Convert Blondel to Candela per Square Foot
Convert blondels to candelas per square foot by entering a value below.
How to Convert Blondels to Candelas per Square Foot
The blondel and candela per square foot are both units of luminance. 1 candela per square foot equals 33.815821888 blondels. This means to convert blondels to candelas per square foot, you divide by 33.815821888.
Formula
Step-by-Step Example
Convert 5 blondel to candelas per square foot:
We need to convert blondels to candelas per square foot
Since 1 cd/ft² = 33.815821888 blondel, divide by 33.815821888
5 ÷ 33.815821888 = 0.1478597804
5 blondel = 0.1478597804 cd/ft²
Blondel to Candela per Square Foot Conversion Table
Quick reference table for common blondel to candela per square foot conversions. Click any value for detailed calculation.
| Blondels (blondel) | Candelas per Square Foot (cd/ft²) |
|---|---|
| 1 blondel | 0.0295719561 cd/ft² |
| 2 blondel | 0.0591439122 cd/ft² |
| 5 blondel | 0.1478597804 cd/ft² |
| 10 blondel | 0.2957195609 cd/ft² |
| 15 blondel | 0.4435793413 cd/ft² |
| 20 blondel | 0.5914391218 cd/ft² |
| 25 blondel | 0.7392989022 cd/ft² |
| 50 blondel | 1.4785978045 cd/ft² |
| 100 blondel | 2.9571956089 cd/ft² |
About These Units
Blondel (blondel)
The blondel is identical to the apostilb, equal to 1/π cd/m² ≈ 0.318 nits. Named after French physicist André Blondel. Represents the luminance of a perfect Lambertian diffuser illuminated by 1 lux. Rarely used; apostilb is the preferred term.
Candela per Square Foot (cd/ft²)
Candelas per square foot (cd/ft²) is the imperial luminance unit equal to 10.76 nits. Used occasionally in US architectural lighting. One cd/ft² ≈ 3.14 foot-lamberts. Not commonly used; foot-lamberts preferred in US practice.
Frequently Asked Questions
How do I convert blondels to candelas per square foot?
To convert blondels to candelas per square foot, divide the value by 33.815821888. For example, 10 blondel = 0.2957195609 cd/ft².
How many candelas per square foot are in 1 blondel?
1 blondel equals 0.0295719561 candelas per square foot.
What is the formula for blondels to candelas per square foot?
The formula is: cd/ft² = blondel ÷ 33.815821888.