Here are the common sizes of lumber and their actual sizes. That means a 2 x 4 board is actually 1 12 inches by 3 12 inches.
Lumber Actual Size Chart Awesome Making Sense Of Lumber Dimensions
How To Save Money Buying Lumber From A Distributor Instead Of A Retailer
When the board is first rough sawn from the log it is a true 2×4 but the drying process and planing of the board reduce it to the finished 15×35 size.
Dimensions of 2 x 4 lumber. If your memory is like mine and you need a little help remembering the actual dimensions of the lumber youll need for your next project then here is a quick conversion chart. Rough lumber cannot be less than than 18 32mm thicker or wider than the nominal finished thickness or width except that 20 of a shipment cannot be less than 232 24mm thicker or wider. 2x4s are not actually 2 inches by 4 inches.
Most lumber is sold in nominal in name only sizes such as 13 24 44 and2x2 lumber. Lumber dimensions in widths and thickness are 12 inch less than the size. Dimensional lumber is cut to a specific length width and depth.
See for yourself on your next trip to home depot or lowes take along a tape measure and head over to the dimensional lumber aisles. When a 24 is cut out of a log it is 2×4. Lengths of wood pieces are always referred to separately from wood dimensions such as an 8 2 x 4 two by four.
The tables below provide both the nominal and actual sizes so many common. Knowing lumber sizes in advance helps reduce waste. Dry lumber that has been seasoned or dried to a moisture content 19 or less and green lumber has a moisture content of greater than 19.
Actual dimensions wood actual dimensions goes hand in hand with nominal dimensions which is used to describe a piece of wood as it is first cut rough cut before getting planed and sanded down to its actual dimension. After the board is dried and planed it becomes its actual size of 1 12×3 12. Lumber lengths enable costs to be more precisely determined.
However there is a difference between the nominal size what the lumber is referred to and the actual size. It also standardizes milling and makes the market more competitive. A 2 by 4 actually measures 1 12 inches thick and 3 12 inches wide.
If you find reading plans and wood board sizes confusing or have trouble identifying the exact dimensions of wood at a lumberyard or home center read on.
5 4 In X 6 In X 16 Ft Solid Gray Composite Decking Board 201653
Nominal Board Size Oriented Strand Board Common 7 In X 2 Ft X Deck
Dimensions Of 2 4 Lumber Photos Of Nominal Size 2 4 Dimensional