Watt per Square Centimeter Steradian (at 555 nm) to Apostilb Conversion

Convert between Watt per Square Centimeter Steradian (at 555 nm) and Apostilb quickly and accurately.

From Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

To Apostilb

asb

How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Apostilb

Conversion Formula

1 W/(cm²·sr) = 21457077.823 asb

1 asb = 5E-8 W/(cm²·sr)

Example

Convert 15 W/(cm²·sr) to asb:

15 W/(cm²·sr) = 15 × 21457077.823 asb = 321856167.344 asb

Unit Information

Learn about the luminance units you're converting between

Watt per Square Centimeter Steradian (at 555 nm)

W/(cm²·sr)

Definition

The Watt per Square Centimeter Steradian at 555 nm is a radiometric unit of luminance that measures radiant power per unit area and solid angle at the peak sensitivity wavelength of the human eye. It is used for precise photometric calculations and laser applications.

History/Origin

This unit was developed for applications requiring precise conversion between radiometric and photometric quantities. The 555 nm wavelength corresponds to the peak sensitivity of the human eye, making it ideal for accurate photometric measurements and laser safety calculations.

Current Use

Used in laser safety, precision photometry, and applications requiring exact conversion between radiometric and photometric units. Essential for laser power measurements, optical system design, and safety calculations where precise luminance values are critical.

Multiplier

6830000

Offset

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

Watt per Square Centimeter Steradian (at 555 nm) to Apostilb Conversion Table

Watt per Square Centimeter Steradian (at 555 nm) [W/(cm²·sr)]	Apostilb [asb]
1 W/(cm²·sr)	21457077.8229259998 asb
10 W/(cm²·sr)	214570778.2292560041 asb
25 W/(cm²·sr)	536426945.5731409788 asb
50 W/(cm²·sr)	1072853891.146281004 asb
100 W/(cm²·sr)	2145707782.2925629616 asb
0 W/(cm²·sr)	0E+0 asb
-10 W/(cm²·sr)	-214570778.2292560041 asb
-40 W/(cm²·sr)	-858283112.9170249701 asb

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Watt per Square Centimeter Steradian (at 555 nm) to Apostilb

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Quick Tip

Fun fact: be aware of different luminance measurement systems

Did You Know?

Unit Types:

Watt per Square Centimeter Steradian (at 555 nm) and Apostilb are both luminance

Conversion:

Convert between Watt per Square Centimeter Steradian (at 555 nm) and Apostilb

Precision:

Use appropriate decimal places for accuracy

Related Conversions

Watt per Square Centimeter Steradian (at 555 nm) to Blondel

Blondel to Apostilb

Watt per Square Centimeter Steradian (at 555 nm) to Bril

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Apostilb to Watt per Square Centimeter Steradian (at 555 nm)

Watt per Square Centimeter Steradian (at 555 nm) to Apostilb Conversion

How to Convert Watt per Square Centimeter Steradian (at 555 nm) to Apostilb

Conversion Formula

Example

Unit Information

Watt per Square Centimeter Steradian (at 555 nm)

Definition

History/Origin

Current Use

Multiplier

Offset

Apostilb

Definition

History/Origin

Current Use

Multiplier

Offset

Watt per Square Centimeter Steradian (at 555 nm) to Apostilb Conversion Table

Related Conversions

Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Meter

Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Centimeter

Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Foot

Watt per Square Centimeter Steradian (at 555 nm) to Candela per Square Inch

Watt per Square Centimeter Steradian (at 555 nm) to Kilocandela per Square Meter

Watt per Square Centimeter Steradian (at 555 nm) to Stilb

Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Meter Steradian

Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Centimeter Steradian

Watt per Square Centimeter Steradian (at 555 nm) to Lumen per Square Foot Steradian

Watt per Square Centimeter Steradian (at 555 nm) to Nit

Watt per Square Centimeter Steradian (at 555 nm) to Millinit

Watt per Square Centimeter Steradian (at 555 nm) to Lambert

Watt per Square Centimeter Steradian (at 555 nm) to Millilambert

Watt per Square Centimeter Steradian (at 555 nm) to Foot-Lambert

Watt per Square Centimeter Steradian (at 555 nm) to Apostilb

Watt per Square Centimeter Steradian (at 555 nm) to Blondel

Watt per Square Centimeter Steradian (at 555 nm) to Bril

Watt per Square Centimeter Steradian (at 555 nm) to Skot

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