Table of Contents

## What is 2×6 actual size?

Nominal vs. Actual Measurements of Dimension Lumber

Nominal Size | Actual Size |
---|---|

2 x 3 | 1 1/2 x 2 1/2 inches (38 x 64 mm) |

2 x 4 | 1 1/2 x 3 1/2 inches (38 x 89 mm) |

2 x 6 | 1 1/2 x 5 1/2 inches (38 x 140 mm) |

2 x 8 | 1 1/2 x 7 1/4 inches (38 x 184 mm) |

## What is actual lumber size?

Technically, dimension lumber is defined as sawed softwood lumber from 2 to 5 inches (5 to 12.7 centimeters) thick and from 4 to 12 inches (10.2 to 30.5 centimeters) wide. The length of dimension lumber can range from 6 to 24 feet.

**Why is a 2×6 not 2×6?**

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.

**What are the actual dimensions of a 2 by 10?**

Common Dimensional Lumber Sizes

Dimensional Lumber: Nominal Size vs. Actual Size | |
---|---|

Two-by-ten or 2 x 10 | 1 1/2 inches x 9 1/4 inches |

One-by-two or 1 x 2 | 3/4-inch x 1 1/2 inches |

One-by-three or 1 x 3 | 3/4-inch x 2 1/2 inches |

One-by-four or 1 x 4 | 3/4-inch x 3 1/2 inches |

### Why is a 4×4 not 4 inches?

“Dimensional” lumber is the general name for framing lumber. Now, most timber is milled and planed to give it a little more of a finished look, and a little more of a consistent size and profile. Because of this extra milling, a 2×4 no longer measures a full 2 inches by four inches.

### How wide is a 1×4?

3 1/2 inches wide

A 1×4 measures 3/4 inch thick by 3 1/2 inches wide and a 2×4 measures 1 1/2 inch thick by 3 1/2 inches wide.

**Why is lumber 1/2 inch smaller?**

Wood is hygroscopic, so it adjusts its internal moisture to match the external moisture of its environment. Without the rough edges, what went in as a 2-by-4 planks of rough-sawn wood is now a tongue-tripping 1.5-by-3.5, having lost approximately ¼-inch on all sides to the planer and drying processes.

**What size is 2 by 1 timber?**

Machined from Sawfalling Scandinavian Whitewood Boards to approx size: 44mm x 18mm; Generally cut from FSC or PEFC Certified Softwood Pine. 2×1 Planed Softwood is ideal to use as edging, battening, framing and for timber stud-work.

#### What is the actual dimension of a 2 x 6?

“2 x 6″ = 1 1/2″ thick x 5 1/2” wide (38 mm × 140 mm) “4 x 4″ = 3 1/2″ thick x 3 1/2” wide (89 mm × 89 mm) “6 x 6″ = 5 1/2″ thick x 5 1/2” wide (140 mm × 140 mm)

#### What are the real dimensions of 2×6 lumber?

– 2×4 = 92-1/4″ – 2×4 = 104-1/4″ – 2×4 = 116-1/4″ – 2×6 = 92-1/4″ – 2×6 = 104-1/4″ – 2×6 = 116-1/4″

**What is the actual size of a 2 x 6?**

– 2 x 6 is one and one-half by five and one-half inches or 38 millimeters by 140 millimeters. – 2 x 8 is one and one-half by seven and one-fourth inches or 38 millimeters by 184 millimeters.

**What are the actual dimensions of a 2×6 board?**

A 2×6’s real or true dimension is 1.5″ x 5.5″ – within the industry it is referred to as its “actual” size. The nominal size is used when discussing lumber nearly 100% of the time!