Wood Moisture Quick Reference Guide
Authentic reference chart and data matrix for Wood Moisture in Woodworking & Lumber. Use the interactive table below or print it / save it as a PDF with the button below.
Quick-Reference Table
The full data from this cheat sheet, right on the page.
| Nominal Lumber Dimension | Actual Finished Dimension (Surfaced S4S) | Standard Screw Size / Gauge | Pilot Hole Drill Bit Size | Common Structural Application |
|---|---|---|---|---|
| 1 x 2 Board | 3/4" x 1-1/2" (19 x 38 mm) | #6 Wood Screw | 7/64" (Softwood) / 1/8" (Hardwood) | Picture frames, face frames, light trim |
| 1 x 4 Board | 3/4" x 3-1/2" (19 x 89 mm) | #8 Wood Screw | 1/8" (Softwood) / 9/64" (Hardwood) | Baseboards, drawer boxes, shelving cleats |
| 2 x 4 Stud | 1-1/2" x 3-1/2" (38 x 89 mm) | #10 Construction Screw / 3" 16d Nail | 5/32" Pilot Bit | Standard interior wall framing, workbenches, trusses |
| 2 x 6 Joist | 1-1/2" x 5-1/2" (38 x 140 mm) | #10 / #12 Timber Screw | 11/64" Pilot Bit | Floor joists, exterior deck frames, roof rafters |
| 4 x 4 Post | 3-1/2" x 3-1/2" (89 x 89 mm) | 1/2" Galvanized Carriage Bolt | 1/2" Auger Bit | Deck corner posts, pergola uprights, fence posts |
How to Use This Chart
Pin this chart where you work: it packs 5 entries and 5 columns (Nominal Lumber Dimension, Actual Finished Dimension (Surfaced S4S), Standard Screw Size / Gauge, Pilot Hole Drill Bit Size, Common Structural Application) into one printable page, built for quick lookups.
Scan down the Nominal Lumber Dimension column to your item, then read across for Actual Finished Dimension (Surfaced S4S), Standard Screw Size / Gauge.
Example: for 1 x 2 Board, the chart gives Actual Finished Dimension (Surfaced S4S) of 3/4" x 1-1/2" (19 x 38 mm).
- Compare values down a single column to spot the pattern before you commit to a choice.
- When two rows look close, the Common Structural Application column usually breaks the tie.
- Print it once and keep it where you work — that's the whole point of a cheat sheet.
Printable Sheet Preview
High-Contrast Layout
Download Your Free Printable Sheet
Download the printable PDF below. It is the same sheet shown in the preview above, ready to print on US Letter or A4 — open it and choose Print, with Scale set to Fit to Page.
💡 Pro Printing Tip: In your printer settings, set Scale to “Fit to Printable Area” and enable “Background Graphics” for color headers.