Crafters

4x4

4x4: the real dimensions behind the nominal name and the lengths it is sold in.

All lumber sizes
Category
timber
Actual thickness (in)
3.5 in
Actual width (in)
3.5 in
Actual size
3-1/2 x 3-1/2
Common lengths (ft)
6, 8, 10, 12 (and 16 for dimension lumber)
Notes
A nominal 4x4 softwood board measures 3-1/2 x 3-1/2 in after drying and surfacing on four sides (S4S).
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Nearby in lumber sizes18 of 24