How To Compute Board Feet Of Lumber

Go here to find out. A single board foot is equivalent to 1 square foot of lumber that is 1 inch thick meaning it has a length of 12 inches a width of 12 inches and a thickness of 1 inch. We also have a listing of the most common dimensions of lumber and their equivilent board foot measurement.
how to compute board feet of lumber

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A board foot is a piece of lumber 1 foot 12 inches long 1 foot wide and 1 inch thick which is equal to 144 cubic inches.

How to compute board feet of lumber. Dont know what board feet are. Then divide the total by 144 for the total board footage of a given board. Computation of board foot. If there is a specific project calling for a certain amount of wood youll need to know how many trees to remove.

We sell most of our lumber by the board foot. L x w x t 144. For instance if the two boards above were oak and you know that the lumberyard charges 18 per board foot for oak in the first example above the cost for the board in the first example should be 90 5 bf x 18 per bf 90. What is a board foot.

A single board foot of lumber measures 1 inch thick 12 inches wide and 12 inches long. By definition one board foot of lumber is one square foot that is one inch thickif you would like to convert regular volume units into board feet use the following relation. The formula for calculating board feet is first to multiply thickness by width by length in inches. By definition a board foot is one square foot one inch thick.

While it may seem confusing its actually pretty easy to calculate how many board feet of lumber. This board foot calculator is a free to use tool for converting your dimensions into board feet the standard of measurement in the lumber industry. For the love of physics walter lewin may 16 2011 duration. Board feet is a measurement of the volume of lumber often used by wholesalers and sawmills in canada and the united states.

If you know the board feet measurement of each board and you know how much the lumberyard charges per board foot you can determine the appropriate cost for that board. Board feet calculations and tables provide estimates only and may under or over estimate the usable board feet from the actual tree. The amount of lumber is expressed in terms of board feet. Simply input your dimensions and click calculate.

A board foot is actually a measure of volume. Unlike square footage the board footage is a measurement of volumeit is used when purchasing multiple boards of lumber in various sizes. If all dimensions are expressed in inches the amount in board feet is equal to. Properly managed trees are a renewable resource.

Lectures by walter lewin. To calculate board footage use the following formulas.