How Many Board Feet Are in a 2×6×8? Complete Lumber Guide

If you’re buying lumber for a construction or woodworking project, you may wonder: how many board feet are in a 2×6×8?

The answer is:

A 2×6×8 board contains 8 board feet.

Board feet are commonly used to measure lumber volume in sawmills, woodworking shops, and construction projects.

In this guide, you’ll learn how to calculate board feet and see examples for different lumber sizes.

Quick Answer: 2×6×8 = 8 Board Feet

A board measuring:

2 inches thick
6 inches wide
8 feet long

contains:

8 board feet

What Is a Board Foot?

A board foot is a unit of volume used for lumber.

One board foot equals:

1 inch thick
12 inches wide
12 inches long

In other words, one board foot equals 144 cubic inches.

Board Foot Formula

To calculate board feet, use the formula:

For a 2×6×8 board:

Thickness = 2 inches
Width = 6 inches
Length = 8 feet

Calculation:

(2 × 6 × 8) ÷ 12 = 8

Therefore:

2×6×8 = 8 board feet.

Step-by-Step Calculation

Step 1: Write down the dimensions

Thickness: 2 inches
Width: 6 inches
Length: 8 feet

Step 2: Multiply the numbers

2 × 6 × 8 = 96

Step 3: Divide by 12

96 ÷ 12 = 8

Final result:

8 board feet

Board Foot Chart for Common Lumber Sizes

Board Size	Board Feet
2×4×8	5.33
2×6×8	8
2×8×8	10.67
2×10×8	13.33
2×12×8	16

Why Are Board Feet Important?

Board feet help estimate:

Lumber costs.
Project material needs.
Wood volume.
Sawmill production.

Many hardwood suppliers price wood by the board foot.

Actual vs. Nominal Lumber Size

Keep in mind that a 2×6 board is a nominal size.

The actual dimensions are usually:

1.5 inches thick
5.5 inches wide

However, board-foot calculations traditionally use the nominal size.

How Much Does a 2×6×8 Board Weigh?

The weight depends on the type of wood.

Typical weights:

Wood Type	Approximate Weight
Pine	14–16 pounds
Cedar	12–14 pounds
Oak	22–26 pounds

Moisture content also affects weight.

Common Uses for a 2×6×8 Board

A 2×6×8 board is often used for:

Deck framing.
Floor joists.
Wall construction.
Shelving.
Outdoor projects.
Furniture building.

Its strength makes it a popular choice for structural work.

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