Sizing when looking at plans.

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Forum topic by CantBurn posted 01-08-2013 07:56 PM 879 views 1 time favorited 5 replies Add to Favorites Watch
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69 posts in 3068 days

01-08-2013 07:56 PM

Topic tags/keywords: wood size measure

So, something struck me when I was looking at a cutting list. If it is listed as needing a 2X2 of say, cedar. And I have some left over 2X4’s of cedar. Is the original listed as an actual 2X2 or 1.1/2X1.1/2? So, if I try to rip my 2X4 at exactly 2inches, will it be right? Or would I have to rip it at 1.1/2?

-- Chris-Woodstock, Illinois

5 replies so far

View junebug's profile


102 posts in 2646 days

#1 posted 01-08-2013 08:21 PM

sounds like your plans use nominal size for the lumber dimension. 2×2 should in fact 1.5”x1.5”

View PurpLev's profile


8548 posts in 3890 days

#2 posted 01-08-2013 08:24 PM

usually 2×2 refers to nominal 2×2 material. if it refers to actual sizing it would be 2” x 2”.

-- ㊍ When in doubt - There is no doubt - Go the safer route.

View bondogaposis's profile


5157 posts in 2593 days

#3 posted 01-08-2013 08:59 PM

It depends what it is. Many furniture plans use actual size because a lot pieces call for non standard thicknesses, i.e. legs that are 1 1/4” or table tops that are 7/8”. Those plans usually call for some way to thickness your lumber. Other furniture plans made from BORG construction materials will use nominal sizes on the cutting list, just depends on what you got.

-- Bondo Gaposis

View Richard's profile


400 posts in 2933 days

#4 posted 01-08-2013 09:04 PM

I would look for a notation on the plans that indicate nominal or actual sizes given. Lacking any guidance, I would be inclined to assume the cut list is referring to nominal sizes.

-- "It ain't what you don't know that gets you into trouble. It's what you know for sure that just ain't so." - Mark Twain

View CantBurn's profile


69 posts in 3068 days

#5 posted 01-08-2013 10:59 PM

Thanks for the help. It was one of those moments were after all these years, I said “Wait a minute”.

-- Chris-Woodstock, Illinois

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