Luminance
Browse Luminance conversions1 apostilb = 0.029572 candela per square foot
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Formula Summary
Result: 1 apostilb = 0.029572 candela per square foot
Formula: (1 x 0.318309886184) / 10.76391041671
Rounding: Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
Real World Context
0.029572 candela per square foot is approximately:
- on the scale of very dim instrument or dashboard markings viewed at night
Unit Story
Apostilb
The apostilb is an older luminance unit equal to one divided by pi candelas per square meter.
How This Conversion Works
Apostilb and candela per square foot are both used for luminance conversions. This page converts 1 apostilb into 0.029572 candela per square foot using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 apostilb (asb) equals 0.3183098862 candela per square meter.
- 1 candela per square foot (cd/ft2) equals 10.7639104167 candela per square meter.
Questions
How do you convert apostilb to candela per square foot?
This page converts apostilb to candela per square foot using this formula: (1 x 0.318309886184) / 10.76391041671.
What is 1 apostilb in candela per square foot?
1 apostilb equals 0.029572 candela per square foot.
How many decimals does this converter show?
Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
Nearby Values
Full Details
- Formula
- (1 x 0.318309886184) / 10.76391041671
- Rounding
- Displayed to 6 decimal places by default, trimmed for readability. Use Detailed or Scientific for more precision.
- Assumption
- Luminance describes luminous intensity per projected area. Display and surface examples are broad references because calibration, viewing conditions, measurement method, and peak versus sustained output affect real values.
