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Apostilb to Lambert

Convert Apostilb to Lambert and get the exact value instantly.

1 asb = 0.0001 L

About this conversion

To convert Apostilb to Lambert, multiply the number of Apostilb by 0.0001.

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)Lambert (L)
1 asb0.0001 L
2 asb0.0002 L
5 asb0.0005 L
10 asb0.001 L
100 asb0.01 L

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 Lambert result

    The amount in 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 Lambert are in one Apostilb?
One Apostilb equals 0.0001 L. 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 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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