Closet shelving calculator

Every line shows the quantity to buy and how StudSheet got it: the spacing, the waste and the package size, so you can check it before the supply house or the quote.

In Canada (1.83 m reach-in closet)

Set to Canada, the Sheet works the job out again for Ontario: metric sizes, bag sizes, the frost depth and the code notes. It doesn't just convert feet to meters. The first lines:

• 1 piece, Wire shelf-and-rod: 1 run = 1.83 m, the hanging rod built into the front edge: cut from the cheapest mix of 4, 6, 8 and 3.66 m lengths. A hacksaw or bolt cutter cuts them.
• 2 packs, Wire shelf wall clips, 6-pack: A clip every 305 mm along the back of each shelf, both ends included: 7 clips.
• 1 pair, Wire shelf end brackets, pair: A pair for each shelf piece, where it meets a wall or another shelf.
• 3 braces, Wire shelf support brace: Under the front edge about every 1.07 m (never more than 1.22 m apart), one near each end: 3 for 1.83 m of shelf.
• 1 box, 76 mm framing screws: About 8 screws into the studs (clips and braces that land on a stud; most kits include short screws).
• 1 pack, Toggle bolts 6 × 76 mm, 10-pack: 2 points between studs get a toggle bolt, not a plastic anchor: they hold the load, the clothes and anyone who leans on it.

1. Empty the closet, fill old anchor holes (the Patch Sheet), and paint now if you will.
2. Mark the shelf line: 84″ up for the top shelf, with the rod about 2″ under it. Draw a level line all around.
3. Find and mark every stud on the lines (16″ apart).
4. Back clips: a clip every 12″ on the line, screwed into studs where they land and with toggles between.
5. Cut the shelves to length.
6. Snap the shelves into the clips, add the end brackets and a support brace about every 42″ under the front edge.
7. Rods: the shelf-and-rod pieces carry the hangers along their front edge; check each brace is tight under it.

Must-have tools first, then the ones that help and the ones to rent for the day.

Mistakes that cost a callback or a second trip

• Plastic anchors for loaded shelves: Expansion anchors in drywall pull out under clothes and boxes. Studs, or toggle bolts between them.
• Braces too far apart: Wire shelves sag and pull out of the clips. A brace at least every 4 ft, and near each end.
• Forgetting the corner overlap: In a walk-in, the side shelves are shorter by the back shelf’s depth; cut them full length and they won’t fit.
• A rod you can’t reach: A top shelf at 84″ puts the rod at about 82″: easy for most adults. Go lower for kids, double hang for shirts.

What the calculator assumes

• Shelf heights (typical): top shelf 84″, double-hang lower shelf 42″, extra shelves 12″ apart; pantry shelves from 18″ up, at most 16″ apart.
• Wire hardware (typical): a back clip every 12″, a brace about every 42″ and near each end, end brackets for each piece. Wood: cleats screwed into every stud; a bracket at least every 48″ under long shelves and rods.
• Shelves and rods cut from the cheapest mix of the lengths stores sell (wire 4, 6, 8 and 12 ft; boards 8 ft; rods 4, 6 and 8 ft), at typical prices.
• In a walk-in, the side shelves are the side wall’s length less the back shelf’s depth.

The Sheet sets its code notes for the job's state or province. These are New Jersey's and Ontario's; the code reference has more. Always confirm with your building department.

• Studs first, toggles between: Clips, brackets and cleats go into studs wherever they can; between studs, toggle bolts. Plastic expansion anchors pull out under a loaded shelf.

What materials do I need to install closet shelving?

For the worked example, a 6′ reach-in closet, the Sheet counts 6 lines with waste included, starting with wire shelf-and-rod (1 piece), wire shelf wall clips, 6-pack (2 packs), wire shelf end brackets, pair (1 pair), wire shelf support brace (3 braces). Each line's math is in the table above. Put in your own sizes in the closet shelves calculator and every line is counted again.

How long does it take to install closet shelving, and can I do it myself?

About 1 to 2 hours for the worked example, in 7 steps. StudSheet stamps it DIY OK: you can do this.

What tools do I need to install closet shelving?

10 in all. The must-haves start with stud finder, 4-ft level, tape measure (25 ft), carpenter's pencil, cordless drill/driver, screwdriver set. On the Sheet you mark each one as owned, to buy or to rent.

Stuck while you install closet shelving? Ask in the Closets and shelving group of the StudSheet community with this Sheet attached. Homeowners who've done it and verified pros answer, and anyone can read it.

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