2X10 Actual Size. Softwood lumber sizes (pine, spruce, fir) nominal dimensions actual sizes in inches measurements in milliliters; The larger 2x boards (2×10, 2×8, etc.) lost 3/4 inches of their width.

Lumber can be purchased as dry or green, where dry lumber has been seasoned or dried to a moisture content of 19% or less. Awc created the notion of 2×10 equivalency ( go here for some background on the politics of awc and nahb ). 1 1/2 x 9 1/4

1 X 10.75 X 9.25:

The larger 2x boards (2×10, 2×8, etc.) lost 3/4 inches of their width. At this point, the 2 x 4 is actually 2 inches x 4 inches, a 2 x 10 is actually 2 inches x 10 inches, etc. 5/8 inch (16 mm) 9/16 inch (14 mm) 4/4 inch:

1 1/2 X 3 1/2 2X6:

A nominal 2×4 board starts out 1.56 in. (link is external) (new section in the 2015 irc r302.13. A piece of 1 x 4 pine, for example, actually measures 3/4 inch thick and 3 1/2 inch wide, while a 2 x 4.

Our Lumber Weight Chart Below Covers All Of These.

Green lumber is any lumber whose. On your next trip to home depot or lowes, take along a tape measure and head over to the dimensional lumber aisles. Actual measurements of dimension lumber nominal size actual size 2 x 8 1 1/2 x 7 1/4 inches (38 x 184 mm) 2 x 10 1 1/2 x 9 1/4 inches (38 x 235 mm) 2 x 12 1 1/2 x 11 1/4 inches (38 x 286 mm) 4 x 4 3 1/2 x 3 1/2 inches (89 x 89 mm).

Something Doesn't Quite Match Up.

1 x 6.75 x 5.5: 1 1/8 inch (29 mm) 1 1/16 inch (27 mm) 6/4 inch:. 1 1/2 x 9 1/4:

The Same Is The Case For 1×4, 2×4 And 4×4, Etc.

If boards will be kiln dried after milling, they start their lives sized 1.62 in. The nominal size is employed when discussing lumber nearly 100% of the time! A piece of surfaced (sanded smooth) 2×4 lumber actually measures 1½ inches thick and 3½ inches wide.