## What are the true dimensions of a 4×6?

Nominal vs. Actual Measurements of Dimension Lumber

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

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) |

4 x 6 | 3 1/2 x 5 1/2 inches (89 x 140 mm) |

6 x 6 | 5 1/2 x 5 12 inches (140 x 140 mm) |

### What are the actual dimensions of lumber?

Common Dimensional Lumber Sizes

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

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

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 |

#### What are the actual dimensions of a 2×8?

Boards are referred to by their “Nominal Size”, not the actual size. This is because lumber is surfaced or planed smooth on four sides (S4S)….Lumber Dimensions: Nominal vs. Actual.

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

2×8 | 1-1/2″ x 7-1/4″ |

2×10 | 1-1/2″ x 9-1/4″ |

2×12 | 1-1/2″ x 11-1/4″ |

4×4 | 3-1/2″ x 3-1/2″ |

**How do you read Wood dimensions?**

The first number (2) refers to the thickness of the board in inches. The second number (4) refers to the width of the board in inches. The third number (8) refers to the length of the board in feet.

**What does a 1×6 actually measure?**

A 1×6, for example, actually measures 3/4″ x 5 1/2″. In this case, the planing is necessary for a smoother surface, so that the board could be used for interior applications. The length of the boards is generally exactly what you order, though we usually only stock pieces of even lengths.

## Why are the actual dimensions of lumber different from the nominal dimensions?

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.

### How long is a 2×8 piece of wood?

x 8 in. x 8 ft. #2 and Better Prime Doug Fir Lumber-2×8-8 #2/btr prime doug fir – The Home Depot….Compare Similar Products.

current product | ||
---|---|---|

$967 /piece | $1498 | |

(97) | (171) | (19) |

#### How wide is a 2×8 pressure treated?

Dimensional Lumber

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

2×8 | 1-1/2″ × 7-1/4″ |

2×10 | 1-1/2″ × 9-1/4″ |

2×12 | 1-1/2″ × 11-1/4″ |

4×4 | 3-1/2″ × 3-1/2″ |

**What does 4×8 mean?**

Hardwood lumber comes in thicknesses measured in quarters of an inch. 1″ lumber is called 4/4 (four quarters). 2″ lumber is called 8/4 (eight quarters). Here’s how they compare.