What does one kilocandela per square meter represent?

It indicates 1000 candelas per square meter, measuring the luminous intensity emitted or reflected from a surface area in a given direction.

Why is the blondel unit considered obsolete?

Blondel was used in early 20th-century photometry but has been replaced by the SI unit candela per square meter for modern measurements.

When should I convert kilocandela/square meter to blondel?

Conversions are primarily useful for interpreting historical photometric data or comparing current measurements with legacy lighting standards.

How to Convert from Kilocandela/square meter to Blondel

Learn how to convert luminance values from kilocandela per square meter to the obsolete unit blondel. Understand the definitions, use cases, and conversion process between these photometric units.

Kilocandela/square meter

Blondel

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

Kilocandela/square meter to Blondel Conversion Table

Kilocandela/square meter	Blondel

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.

Kilocandela/square meter to Blondel Conversion Table
Kilocandela/square meter	Blondel

Explore More Luminance Units Converter

What Is This Tool?

This converter allows you to change luminance measurements from kilocandela per square meter to blondel. It’s designed for interpreting historic photometric data or comparing modern luminance values to legacy units.

How to Use This Tool?

Enter the luminance value in kilocandela per square meter
Select kilocandela/square meter as the source unit and blondel as the target unit
Click the convert button to see the result in blondel
Use the converted value to compare modern measurements with historical data

Key Features

Converts luminance values between kilocandela/square meter and blondel
Includes definitions of both units and their historical context
Provides examples to demonstrate the conversion process
Supports analysis of vintage lighting standards and photometry literature

Examples

Convert 2 kilocandela/square meter to blondel: equals 6283.1853071796 blondel
Convert 0.5 kilocandela/square meter to blondel: equals 1570.7963267949 blondel

Common Use Cases

Specifying peak brightness levels for HDR displays and televisions
Defining luminance for automotive head-up displays and instrument panels
Setting brightness criteria for outdoor LED signs and billboards
Comparing modern luminance data with historical photometric reports
Restoring or analyzing lighting systems measured with older units

Tips & Best Practices

Always verify the units before converting to ensure accurate interpretation
Use this converter mainly when dealing with archival or historical photometry data
Remember that blondel is an outdated unit, so modern applications typically use candela per square meter
Cross-check conversions when working with legacy lighting standards for consistency

Limitations

Blondel is obsolete and seldom used in modern photometry
Conversion precision can be affected by rounding due to the fixed conversion factor
Modern standards rely on candela per square meter, limiting blondel's practical relevance

Frequently Asked Questions

What does one kilocandela per square meter represent?: It indicates 1000 candelas per square meter, measuring the luminous intensity emitted or reflected from a surface area in a given direction.
Why is the blondel unit considered obsolete?: Blondel was used in early 20th-century photometry but has been replaced by the SI unit candela per square meter for modern measurements.
When should I convert kilocandela/square meter to blondel?: Conversions are primarily useful for interpreting historical photometric data or comparing current measurements with legacy lighting standards.

Key Terminology

Kilocandela per square meter: A unit measuring luminance equal to 1000 candelas per square meter, indicating luminous intensity from a surface area.
Blondel: An obsolete photometric unit of luminance named after engineer André Blondel, replaced by candela per square meter in modern usage.
Luminance: The measure of luminous intensity emitted or reflected from a surface per unit projected area in a specified direction.

Quick Knowledge Check

Which unit is currently standard for measuring luminance?

Blondel

Candela per square meter

Kilocandela

What does one kilocandela per square meter equal in blondel?

3141.59 blondel

1000 blondel

1 blondel

Why might someone convert kilocandela/square meter to blondel?

To interpret vintage photometric data

To prepare modern display specs

To measure outdoor billboard brightness

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