Standard Wood Sizes
The nominal measurements are a boards size before it has been planed smooth surfaced on all 4 sides.
Standard wood sizes. All data is in imperial units Inches. The following data is standard reference and size data for commercially available lumber within the USA. The first two numbers 2 inches and 4 inches are nominal widths and depths for the lumber.
Wood species will determine the weight at a first place. Standard Test Methods of Static Tests of Lumber in Structural Sizes. In the United States softwood lumber is governed by the National Institute of Standards American Softwood Lumber Standard PS 20.
What does 18 mean. How wide is 12 lumber. So this example boards actual length is 8 feet.
The weight will proportionally increase or decrease depending on actual lumber measurements. Timber wood for DIY Wood working Joinery Carpentry. North American Standard 1-by Lumber.
As shown in this chart 4-bys come in nominal widths of 4 6 8 10 and 12 one foot. If your project calls for precise measurements be sure to check your lumber before purchasing. As this type of lumber gets thicker you will find fewer options for width.
The timber sizes detailed here are UK standard sizes. The lengths are an approximation of the old Imperial sizes in feet hence the 300mm increments. Even though with all variation often 34 19 mm nominal 2332 thickness tongue and groove.