative conversion examples

Examples

10 lumen/sq. meter/steradian equals 0.0064516 candela/square inch
500 lumen/sq. meter/steradian equals 0.32258 candela/square inch

Common Use Cases

Specifying brightness for monitors, smartphones, and TVs in photometric terms
Measuring and comparing luminance of CRTs and early flat-panel displays
Assessing brightness of instrument panels and automotive backlights
Photometric characterization in lighting and signage engineering
Calibration in photometric testing laboratories

Tips & Best Practices

Ensure input and output units are correctly selected before conversion
Understand the difference between area units when interpreting results
Use consistent directional and solid angle assumptions for luminance
Check calibration and measurement methods to ensure accuracy
Apply conversion thoughtfully when comparing devices rated with different units

Limitations

Conversion accounts for different area units, requiring careful interpretation
Assumes uniform luminance over the measured surface
Variation in measurement setups can influence precision
Directional assumptions affect luminance validity
Conversion is linear but depends on consistent photometric conditions

Frequently Asked Questions

Why convert lumen/sq. meter/steradian to candela/square inch?: This conversion helps translate luminance values between SI units and imperial area units, enabling compatibility across different display technologies and photometric applications.
What does lumen/sq. meter/steradian represent?: It measures luminance as luminous intensity emitted or reflected from a surface per unit projected area and solid angle, expressed in lumens per square meter per steradian.
Where is candela per square inch commonly used?: Candela per square inch is often used in photometric and display engineering, including brightness specifications for CRTs, avionics displays, and small luminous indicators.

Key Terminology

Lumen/sq. meter/steradian: A unit of luminance representing luminous intensity per unit projected area per unit solid angle, equivalent to candela per square meter.
Candela/square inch: A luminance unit measuring luminous intensity emitted or reflected per square inch of surface area.
Luminance: The measure of luminous intensity emitted or reflected from a surface in a given direction per projected area and solid angle.

Quick Knowledge Check

What does lumen/sq. meter/steradian measure?

Luminous flux per unit area

Luminance as luminous intensity per projected area per solid angle

Brightness over a square inch

Why might you convert lumen/sq. meter/steradian to candela/square inch?

To change brightness into luminous flux

To translate luminance units between SI and imperial systems

To convert between volume and area units

Which application commonly uses candela per square inch?

Photometric calibration in laboratories

Brightness specification of device screens like CRTs

Calculating total luminous flux

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