Shop-wall chart · No. 06
Lumber Sizes & Metric Converter
Nominal to actual for every common board, the stocked size that replaces a 2x4 in the UK, EU, and Australia, plywood true thickness, fractions to millimeters. Two-sided.
What’s on it
- Nominal vs. actual for 1x through 6x6 and 5/4 decking, in inches and mm
- UK CLS / C24, EU regel, and AU MGP / DAR equivalents, plus sheet sizes by region
- Fractions to mm in 1/16 steps, stock lengths, board feet, nearest metric bolts
Get the chart (free)
I’ll email you the PDF and put the download right here. You’ll also get the weekly newsletter: one useful thing on Tuesdays, a question on Wednesdays, one plan on Fridays. Unsubscribe anytime.
The other shop-wall charts
No. 01
Outdoor Lumber Chart
Which wood goes where, what the end tag actually means, which screws survive treated lumber, and how to pick and dry a board. One page.
Get the chart →
No. 02
Exterior Fastener Chart
Which screw for what, pocket-hole length by stock thickness, pilot holes, the coatings that fail in treated lumber, and which glue actually works outside.
Get the chart →
No. 03
Outdoor Furniture Dimensions
The seat heights, table heights, depths, and clearances that make outdoor furniture comfortable — and a five-line design check to run before the first cut.
Get the chart →
No. 04
Outdoor Finishing Schedule
Which finish for which wood, the weather window, dry and recoat times, and how often to redo it. Two-sided.
Get the chart →
No. 05
Wood Movement & Gaps
How much boards shrink and swell by species, what moisture to build at, and how big to leave the gap on decks, slats, and panels.
Get the chart →
No. 07
Pressure-Treated Wood: Where It's Safe
The question I get most: is pressure-treated wood safe for furniture? Seats, tables, kids' pieces, garden beds, coops, indoors: a verdict for each, with the evidence.
Get the chart →