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=J.Calculatingboard Feetlinear feetsquare feetV/,%f3TED 126
Spring 2007
Board Feet"Board Feet" is a measurement of lumber volume.
A board foot is equal to 144 cubic inches of wood.
Actually it's easy to calculate using the following formula:
Bd. Ft. = T (inches) x W (inches) x L (feet) / 12
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Board FeetWhen you are figuring up board feet, keep in mind a waste factor.
If you purchase good clear material add about 15% for waste,
if you elect to use lower grade material you will have to allow for defects and more wasted material add about 30%. Z
Board Feetk
Bd. Ft. = T (inches) x W (inches) x L (feet) / 12
Bd. Ft. = T (inches) x W (inches) x L (inches) / 144
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Board Feet and Linear feet*
1A linear foot is a measure of length 12 inches long and a
board foot is a number calculated by determining the volume of a board that is 12 inches wide and 1 inch thick.
In other words, a 1" x 6" board that measures 24" long is exactly one board foot.
(width" x thickness" x length' / 12) S3
++Board Feet and Linear feet*
4To convert linear feet to board feet: Thickness x Width x Length 12
To convert board feet to linear feet:
12 Thickness x Width x Board Foot q*f3f3
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f3f3'Linear feet and Square Feet:f3A Linear Feet is just a measurement of length and does not take into account its width or thickness.
Square Feet measures area, simply width x length. t9f3
The math& ."
f3It is not possible to convert linear footage into square footage because a linear foot is only one dimension and a square foot is two dimensions,
and additionally, a "board foot" is an example of three dimensions.
However, if you know the linear footage as well as the width, you can divide the width by 12 and multiply by the linear footage  that should give you the square footage of a particular bundle of flooring.
To convert square feet to linear feet:square feet / width of board in feet = linear feet Z
2
Square Foot"f3SQUARE FOOTAGE A unit of measurement to determine that total amount of flooring required for a given area. It is how much surface a milled wood product will cover.
In practice, calculate by multiplying the length times the width of the space.
For the purpose of determining the amount of square footage per width in a given flooring bundle,
calculate by dividing the width of the flooring by 12 and then multiplying be the total linear footage (length of layers x number of layers)." ZZ9"1
@Materials& "
f3Plywood, hardboard, particle board and other sheet material are sold by the Square foot.
Moldings, trim, dowel rods, wood siding / paneling and similar materials are sold by the Linear foot. *
f3
?Siding example& "f3Redwood Siding and paneling is sold by the linear (or lineal) foot. Your quantity requirements are calculated by multiplying the square foot area by a factor based on the siding width.
A) Calculate the square footage in walls: length x height = sq. ft. B) Calculate, and then subtract, the square footage of openings C) Add 10% to cover trim and waste D) Multiply the result by the factor for lineal feet
For example: If you are paneling four walls 8 feet high by 40 feet long with 1x6" Tongue and Groove redwood siding and we allow 10% of the total square feet for openings, you would need approximately 33003400 linear feet:
4 * 8 * 40 = 1280 SQ FT  128 (10% openings) + 115 (10% trim/waste) = 1267 SQ FT * 2.67 linear factor = 3383 LFT
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TED 126 .@Arial. 2
Spring 2007
.Dr. John Kallis feet square feetBoard FeetBoard FeetBoard FeetBoard Feet and Linear feetBoard Feet and Linear feetLinear feet and Square FeetThe math.Square FootMaterialsSiding exampleFonts UsedDesign Template
Slide Titlesh(HPXDr. J. R. Kallis TED126Oh+'0h
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