Board Feet and Cost
Find the total Board Feet for the following
boards: 2x4x16, 2x10x18 and 2x12x20.
What is the total cost at $275 per Mbm*?
*Per thousand Board Foot measure
KEYSTROKE
o o
2 x 4 x 1 6 b μ
2 x 1 0 x 1 8 b μ
2 x 1 2 x 2 0 b μ
® ®
x 2 7 5 Ç •
Carpentry — Calculating Number
of Studs
Find the number of 16-Inch On-Center
studs needed for an 18 Feet 7-1/2 Inch
wall.
KEYSTROKE
1. Divide Length by spacing:
o o
1 8 f 7 i 1 / 2
÷ 1 6 i =
2. Add one for the end:
+ 1 =
Note: Also applies to trusses and joists.
P
R
OCKET
EFERENCE
P-MD 10.66667
P-MD 30.
P-MD 40.
P-MD 80.66667
18
PIES
G
UIDE
DISPLAY
$ 22.
DISPLAY
7-1/2
PULG
13.96875
(14 studs)
14.96875
(15 studs)
— 22
0.
M
M
M
18
0.