The label on the wood you are purchasing states the “nominal” size of the wood. Actual size is always slightly smaller. The nominal value refers to the dimension to which the wood was sawn. If a 2×4 is cut from a log, it’s 2″x4″. Once the board is dried and planed it will take on its actual size of 1 1/2″x3 1/2″. 11
What is the difference between nominal size and actual size?
The nominal size is the size you see printed on the side of your air filter. It is derived from actual size rounded to the nearest whole inch.
What does nominal size mean?
The measurement. In manufacturing, a nominal or trade size is a name size used for identification only. The nominal size may not correspond to any dimension of the product, but within the range of this product, the nominal size may correspond to a large number of highly standardized dimensions and tolerances.
What does nominal mean for lumber?
Timber sizes are usually given in nominal dimensions. Nominal dimensions are a slab size before it has been planed smooth (planed) on all 4 sides. Actual measurements are final size.
What does nominal mean in edit?
The nominal size is the base size to which tolerances are applied. We often use common sizes for the nominal size. A nominal dimension is not necessarily within tolerance. When we say 1/2 inch thread, we mean nominal 1/2 inch. fifteen