Candela per Square Inch to Apostilb Conversion

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

cd/in²
asb

How to Convert Candela per Square Inch to Apostilb

Conversion Formula

1 cd/in² = 4869.478 asb
1 asb = 0 cd/in²

Example

Convert 15 cd/in² to asb:

15 cd/in² = 15 × 4869.478 asb = 73042.175 asb

Unit Information

Learn about the luminance units you're converting between

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

0

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

0

Candela per Square Inch to Apostilb Conversion Table

Candela per Square Inch [cd/in²] Apostilb [asb]
1 cd/in² 4869.478352 asb
10 cd/in² 48694.783518 asb
25 cd/in² 121736.958794 asb
50 cd/in² 243473.917589 asb
100 cd/in² 486947.8351770001 asb
0 cd/in² 0E+0 asb
-10 cd/in² -48694.783518 asb
-40 cd/in² -194779.134071 asb