Measurement

Round Timber



Explanation:

always take measures at (length : 2)

 

Sawn Timber

Explanation (unedged):

always take measures at (length : 2)
thickness < 35 mm: width = S1
thickness >= 35 mm: width = (S1 + S2) : 2

Formula (edged and unegded):
cbm = (thickness * width) * length

 

Conversion Table U.S. inches/Metric millimeters

inches
mm 		1/32
0.8		 1/16
1.6		 3/32
2.4 		1/8
3.2 		5/32
4.0 		3/16
4.8
inches
mm 		1/4
6.4 		5/16
7.9 		3/8
9.5 		7/16
11.1 		1/2
12.7 		9/16
14.3
inches
mm 		5/8
15.9 		11/16
17.5 		3/4
19.1 		13/16
20.6 		7/8
22.2 		15/16
23.8
inches
mm 		1
25.4 		1-1/8
28.6 		1-1/4
31.8 		1-1/2
38.1 		1-3/4
44.5 		2
50.8
inches
mm  		2-1/4
57.2 		2-1/2
63.5 		3
76.2 		4
101.6 		5
127.0 		6
152.4