Learn how to understand lumber sizing, what those sizes mean when you are buying boards.
When you’re building projects from plans, you may wonder why you see things like a “1×4″ board in the materials list, but then see project parts sized at 3/4″ x 3 1/2”. The difference lies in the way lumber size is referred to. Here’s how to understand the differences between the stated “nominal” board size and the “actual” size.