Apostilb to Lumen/Square Foot/Steradian Converter

Convert → Lumen/Square Foot/Steradian to Apostilb
1 Apostilb = 0.029571956088529 Lumen/Square Foot/Steradian

How many Lumen/Square Foot/Steradian are in 1 Apostilb?

One Apostilb equals 0.029571956088529 Lumen/Square Foot/Steradian. You can also write this as 1 Apostilb = 0.029571956088529 Lumen/Square Foot/Steradian. Use the calculator to convert Apostilb to Lumen/Square Foot/Steradian instantly.
Use this Apostilb to Lumen/Square Foot/Steradian converter to change a value from Apostilb into Lumen/Square Foot/Steradian. Enter the measurement, review the result, and use the conversion when comparing values or checking a formula.
This conversion is useful when a measurement is recorded in Apostilb but a report, specification, or calculation requires Lumen/Square Foot/Steradian. The page includes the unit definitions, a worked example, and a conversion table for related units.
Use the result as a reference and check the displayed precision before copying it into technical or scientific work. The last digits may be rounded for readability.
Apostilb and Lumen/Square Foot/Steradian describe the same luminance measurement in different units. Converting between them makes values easier to compare when different unit systems are used.

How to convert Apostilb to Lumen/Square Foot/Steradian (asb to lm/ft²·sr)

To convert Apostilb to Lumen/Square Foot/Steradian, multiply by 0.029571956088529. The formula is Apostilb × 0.029571956088529 = Lumen/Square Foot/Steradian. See the example below.

1 Apostilb = 1 × 0.029571956088529 = 0.029571956088529 Lumen/Square Foot/Steradian

Apostilb is a unit of measurement for luminance. It is an outdated unit and was used to measure luminance for objects that are not self-luminous. One apostilb is equal to 0.318 candela per square meter. The symbol for Apostilb is asb.
Lumen per square foot per steradian is a unit of measurement for luminance. It is amount of light reflected from a surface area of one square foot when a light source emits a light with luminous intensity of one lumen per steradian on that surface area. The symbol for Lumen/Square Foot/Steradian is lm/ft²·sr.

How to Use Apostilb to Lumen/Square Foot/Steradian Converter

  • Select Apostilb from the first dropdown and enter the value you want to convert.
  • Choose Lumen/Square Foot/Steradian in the second dropdown to set the target unit.
  • Review the converted value in the output field.
  • Check the displayed precision before using the result in another calculation.
For another result, change the input value or either selected unit. The conversion uses the unit definitions in the calculator and formats the result for display.

Example of Apostilb to Lumen/Square Foot/Steradian Conversion

Apostilb

1

Lumen/Square Foot/Steradian

0.029571956088529

Frequently asked questions about Apostilb to Lumen/Square Foot/Steradian conversion

What does the Apostilb to Lumen/Square Foot/Steradian conversion show?
It shows the equivalent value of one unit in another unit, making it easier to compare measurements and check calculations across different scales.
When should I use a Apostilb to Lumen/Square Foot/Steradian converter?
Use it when you need to compare values, convert technical data, or switch between units used in different settings or systems.
Is this Apostilb to Lumen/Square Foot/Steradian calculator accurate?
It applies the conversion relationship used by the calculator and formats the result for display. Verify the shown precision when the value is used in technical or scientific work.

Apostilb to Lumen/Square Foot/Steradian Conversion Table

Apostilb [asb]Lumen/Square Foot/Steradian [lm/ft²·sr]Description
1 Apostilb0.029571956088529 Lumen/Square Foot/Steradian1 Apostilb = 0.029571956088529 Lumen/Square Foot/Steradian
2 Apostilb0.059143912177058 Lumen/Square Foot/Steradian2 Apostilb = 0.059143912177058 Lumen/Square Foot/Steradian
3 Apostilb0.088715868265587 Lumen/Square Foot/Steradian3 Apostilb = 0.088715868265587 Lumen/Square Foot/Steradian
4 Apostilb0.11828782435412 Lumen/Square Foot/Steradian4 Apostilb = 0.11828782435412 Lumen/Square Foot/Steradian
5 Apostilb0.14785978044265 Lumen/Square Foot/Steradian5 Apostilb = 0.14785978044265 Lumen/Square Foot/Steradian
6 Apostilb0.17743173653117 Lumen/Square Foot/Steradian6 Apostilb = 0.17743173653117 Lumen/Square Foot/Steradian
7 Apostilb0.2070036926197 Lumen/Square Foot/Steradian7 Apostilb = 0.2070036926197 Lumen/Square Foot/Steradian
8 Apostilb0.23657564870823 Lumen/Square Foot/Steradian8 Apostilb = 0.23657564870823 Lumen/Square Foot/Steradian
9 Apostilb0.26614760479676 Lumen/Square Foot/Steradian9 Apostilb = 0.26614760479676 Lumen/Square Foot/Steradian
10 Apostilb0.29571956088529 Lumen/Square Foot/Steradian10 Apostilb = 0.29571956088529 Lumen/Square Foot/Steradian
100 Apostilb2.96 Lumen/Square Foot/Steradian100 Apostilb = 2.96 Lumen/Square Foot/Steradian
1000 Apostilb29.57 Lumen/Square Foot/Steradian1000 Apostilb = 29.57 Lumen/Square Foot/Steradian

Apostilb to Other Units Conversion Table

ConversionDescription
1 Apostilb = 0.3183098861838 Candela/Square Meter1 Apostilb in Candela/Square Meter is equal to 0.3183098861838
1 Apostilb = 0.00003183098861838 Candela/Square Centimeter1 Apostilb in Candela/Square Centimeter is equal to 0.00003183098861838
1 Apostilb = 0.029571956088529 Candela/Square Foot1 Apostilb in Candela/Square Foot is equal to 0.029571956088529
1 Apostilb = 0.00020536080617034 Candela/Square Inch1 Apostilb in Candela/Square Inch is equal to 0.00020536080617034
1 Apostilb = 0.0003183098861838 Kilocandela/Square Meter1 Apostilb in Kilocandela/Square Meter is equal to 0.0003183098861838
1 Apostilb = 0.00003183098861838 Stilb1 Apostilb in Stilb is equal to 0.00003183098861838
1 Apostilb = 0.3183098861838 Lumen/Square Meter/Steradian1 Apostilb in Lumen/Square Meter/Steradian is equal to 0.3183098861838
1 Apostilb = 0.00003183098861838 Lumen/Square Centimeter/Steradian1 Apostilb in Lumen/Square Centimeter/Steradian is equal to 0.00003183098861838
1 Apostilb = 0.029571956088529 Lumen/Square Foot/Steradian1 Apostilb in Lumen/Square Foot/Steradian is equal to 0.029571956088529
1 Apostilb = 0.3183098861838 Nit1 Apostilb in Nit is equal to 0.3183098861838
1 Apostilb = 318.31 Millinit1 Apostilb in Millinit is equal to 318.31
1 Apostilb = 0.0001 Lambert1 Apostilb in Lambert is equal to 0.0001
1 Apostilb = 0.1 Millilambert1 Apostilb in Millilambert is equal to 0.1
1 Apostilb = 0.09291006601979 Foot-Lambert1 Apostilb in Foot-Lambert is equal to 0.09291006601979
1 Apostilb = 1 Blondel1 Apostilb in Blondel is equal to 1
1 Apostilb = 10000000 Bril1 Apostilb in Bril is equal to 10000000
1 Apostilb = 1000 Skot1 Apostilb in Skot is equal to 1000

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