Board Foot worksheet

1. Total board feet: 24.75 BF

1. Find the real thickness: a board sold as 1 in is dried and planed 0.25 in thinner

   $1-0.25$$=0.75\text{\hspace{0.17em}in}$

2. Find the real width: a width sold as 6 in loses 0.5 in

   $6-0.5$$=5.5\text{\hspace{0.17em}in}$

3. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{0.75\times 5.5\times 9}{12}$$=3.09375\text{\hspace{0.17em}BF}$

4. Multiply by the number of pieces to get the total board feet

   $3.09375\times 8$$=24.75\text{\hspace{0.17em}BF}$

5. Find the cost: total board feet times the price per board foot

   $24.75\times \mathrm{\$4.00}$$=\mathrm{\$99.00}$

6. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{24.75}{12}$$=2.0625\text{\hspace{0.17em}ft³}$

2. Total board feet: 45 BF

1. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{1\times 5\times 9}{12}$$=3.75\text{\hspace{0.17em}BF}$

2. Multiply by the number of pieces to get the total board feet

   $3.75\times 12$$=45\text{\hspace{0.17em}BF}$

3. Find the cost: total board feet times the price per board foot

   $45\times \mathrm{\$3.60}$$=\mathrm{\$162.00}$

4. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{45}{12}$$=3.75\text{\hspace{0.17em}ft³}$

3. Total board feet: 70 BF

1. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{1\times 6\times 10}{12}$$=5\text{\hspace{0.17em}BF}$

2. Multiply by the number of pieces to get the total board feet

   $5\times 14$$=70\text{\hspace{0.17em}BF}$

3. Find the cost: total board feet times the price per board foot

   $70\times \mathrm{\$6.60}$$=\mathrm{\$462.00}$

4. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{70}{12}$$=5.833333\text{\hspace{0.17em}ft³}$

4. Total board feet: 93.333 BF

1. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{2\times 7\times 10}{12}$$=11.666667\text{\hspace{0.17em}BF}$

2. Multiply by the number of pieces to get the total board feet

   $11.666667\times 8$$=93.333333\text{\hspace{0.17em}BF}$

3. Find the cost: total board feet times the price per board foot

   $93.333333\times \mathrm{\$4.90}$$=\mathrm{\$457.33}$

4. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{93.333333}{12}$$=7.777778\text{\hspace{0.17em}ft³}$

5. Total board feet: 19.25 BF

1. Find the real thickness: a board sold as 1 in is dried and planed 0.25 in thinner

   $1-0.25$$=0.75\text{\hspace{0.17em}in}$

2. Find the real width: a width sold as 6 in loses 0.5 in

   $6-0.5$$=5.5\text{\hspace{0.17em}in}$

3. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{0.75\times 5.5\times 7}{12}$$=2.40625\text{\hspace{0.17em}BF}$

4. Multiply by the number of pieces to get the total board feet

   $2.40625\times 8$$=19.25\text{\hspace{0.17em}BF}$

5. Find the cost: total board feet times the price per board foot

   $19.25\times \mathrm{\$4.00}$$=\mathrm{\$77.00}$

6. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{19.25}{12}$$=1.604167\text{\hspace{0.17em}ft³}$

6. Total board feet: 33.75 BF

1. Find the real thickness: a board sold as 2 in is dried and planed 0.5 in thinner

   $2-0.5$$=1.5\text{\hspace{0.17em}in}$

2. Find the real width: a width sold as 3 in loses 0.5 in

   $3-0.5$$=2.5\text{\hspace{0.17em}in}$

3. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{1.5\times 2.5\times 9}{12}$$=2.8125\text{\hspace{0.17em}BF}$

4. Multiply by the number of pieces to get the total board feet

   $2.8125\times 12$$=33.75\text{\hspace{0.17em}BF}$

5. Find the cost: total board feet times the price per board foot

   $33.75\times \mathrm{\$3.00}$$=\mathrm{\$101.25}$

6. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{33.75}{12}$$=2.8125\text{\hspace{0.17em}ft³}$

7. Total board feet: 32.625 BF

1. Find the real thickness: a board sold as 1 in is dried and planed 0.25 in thinner

   $1-0.25$$=0.75\text{\hspace{0.17em}in}$

2. Find the real width: a width sold as 8 in loses 0.75 in

   $8-0.75$$=7.25\text{\hspace{0.17em}in}$

3. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{0.75\times 7.25\times 6}{12}$$=2.71875\text{\hspace{0.17em}BF}$

4. Multiply by the number of pieces to get the total board feet

   $2.71875\times 12$$=32.625\text{\hspace{0.17em}BF}$

5. Find the cost: total board feet times the price per board foot

   $32.625\times \mathrm{\$3.60}$$=\mathrm{\$117.45}$

6. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{32.625}{12}$$=2.71875\text{\hspace{0.17em}ft³}$

8. Total board feet: 32 BF

1. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{1\times 6\times 8}{12}$$=4\text{\hspace{0.17em}BF}$

2. Multiply by the number of pieces to get the total board feet

   $4\times 8$$=32\text{\hspace{0.17em}BF}$

3. Find the cost: total board feet times the price per board foot

   $32\times \mathrm{\$3.40}$$=\mathrm{\$108.80}$

4. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{32}{12}$$=2.666667\text{\hspace{0.17em}ft³}$

9. Total board feet: 31.281 BF

1. Find the real thickness: a board sold as 1 in is dried and planed 0.25 in thinner

   $1-0.25$$=0.75\text{\hspace{0.17em}in}$

2. Find the real width: a width sold as 7 in loses 0.5 in

   $7-0.5$$=6.5\text{\hspace{0.17em}in}$

3. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{0.75\times 6.5\times 7}{12}$$=2.84375\text{\hspace{0.17em}BF}$

4. Multiply by the number of pieces to get the total board feet

   $2.84375\times 11$$=31.28125\text{\hspace{0.17em}BF}$

5. Find the cost: total board feet times the price per board foot

   $31.28125\times \mathrm{\$4.60}$$=\mathrm{\$143.89}$

6. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{31.28125}{12}$$=2.606771\text{\hspace{0.17em}ft³}$

10. Total board feet: 37.5 BF

1. Find the board feet in one piece: multiply thickness and width in inches by length in feet, then divide by 12

   $\frac{1\times 5\times 9}{12}$$=3.75\text{\hspace{0.17em}BF}$

2. Multiply by the number of pieces to get the total board feet

   $3.75\times 10$$=37.5\text{\hspace{0.17em}BF}$

3. Find the cost: total board feet times the price per board foot

   $37.5\times \mathrm{\$4.00}$$=\mathrm{\$150.00}$

4. One board foot is 144 cubic inches, so 12 board feet make one cubic foot

   $\frac{37.5}{12}$$=3.125\text{\hspace{0.17em}ft³}$