18 мар. 2023 г. · The tables below provide both the nominal and actual lumber dimensions for many common North American lumber sizes. |
Lumber sizes are typically sold in nominal measurements. The nominal dimensions refer to the rough-sawn size before it is kiln-dried and planed at the sawmill. |
The table below provides some common North American Lumber nominal sizes and their equivalent actual size. |
1x4 and 1x6 boards lose 1/4 inch in thickness and 1/2 inch in width before leaving the mill. That means a 1 x 4 board is actually 3/4 inches by 3 1/2 inches. |
The calculator below will tell you how many board feet are in a piece of lumber based on its thickness, width, and length: Thickness (in inches). Width (in ... |
The following data is standard reference and size data for commercially available lumber within the USA. All data is in imperial units (Inches). |
Nominal sizes, such as 1×2 or 2×4, represent the dimensions of lumber prior to processing, which includes planing, squaring, and kiln drying. Consequently, the ... |
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