8 Feet
A 2x8 board, also known as a two-by-eight, is 8 feet long. This standard lumber dimension refers to the nominal width of 8 inches and the nominal thickness of 1 inch. Actual dimensions are slightly smaller due to milling. It's a common choice for framing, decking, and general construction projects.
Measuring a 2x8
- Nominal Dimensions: 8 inches wide x 1 inch thick.
- Actual Dimensions: Approximately 7.75 inches wide x 0.75 inches thick (after milling).
- Length: Typically 8 feet (96 inches).
Methods for Determining Width
- Measuring Tool: Use a precise measuring tape or ruler to measure the width directly. This is the most accurate method.
- Calipers: Digital calipers can provide very accurate measurements of the board's width and thickness.
- Marking and Measuring: Mark a point on the board and measure the distance to the opposite edge to determine the width.
Comparison of Width Measurement Techniques
| Method |
Cost |
Time |
Accuracy |
| Measuring Tape |
$10 - $30 |
1-2 minutes |
Good (within 1/16 inch) |
| Digital Calipers |
$20 - $100 |
30 seconds - 1 minute |
Excellent (within 0.001 inch) |
| Marking & Measuring |
Free |
5-10 minutes |
Fair (potential for error) |
Important Considerations
Always double-check your measurements to ensure accuracy, especially for critical construction projects. Remember that the nominal dimensions are used for purchasing and building, while the actual dimensions are what you'll be working with. Proper handling and storage are crucial to maintain the board's integrity.