Convert Millicandela per Square Meter to Apostilb
Convert millicandelas per square meter to apostilbs by entering a value below.
How to Convert Millicandelas per Square Meter to Apostilbs
The millicandela per square meter and apostilb are both units of luminance. 1 apostilb equals 318.3098862 millicandelas per square meter. This means to convert millicandelas per square meter to apostilbs, you divide by 318.3098862.
Formula
Step-by-Step Example
Convert 5 mcd/m² to apostilbs:
We need to convert millicandelas per square meter to apostilbs
Since 1 asb = 318.3098862 mcd/m², divide by 318.3098862
5 ÷ 318.3098862 = 0.0157079633
5 mcd/m² = 0.0157079633 asb
Millicandela per Square Meter to Apostilb Conversion Table
Quick reference table for common millicandela per square meter to apostilb conversions. Click any value for detailed calculation.
| Millicandelas per Square Meter (mcd/m²) | Apostilbs (asb) |
|---|---|
| 0.1 mcd/m² | 0.0003141593 asb |
| 0.5 mcd/m² | 0.0015707963 asb |
| 1 mcd/m² | 0.0031415927 asb |
| 2 mcd/m² | 0.0062831853 asb |
| 5 mcd/m² | 0.0157079633 asb |
| 10 mcd/m² | 0.0314159265 asb |
| 25 mcd/m² | 0.0785398163 asb |
| 50 mcd/m² | 0.1570796327 asb |
| 100 mcd/m² | 0.3141592653 asb |
About These Units
Millicandela per Square Meter (mcd/m²)
A millicandela per square meter (mcd/m² or millinit) equals 0.001 nits. Used for measuring very dim displays, phosphorescent materials, and low-light conditions. Night vision display minimum: 0.1-1 mcd/m². Emergency exit signs: 30-100 mcd/m² in darkness.
Apostilb (asb)
The apostilb (asb) equals 1/π cd/m² ≈ 0.318 nits. Represents the luminance of a perfect diffuser illuminated by 1 lux. Also called blondel. One apostilb ≈ 0.0929 foot-lamberts. Useful in theoretical calculations involving diffuse reflection.
Frequently Asked Questions
How do I convert millicandelas per square meter to apostilbs?
To convert millicandelas per square meter to apostilbs, divide the value by 318.3098862. For example, 10 mcd/m² = 0.0314159265 asb.
How many apostilbs are in 1 millicandela per square meter?
1 millicandela per square meter equals 0.0031415927 apostilbs.
What is the formula for millicandelas per square meter to apostilbs?
The formula is: asb = mcd/m² ÷ 318.3098862.