I think it is general knowledge that a 2×4 does not measure 2 inches by 4 inches. They are usually about 1 1/2″ by 3 1/2″. The length is not supposed to vary, but often does. I have found 8 ft 2x4s vary by as much as 3/4″. Usually they are too long, but sometimes they are too short. Assume they are correct, and you may find your project doesn’t quite fit together.

Posted on April 22, 2012 in: Shop Tips