HARDWOOD LUMBER
CONVERSION CHART
HARDWOOD LUMBER
CONVERSION CHART
4/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
0.33334 |
3 |
5″ |
0.41667 |
2.4 |
6″ |
0.5 |
2 |
7″ |
0.58334 |
1.715 |
8″ |
0.66667 |
1.5 |
9″ |
0.75 |
1.334 |
10″ |
0.83334 |
1.2 |
11″ |
0.91667 |
1.0909 |
12″ |
1 |
1 |
13″ |
1.08333 |
0.92308 |
14″ |
1.16667 |
0.85715 |
15″ |
1.25 |
0.8 |
5/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
0.41667 |
2.4 |
5″ |
0.52084 |
1.92 |
6″ |
0.625 |
1.6 |
7″ |
0.72916 |
1.37 |
8″ |
0.83334 |
1.2 |
9″ |
0.9375 |
1.067 |
10″ |
1.04167 |
0.96 |
11″ |
1.14583 |
0.873 |
12″ |
1.25 |
0.8 |
13″ |
1.35417 |
0.73846 |
14″ |
1.45833 |
0.69565 |
15″ |
1.5625 |
0.64 |
6/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
0.5 |
2 |
5″ |
0.625 |
1.6 |
6″ |
0.75 |
1.33333 |
7″ |
0.875 |
1.1429 |
8″ |
1 |
1 |
9″ |
1.125 |
0.88889 |
10″ |
1.25 |
0.8 |
11″ |
1.375 |
0.728 |
12″ |
1.5 |
0.66666 |
13″ |
1.625 |
0.61539 |
14″ |
1.75 |
0.57143 |
15″ |
1.875 |
0.53333 |
8/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
0.66667 |
1.5 |
5″ |
8.3334 |
1.2 |
6″ |
1 |
1 |
7″ |
1.16667 |
0.857 |
8″ |
1.33334 |
0.75 |
9″ |
1.5 |
0.66667 |
10″ |
1.66667 |
0.6 |
11″ |
1.83332 |
0.5455 |
12″ |
2 |
0.5 |
13″ |
2.16667 |
0.46154 |
14″ |
2.3333 |
0.42857 |
15″ |
2.5 |
0.4 |
10/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
0.83333 |
1.2 |
5″ |
1.04167 |
0.96 |
6″ |
1.25 |
0.8 |
7″ |
1.45833 |
0.6857 |
8″ |
1.66667 |
0.6 |
9″ |
1.875 |
0.53333 |
10″ |
2.08334 |
0.48 |
11″ |
2.29167 |
0.43637 |
12″ |
2.5 |
0.4 |
13″ |
2.70833 |
0.36923 |
14″ |
2.19667 |
0.34286 |
15″ |
3.125 |
0.32 |
12/4 Lumber
Board Width |
Board Feet (Multiplier) |
Reciprocal (Divisor) |
4″ |
1 |
1 |
5″ |
1.25 |
0.8 |
6″ |
1.5 |
0.66667 |
7″ |
1.75 |
0.57143 |
8″ |
2 |
0.5 |
9″ |
2.25 |
0.44444 |
10″ |
2.5 |
0.4 |
11″ |
2.75 |
0.36364 |
12″ |
3 |
0.33333 |
13″ |
3.25 |
0.30769 |
14″ |
3.5 |
0.28571 |
15″ |
3.75 |
0.26667 |