how to calculate board feet in a log
How many board feet is in a log?
How Much Lumber is in a Log?
| The board-foot contents of logs according to the International 1/4 Rule | ||
|---|---|---|
| Diameter of log small end, inside bark | Length of log (feet) | |
| 12 inches | 45 | 70 |
| 13 inches | 55 | 85 |
| 14 inches | 65 | 100 |
•
Aug 3, 2011
What is the formula for calculating board feet?
For instance a 2 x 6 also equals one board foot for each foot of length. Board footage is calculated by multiplying the nominal thickness in inches (T) by the nominal width in inches (W) by the actual length in feet (L) and dividing by 12. The formula is: T x W x L = Board ft.
How do you calculate wood logs?
Volume of Wood
The cubic feet, or volume, of a cylindrical log is given by the volume of a cylinder V=πhr2. A log with radius of 2 feet and height of 10 feet would have a volume of about 125.66 cubic feet (or ft3).
How many board feet are in a 2x4x10?
6.66667
A 2x4x10 board has 6.66667 total board feet in it: the board foot factor (BFF) of a 2×4 is 0.666667.
How do I calculate board feet in Excel?
Here is the relationship:
- 1 board foot = 144 cubic inches = 1/12 cubic foot.
- Board foot formula = length * width * thickness.
- board foot = length(ft) * width(in) * thickness(in) / 144.
- board foot = length(ft) * width(ft) * thickness(in) / 12.
How many board feet are in a 1×8?
0.67 bd. ft
1” x 8” x 1′ = 0.67 bd. ft. 1” x 10” x 1′ = 0.83 bd. ft.
What area is 200 board feet?
200 square feet
A 600 board foot kit will cover 600 square feet at 1 inch thickness or 300 square feet at 2 inches thick; a 200 board foot kit will cover 200 square feet at 1 inch thickness, and so on.
How do you calculate board feet in lumber in the Philippines?
The formula is (Width x length x thickness) / 144.
What is a 4 4 board?
A “quarter” system is commonly used in the hardwood lumber industry when referring to thickness. 4/4 refers to a 1 inch thick board, 6/4 is 1-1/2 inch, 8/4 is 2 inches, and so on. Quarter Size.
What is a board foot of timber?
A board foot is a wood measurement for a piece of lumber 12″ wide by 1′ long by 1″ thick for estimating purposes. Board foot, or board feet, is commonly abbreviated as FBM, BDFT, or BF.
What is a board foot of lumber?
1. Hardwood lumber is typically sold by the board foot, a unit of volume equivalent to a board that is one inch thick, one foot wide and one foot long, or 144 cubic inches.
How thick is a decking board?
NOTE: Standard boards are often called a 5/4 board when referring to traditional lumber, which means the actual thickness is typically somewhere between 1” and 1 ¼”. Thicker boards are often called a 2 x 6 when referring to traditional lumber, which means the actual thickness is somewhere between 1.2” and 1.5”.
Why is it called 5 4 board?
It simply refers to how many 1/4-inches thick the rough stock is. For example, 4/4 (read out loud as four-quarters) is 1-in. thick in the rough. 5/4 is 1-1/4-in.
What does S3S mean in lumber?
Surfaced Three Sides
Surfaced Three Sides: S3S
It stands for “Surfaced Three Sides”, which, as used in Goosebay’s hardwood lumber descriptions, indicates that two faces have been planed, and one edge has been processed with a straight-line rip saw, rendering the edge straight and smooth.
How do you measure a deck board?
The first step for answering “how to calculate how much decking I need” is to determine your deck’s square footage, or area, by taking the length of your deck times the width (L x W). EXAMPLE: For a deck that is 16 feet long and 12 feet wide, multiply 16 by 12. This gives you 192 square feet, your deck’s total area.
What is a standard deck board size?
Common deck board widths are 4”, 6” and 8”. The widths are readily available in most lumber or building supply stores, and the number of pieces easily calculated into deck dimensions. Other widths may be used for aesthetics and effect.
How many decking boards do I need for a 10×10 deck?
For a 10×10 square deck, you would therefore need twenty-two 10′ deck boards. Dimensions for deck boards can vary depending on the look you want and the deck board type you use. However, the most common is a 5/4” thick by 6” wide deck board of any length.
How do you stagger deck boards?
A common method for staggering a deck is to start the first row with a full plank, then cut one-third of the next row’s first board off the end. The row after that has an additional one-third cut off and then repeat when you get back to a full board.
How many deck boards do I need for a 12×12 deck?
For example, a 12-foot x 12-foot deck of 5/4 x 6 pressure treated wood decking on 16 inches on center spacing of joists will require: A 12-foot long deck with joists 16 inches on center will require 10 joists. 20 fasteners x 26 (number of rows of decking) = 520 fasteners. Add 10 percent to be safe.
How do I figure out how many boards I need?
A single board foot is one square foot of wood that is one inch thick. You can measure board feet by multiplying length x width x thickness in inches, and then dividing by 144. If ordering a large amount by board feet, just multiply the total board feet needed by the price per board foot for the total cost.
Should you stagger boards on a deck?
Staggering the deck boards decreases the number of screws or nails going into one joist, which can weaken or rot the joist more quickly. Staggering the joints strengthens the deck by spreading the seams across more joists instead of placing the stress on only one.
What is the proper spacing between deck boards?
Proper deck board spacing should have a 1/8-inch gap after the decking has dried out. If you install your decking using wet boards, pressure-treated decking that has not yet dried out, then you should install them with no gap as a gap will be created as they dry and shrink. Deck spacing isn’t anything to take lightly.