# What are the actual sizes of dimensional lumber

## Why is dimensional lumber not actual size?

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 dimensional lumber sizes?

Dimensional Lumber

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

2Ă—12 | 1-1/2″ Ă— 11-1/4″ |

4Ă—4 | 3-1/2″ Ă— 3-1/2″ |

4Ă—6 | 3-1/2″ Ă— 5-1/2″ |

6Ă—6 | 5-1/2″ Ă— 5-1/2″ |

## Are 2×2 actually 2×2?

Hence, what started out as a 2 x 4 now measures 1 1/2 inches x 3 1/2 inches.

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Actual Dimensions and Nominal Dimensions.

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Actual Dimensions and Nominal Dimensions.

Nominal Measurement | Actual (inches) | Actual (mm) |
---|---|---|

2 x 2 | 1-1/2 x 1-1/2 | 38 x 38 |

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 |

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Mar 27, 2020

## What is the difference between nominal and actual sizes in lumber?

The â€śactualâ€ť size of the advertised â€ś2Ă—6â€ť piece of lumber is â€ś1-1/2Ă—5-1/2.â€ť

**The nominal size refers to the original state of the board before secondary processes have occurred**. These processes are kiln drying and/or surfacing of the rough-sawn boards that come from the â€śgreenâ€ť sawmill.## Can you buy actual size lumber?

**All of our lumber is cut to true dimensions**. Meaning if you order a 2″x 4″ x 10′ the piece of lumber you receive will be 2 inches thick, 4 inches wide and 10 feet long.

## What are the actual dimensions of a 1×8?

1x Board Sizes

That means a 1 x 4 board is actually 3/4 inches by 3 1/2 inches. The larger 1x boards (1×8, 1×10, etc.) lose **3/4 inch in width**. That means a 1×10 is actually 3/4 inch in thickness by 9 1/4 inches.

## What is the difference between true size and actual size?

**The actual size refers to the exact measurements of your air filter, and the true dimensions when you measure the length, width, and depth (thickness)**. Actual size typically includes a fraction number within the dimensions â€“ for example: 19 1/2″ x 19 1/2″ x 3/4″.

## What is the actual size of a 2×4 piece of 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. Instead, a 2×4 is really only

**1 1/2″ by 3 1/2″**. The same is true of pine.## What does the actual dimension of lumber mean?

The actual size of dimensional lumber is

**determined by using a tape measure or straight edge to measure the dimensions of the wood**. A 2×4, for example, is an example of a nominal size. You can think of it as a nickname used to categorize the lumber. The actual size of a 2×4 is 1 Â˝ inches by 3 Â˝ inches.## What is the difference between nominal and rough lumber?

**Nominal lumber is unfinished boards**. A nominal 2Ă—4 is rough sawn to about 2 inches by 4 inches. Dimensional lumber is finished boards. A nominal size 2Ă—4 board has been planed to its finished size of 1-Â˝ inches by 3-Â˝ inches.

## What is the difference between nominal and actual?

**Nominal size is the size you see printed on the side of your air filter.**

**It stems from the actual size, which is rounded up to the nearest whole inch**.

## Does air filter depth matter?

**A deeper depth can improve the lifespan and efficiency of the filter as well**– they also make it easier for air to move into and out of your filter.

## What size is a 2×10 lumber?

Nominal vs. 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) |

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Mar 27, 2020

## What is a 2×4 wood?

A piece of surfaced (sanded smooth) 2×4 lumber actually measures

**1Â˝ inches thick and 3Â˝ inches wide**. In rough-cut condition, a 2×4 is slightly less than 2 inches thick and approximately 4 inches wide. When wood is milled from a rough to a smooth surface, it loses about ÂĽ-inch from each of its four sides.## What does 2×4 mean?

It’s mostly used in the framing of houses but you’ll also see it in just about any other construction or DIY project. But there is a caveat will calling a 2×4 a 2×4: It’s not really two inches by four inches as its name implies. A 2×4 is actually

**3-Â˝ inches by 1-Â˝ inches**.## How much is a 2×8 piece of lumber?

2 x 8 Construction/Framing Lumber at Menards

Everyday Low Price | $44.99 |
---|---|

11% Mail-In Rebate Good Through 4/9/22 | $4.95 |

## What is the actual size of a 2×8?

Common Dimensional Lumber Sizes

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

Two-by-six or 2 x 6 | 1 1/2 inches x 5 1/2 inches |

Two-by-eight or 2 x 8 | 1 1/2 inches x 7 1/4 inches |

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 |

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5 days ago

## Why do 2×4’s have rounded edges?

2Ă—4 have rounded edges as

**it’s very beneficial to the wood itself and those working with it**. They reduce the number of injuries like unwanted splinters during the handling and manufacturing process and also ensure that the lumber stays looking its best all throughout until the customer sees it.## Do they make 2×8?

2×8 – Framing Lumber – Dimensional Lumber –

**The Home Depot**.## What is the difference between framing lumber and dimensional lumber?

Structural light framing is 2-inches to 4-inches thick and 2-inches to 4-inches wide. Dimensional lumber and studs are 2-inches to 4-inches thick and 2-inches to 4-inches wide.

## Does lumber come in 2×8?

**2×8 – Dimensional Lumber**– Lumber & Composites – The Home Depot.

## What wood is used to frame a house?

The most popular softwoods are

**cedar, fir, pine and spruce**. Softwood trees grow faster, and their wood has straighter grain, making it ideal for framing, construction and outdoor projects.