Convert blondel to candela/square metre

Vice Versa: candela/square metre to blondel

Blondel

The blondel is a unit of luminance, equivalent to the apostilb, named after the French engineer André Blondel. One blondel equals 1/π candela per square metre (approximately 0.3183 cd/m²). The term apostilb is preferred in modern usage.

Candela/Square Metre

The candela per square metre (cd/m²) is the SI unit of luminance, measuring the luminous intensity per unit area of light travelling in a given direction. It is also known as the nit. It is used to characterise the brightness of display screens and other light sources.

Blondel to Candela/Square Metre conversion table

Blondel	Candela/Square Metre	Candela/Square Metre	Blondel
1	0.31831	1	3.14159
2	0.63662	2	6.28319
3	0.95493	3	9.42478
5	1.59155	5	15.708
10	3.1831	10	31.4159
20	6.3662	20	62.8319
25	7.95775	25	78.5398
50	15.9155	50	157.08
100	31.831	100	314.159
250	79.5775	250	785.398
500	159.155	500	1570.8
1000	318.31	1000	3141.59

How to convert Blondel to Candela/Square Metre

1 blondel = 0.31831 cd/m². To convert any value, multiply it by 0.31831. For example, 25 blondel = 7.95775 cd/m².

Frequently asked questions

How many cd/m² are there in one blondel?: One blondel is equal to 0.31831 cd/m².
How do you convert Blondel to Candela/Square Metre?: Multiply the value in Blondel by 0.31831 to get the result in Candela/Square Metre.
How much is 25 blondel in cd/m²?: 25 blondel is equal to 7.95775 cd/m².
How do you convert Candela/Square Metre back to Blondel?: Divide by the same factor: multiply the value in Candela/Square Metre by 3.14159 to get Blondel.