What is the foot-lambert unit used for?

Foot-lambert is an imperial luminance unit used to measure brightness emitted or reflected from surfaces, commonly applied in cinema screen brightness and home-theater calibration.

Why convert foot-lambert to candela per square centimeter?

Converting to candela per square centimeter helps specify luminance for small, high-intensity emitting display areas, useful in display engineering and instrumentation.

Is candela per square centimeter a standard SI unit?

No, candela per square centimeter is a non-SI derived metric unit, primarily used for small emitting areas rather than large surfaces.

How to Convert from Foot-lambert [fL] to Candela/square centimeter?

Learn how to convert luminance values from foot-lambert (fL), an imperial unit commonly used in cinema and projection, to candela per square centimeter, a metric unit ideal for small high-intensity displays and emitting surfaces.

Foot-lambert [fL]

Candela/square centimeter

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Foot-lambert [fL] to Candela/square centimeter Conversion Table

Foot-lambert [fL]	Candela/square centimeter

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

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Interval

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Foot-lambert [fL] to Candela/square centimeter Conversion Table
Foot-lambert [fL]	Candela/square centimeter

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What Is This Tool?

This unit converter allows you to transform luminance measurements from foot-lambert, an imperial luminance unit often used for screens and projection systems, into candela per square centimeter, a non-SI unit useful for specifying brightness of small emitting areas.

How to Use This Tool?

Enter the luminance value measured in foot-lamberts into the input field.
Select foot-lambert as the source unit if not preselected.
Choose candela per square centimeter as the target unit.
Click the convert button to get the equivalent luminance in candela/cm².
Use the result to specify brightness for small emitting display surfaces or instrumentation.

Key Features

Converts luminance from foot-lambert [fL] to candela per square centimeter
Suitable for cinema, home theater, and display engineering applications
Uses established conversion factor based on physical unit definitions
Supports precise translation between imperial and metric luminance units
Browser-based and straightforward to use

Examples

10 foot-lamberts = 0.003426259 candela per square centimeter
100 foot-lamberts = 0.03426259 candela per square centimeter

Common Use Cases

Specifying and measuring brightness of cinema and home-theater projection screens
Calibrating and designing projection systems with imperial unit specifications
Determining luminance of small, high-intensity display elements like camera viewfinders and LED indicators
Evaluating luminance for CRT phosphors, OLED subpixels, and other compact emitting surfaces
Characterizing brightness of instrument panels or surgical and inspection lamps with small emitting areas

Tips & Best Practices

Ensure correct unit selection to avoid conversion errors between imperial and metric systems.
Use this unit converter primarily for small-area luminance measurements, where candela per square centimeter is practical.
Consider the context of application, especially in cinema and display calibration, before interpreting results.
Be aware that conversion involves approximate factors due to unit definitions.
Cross-check values for precision when exact SI compliance is necessary.

Limitations

Conversion between imperial and non-SI metric units may not align with strict SI requirements.
Candela per square centimeter is uncommon for large-area luminance and is best suited to small emitting surfaces.
Rounding in the conversion factor and measurement differences may affect precision.
The tool does not account for specific measurement variability or environmental factors.

Frequently Asked Questions

What is the foot-lambert unit used for?: Foot-lambert is an imperial luminance unit used to measure brightness emitted or reflected from surfaces, commonly applied in cinema screen brightness and home-theater calibration.
Why convert foot-lambert to candela per square centimeter?: Converting to candela per square centimeter helps specify luminance for small, high-intensity emitting display areas, useful in display engineering and instrumentation.
Is candela per square centimeter a standard SI unit?: No, candela per square centimeter is a non-SI derived metric unit, primarily used for small emitting areas rather than large surfaces.

Key Terminology

Foot-lambert [fL]: An imperial unit of luminance quantifying luminous intensity emitted or reflected from a surface per unit area in a given direction; equals roughly 1/π candela per square foot.
Candela per square centimeter: A non-SI derived metric unit expressing luminous intensity emitted per unit area, commonly used for small, high-intensity emitting surfaces.
Luminance: A measure of luminous intensity per unit projected area of a surface in a specified direction.

Quick Knowledge Check

What does one foot-lambert approximately equal in candela per square meter?

About 3.426 candela/m²

Exactly 10 candela/m²

Approximately 0.00034 candela/m²

Which unit is best suited for describing luminance of small emitting surfaces?

Foot-lambert

Candela per square centimeter

Candela per square foot

Where is foot-lambert often used?

Display engineering for small LEDs

Cinema screen brightness and home-theater calibration

Instrument panels with compact emitting areas

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