What are the actual sizes of dimensional lumber?

What are the actual sizes of dimensional lumber?

Lumber Dimensions

Nominal Actual Actual – Metric
2″ x 2″ 1-1/2″ x 1-1/2″ 38 x 38 mm
2″ x 4″ 1-1/2″ x 3-1/2″ 38 x 89 mm
2″ x 6″ 1-1/2″ x 5-1/2″ 38 x 140 mm
2″ x 8″ 1-1/2″ x 7-1/4″ 38 x 184 mm

What is actual length of 2x4x8?

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….Actual Dimensions and Nominal Dimensions.

Nominal Measurement Actual (inches) Actual (mm)
2 x 4 1-1/2 x 3-1/2 38 x 89
2 x 6 1-1/2 x 5-1/2 38 x 140
2 x 8 1-1/2 x 7-1/4 38 x 184
2 x 10 1-1/2 x 9-1/4 38 x 235

Why are lumber measurements wrong?

The “nominal” cross-section dimensions of a piece of lumber, such as 2 X 4 or 1 X 6, are always somewhat larger than the actual, or dressed, dimensions. The reason is that dressed lumber has been surfaced or planed smooth on four sides (called S4S). The nominal measurement is made before the lumber is surfaced.

Can you cut 2×4 into 1×4?

First, a 2×4 can be ripped into 1x4s safely. Best way is to make two cuts on the table saw about 1-1/2″ deep, then finish the cut on a band saw. If you don’t have a band saw, then build an extention to your table saw fence so that you have a 6″ high fence. On the first cut, go about 1-7/8″ deep.

Why does my hand saw keep getting stuck?

The wood you are sawing is closing the kerf and pinching the blade, Your cut isn’t straight, The set of the saw teeth is not large enough, so the kerf created by the blade isn’t wide enough to allow the saw room to pass without undue friction, or.