What does candela per square foot measure?

It measures the luminous intensity emitted or reflected by a surface per unit area of one square foot, indicating apparent brightness.

Why convert candela/square foot to lambert?

This conversion helps compare luminance values between imperial-based and CGS-based measurement systems, especially for optical and photographic applications.

Is lambert an SI unit?

No, lambert is a non-SI CGS unit and has mostly been replaced by SI luminance units, but it remains in use for some legacy and specialized contexts.

How to Convert from Candela/square foot to Lambert [L]

Convert luminance values from candela per square foot to lambert with an easy-to-use online tool. Understand practical uses in optical engineering, cinema, and lighting design.

Candela/square foot

Lambert [L]

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

Candela/square foot to Lambert [L] Conversion Table

Candela/square foot	Lambert [L]

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.

Candela/square foot to Lambert [L] Conversion Table
Candela/square foot	Lambert [L]

Explore More Luminance Units Converter

What Is This Tool?

This converter transforms luminance measurements from candela per square foot, an imperial unit, into lambert, a CGS-based non-SI luminance unit. It supports users working across different photometric standards.

How to Use This Tool?

Enter the luminance value measured in candela per square foot
Select candela/square foot as the source unit and lambert as the target unit
Initiate the conversion process to see the result in lamberts
Use the converted value for comparison, analysis, or technical documentation

Key Features

Converts luminance values between candela/square foot and lambert units
Supports applications in optical engineering, cinematography, and lighting design
Provides precise conversion using the fixed rate between units
Allows interpretation of legacy photometric data alongside modern units
User-friendly interface suitable for quick luminance conversions

Examples

5 candela/square foot converts to approximately 0.0169 lambert
10 candela/square foot converts to approximately 0.0338 lambert

Common Use Cases

Specifying and measuring display and monitor brightness in imperial contexts
Calibrating projector and cinema screen luminance levels
Assessing lighting design and signage standards using square-foot units
Converting older CGS photometric measurements to evaluate surface brightness
Optical engineering and photographic printing brightness specification

Tips & Best Practices

Ensure the correct units are selected before converting to avoid errors
Use this converter when working with legacy or mixed unit datasets
Cross-check converted values when integrating with SI-based measurements
Be mindful that lambert is largely deprecated and primarily used in specialized applications
Document the original unit alongside the converted value for clarity

Limitations

Candela per square foot and lambert originate from different unit systems (imperial vs CGS) which may complicate direct comparisons
Lambert is a non-SI unit and is mostly replaced by SI units in modern practice
Use of lambert is generally limited to legacy data or specialized fields
Interpretation alongside SI units requires caution due to fundamental unit differences

Frequently Asked Questions

What does candela per square foot measure?: It measures the luminous intensity emitted or reflected by a surface per unit area of one square foot, indicating apparent brightness.
Why convert candela/square foot to lambert?: This conversion helps compare luminance values between imperial-based and CGS-based measurement systems, especially for optical and photographic applications.
Is lambert an SI unit?: No, lambert is a non-SI CGS unit and has mostly been replaced by SI luminance units, but it remains in use for some legacy and specialized contexts.

Key Terminology

Candela per square foot: A non-SI unit expressing luminous intensity per square foot, commonly used where area is measured in square feet.
Lambert: A non-SI CGS luminance unit equal to 1/π candela per square centimetre, used for self-luminous or diffusing surfaces.
Luminance: A measure of the luminous intensity per unit area of light traveling in a given direction, indicating surface brightness.

Quick Knowledge Check

Which unit is used to express luminance in an imperial measurement?

Lambert

Candela per square foot

Candela per square centimetre

The lambert unit belongs to which measurement system?

SI system

CGS system

Imperial system

What is the primary reason for converting candela/square foot to lambert?

To convert to SI units

To compare luminance between imperial and CGS units

To measure luminance in candela

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