Number of square meters in wall thickness					Number per cubic meter
	Enter m2	result in pieces		result in pieces		m3	Enter m3	result in pieces
1 NF		0	12 cm wall			0		0
1,92 NF		0	12 cm wall	0	25 cm wall	0		0
3,85 NF		0	25 cm wall			0		0
6 NF		0	19 cm wall	0	25 cm wall	0		0
25 N+F		0	25 cm wall			0		0
37 I N+F		0	37 cm wall			0		0