24" on center, 12 ft wall
Stud, joist and deck-board layout for a 12-foot run at 24" on center — how many pieces, and where every mark lands measured from the end of the plate.
12 ft wall @ 24" O.C. =
=7 studs
Studs / joists
7
Bays
6
Spacing
24" O.C.
Wall length
12' 0"
How many
A 12-foot wall is
144" long. At 24" on center that's ceil(144 ÷ 24) = 6 bays, and one more stud than bays for the end — 6 + 1 = 7 studs. The same count and marks lay out floor joists or deck boards on the same spacing.Pull the tape
Every mark from the end
| Stud # | Mark (from end of plate) |
|---|---|
| 1 | 0" (end) |
| 2 | 2' 0" |
| 3 | 4' 0" |
| 4 | 6' 0" |
| 5 | 8' 0" |
| 6 | 10' 0" |
| 7 | 12' 0" |
The same math, offline
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