How Many Studs in a 12 Foot Wall?
Studs to buy
16 studs
12 ft of wall, 8 ft tall, 16 in on center, 2 corners, no openings, 10 % waste.
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How that number is worked out
These are the figures this page was built with and every line the calculator produces from them. Change anything above and all of it moves.
- Wall length12 ft
- Wall height8 ft
- Stud spacing16 in on center
- Doors and windows0 openings
- Average opening width3.5 ft
- Corners2 count
- Partition intersections0 count
- Waste allowance10 %
Studs to buy16 studs
| Wall area | 96 sq ft |
|---|---|
| Field studs | 10at 16 in on center |
| Positions the openings remove | 0 |
| Cripples above and below | 0 |
| Corners and tees | 4two extra at each |
| Kings and jacks | 0four per opening |
| Studs before waste | 14 |
| Rule of thumb check | 12one stud per foot of wall |
| Plate stock | 36 ft3 at 16 ft, bottom plate and double top |
| Header stock | 0 fttwo plies, opening plus 6 in of bearing |
| Sheathing | 3 sheets4 by 8, gross wall, no openings taken off |
The material list this produces
| Studs at 8 ft | 16 |
|---|---|
| Plate stock, 16 ft lengths | 3 |
| Sheathing, 4x8 sheets | 3 |
| 16d framing nails, lb | 3 |
Wall length compared
The middle of the range. The sheathing column climbs in steps because a sheet is 4 ft wide and half a sheet still comes off a full one, so two of these lengths buy the same number of sheets as the length below them.
| Wall length | Studs to buy | Sheathing | Plate stock |
|---|---|---|---|
| 8 ft | 13 studs | 2 sheets | 24 ft |
| 10 ft | 14 studs | 3 sheets | 30 ft |
| 12 ft | 16 studs | 3 sheets | 36 ft |
| 14 ft | 17 studs | 4 sheets | 42 ft |
| 16 ft | 19 studs | 4 sheets | 48 ft |
| 20 ft | 22 studs | 5 sheets | 60 ft |
What else matters here
Sixteen studs, 36 ft of plate stock and 3 sheets of sheathing. This is one of the lengths where the sheet goods work out evenly, and it is worth seeing why that matters.
Sheathing comes 4 ft wide, so a 12 ft wall is exactly three sheets stood on end with nothing left over. A 10 ft wall is two and a half sheets, which still means buying three and carrying half a sheet home. A 14 ft wall is three and a half and buys four. The sheathing column in the table climbs in steps rather than smoothly, and the lengths that land on a step boundary are the cheap ones.
The plate stock is the same arithmetic on a different material. 36 ft is three times the 12 ft wall, because a framed wall has one bottom plate and a doubled top plate. Buying that as three 12 ft boards is exact. Buying it as 16 ft boards leaves you cutting 4 ft off each one, which is not waste if you have somewhere to use it and is waste if you do not.
What this calculator assumes
- Studs are counted position by position: the field studs at your spacing, minus the positions the openings take out, plus the cripples that go back above and below them, plus two extra at every corner and every partition tee, plus a king and a jack on each side of every opening.
- A corner is counted as three studs and a partition tee as three, which is the traditional way. A California corner or a ladder tee uses two plus blocking and saves a stud at each one.
- Cripples are counted as whole studs because they are cut from stock. If you are nesting cuts carefully you will use fewer, and the waste line is where that shows up.
- Plates are one bottom plate and a double top plate, so three times the wall length, and they are priced in 16 ft lengths.
- Headers are figured two plies deep at the opening width plus six inches of bearing. Span, load and species decide the header depth, and that is an engineering question rather than a takeoff one.
- The rule of thumb line is the old one stud per foot of wall at 16 inches on center. It is there as a sanity check, not as the answer.
Questions people ask
How many studs in a 12 foot wall?
16 at 16 in on center, including a ten percent waste allowance, with 36 ft of plate stock and 3 sheets of sheathing.
Why is the plate stock three times the wall length?
Because a framed wall has a single bottom plate and a doubled top plate, so every foot of wall needs three feet of plate material.
How many sheets of sheathing for a 12 foot wall?
3, stood on end. A 4 ft wide sheet divides into 12 ft exactly, which is why this length has nothing left over.
The framing calculator takes any dimensions you like and hands back the same list.