Table 6.

Mass conversion factors and their sources used to derive the average applied to bricks.

Source	unit brick [kg]
[126] (China)	3.20
[112] (UK)	2.77
[71]	2.50
[73]	4.20
[25]	2.75
[25]	2.50
[91] (South Africa)	3.60
[111] (USA)	1.80
[37] (Nepal)	2.00
[37] (Bangladesh)	3.50
[110] (India)	2.22
[37] (India)	3.00
Average factor used	2.84