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Apostilb to Foot-lambert

Convert Apostilb to Foot-lambert and get the exact value instantly.

1 asb = 0.09290304 fL

About this conversion

To convert Apostilb to Foot-lambert, multiply the number of Apostilb by 0.09290304.

Luminance — how bright a surface looks — is measured in candelas per square metre, marketed as nits for displays, with older stilb, lambert and foot-lambert units in optics.

Conversion table

Apostilb (asb)Foot-lambert (fL)
1 asb0.09290304 fL
2 asb0.18580608 fL
5 asb0.4645152 fL
10 asb0.9290304 fL
100 asb9.290304 fL

How to use this converter

  1. Enter your Apostilb value

    Type any number into the Apostilb field. It starts at 1 so you can read the rate straight away.

  2. Read the Foot-lambert result

    The amount in Foot-lambert updates as you type, so there is no button to press and nothing to wait for.

  3. Swap or keep exploring

    Use the swap control to flip the direction, or pick a related conversion from the list below.

Frequently asked

How many Foot-lambert are in one Apostilb?
One Apostilb equals 0.09290304 fL. Enter any amount above to get an exact figure for your own value.
Is this converter accurate?
Yes. It uses the exact international definition of each unit and computes on your device, so the only rounding is for display.
Do you upload the numbers I enter?
No. The Apostilb to Foot-lambert conversion runs entirely in your browser tab, and nothing you type is sent to a server.
Does it work on my phone?
Yes. It runs in any modern mobile browser and keeps working offline once the page has loaded.

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