What is a bunk? A bunk is a term used to describe a full unit of lumber. Each size of lumber has a different quantity. For example, 2×4 s have 294 pcs, 2×6 s have 189 pcs, 2×8 s have 147 pcs (unless you are purchasing yellow pine and then they have 96 pcs), 2×10 YP have 80 pcs and finally 2×12 YP have 64 pcs.Click to see full answer. Considering this, how many 2x4s are in a bunk? 294 2x4s Beside above, how much does a bunk of 2×4 cost? Lumber Prices: Estimating the Cost of Dimensional Lumber Board Stud* 16′ 2×3 2×4 $1.90 $5.35 2×6 $3.70 $7.25 Regarding this, how many 2x8x16 are in a bunk? 2×12’s come in units of 84 and 4×4’s come in units of 60 or so. It sometimes varies though.How many 2×6 are in a unit of lumber? S4S LUMBER UNIT SIZES S4S WIDE #PCS 2X6 8 128 2X8 6 96 2X10 5 80 2X12 4 64