Apostilb to Candela per Square Inch Conversion

Convert between Apostilb and Candela per Square Inch quickly and accurately.

From Apostilb

asb

To Candela per Square Inch

cd/in²

How to Convert Apostilb to Candela per Square Inch

Conversion Formula

1 asb = 0 cd/in²

1 cd/in² = 4869.478 asb

Example

Convert 15 asb to cd/in²:

15 asb = 15 × 0 cd/in² = 0.003 cd/in²

Unit Information

Learn about the luminance units you're converting between

Apostilb

asb

Definition

The Apostilb is a non-SI unit of luminance equal to 0.3183098862 candela per square meter. It is used in some specialized applications and provides an alternative way to express low luminance values in certain technical contexts.

History/Origin

This unit was developed as part of early photometric systems and is still used in some specialized applications. It provides a convenient way to express low luminance values and is occasionally found in technical specifications and measurement systems.

Current Use

Used in specialized photometric applications and certain technical contexts where traditional units are preferred. Occasionally found in older technical specifications and specialized measurement systems where non-SI units are still used.

Multiplier

0.318

Offset

Candela per Square Inch

cd/in²

Definition

The Candela per Square Inch is an imperial unit of luminance, representing the luminous intensity per unit area using the square inch as the area unit. It is used for measuring very bright light sources and small-area displays.

History/Origin

This unit was developed for applications requiring precise measurement of small, bright light sources where square inches provide a more appropriate area reference. It is particularly useful in electronics and display technology where component sizes are measured in inches.

Current Use

Commonly used in electronics manufacturing, small display technology, and precision lighting applications. Essential for measuring LED arrays, small screens, and compact light sources where square inch measurements are standard.

Multiplier

1550.003

Offset