1 · Reach-in or walk-in?
Tell us the wall you can spare — we recommend the closet type that fits.
2 · Reach-in closet layout
3 · Walk-in closet planner
4 · Hanging space budget
Count your wardrobe — we convert it to linear feet of rod (15% breathing room included).
5 · Closet depth checker
6 · Rod height solver
7 · Shelf stack optimizer
Scope boundary
This tool sizes the closet shell — type, depth, rod heights, linear hanging feet, and shelf stacks. It does not size the mirror that hangs on the closet door: that is the job of our mirror size calculator, which has a dedicated full-length mode. Bedroom layout around the closet is covered by our desk size calculator room-fit mode.
Worked examples
- 20 shirts + 10 pants + 4 dresses + 2 coats: needs 58.08″ of rod ≈ 4.84 ft (15% breathing room included).
- 72″ wide reach-in, 96″ ceiling: double-hang with rods at 40″ and 80″ → 12 ft of hanging rod plus a top shelf at 84″.
- 8 × 7 ft walk-in: U-shaped layout, 36″ aisle, 36 ft of rod with double rows.
Methodology & sources
Rules come from published closet and home-design guidance, not invention. The 24-inch standard clear depth for reach-ins (22″ tight, 28–30″ for bulky coats) and the 12-inch rod setback from the back wall follow industry depth guides; adult hangers span 17–19 inches. Rod heights — 66″ single, 40″/80″ double, 84″ top shelf, ~70″ long-hang, all floor-to-centerline — match current U.S. planning guides. Walk-in minimums (4′×4′ absolute, 24″ minimum aisle, 36″ comfortable, 24″ storage zone per wall, U/L/galley/one-wall layouts by room size) follow walk-in sizing guides. Hanging budgets use a planning convention of 1.25″ per shirt or pants, 2″ per dress, 2.5″ per coat, plus 15% ease; shelf spacing uses 12″ folded, 7″ shoes, 15″ blankets. Estimates only — confirm with your closet-system maker before ordering.
Frequently asked questions
What is the standard depth of a bedroom closet?
The industry-standard clear depth for a reach-in bedroom closet is 24 inches (60.96 cm), measured from the finished back wall to the inside face of the door. That fits an adult hanger (17-19 inches wide) on a rod mounted 12 inches from the back wall, with clearance so clothes do not brush the wall or catch the doors. At 22 inches it still works but feels tight; for bulky winter coats, designers extend to 28-30 inches.
How high should I mount a closet rod?
Measure from the finished floor to the rod's centerline: a single adult rod goes at 66 inches (167.64 cm); a double-hang setup uses 40 inches (101.6 cm) for the lower rod and 80 inches (203.2 cm) for the upper rod, with a top shelf at 84 inches (213.36 cm). Long-hang sections for dresses and coats use a single rod at about 70 inches. A double-hang plus shelf needs at least an 84-inch ceiling.
What is the minimum size for a walk-in closet?
The generally accepted minimum is 4 x 4 feet (48 x 48 inches): 24 inches of hanging depth on one wall plus a 24-inch aisle. That is the floor of usable, not comfortable - most designers recommend 5 x 5 or 6 x 6 feet for a comfortable walk-in. Keep aisles at least 24 inches wide, and aim for 36 inches where you can; double-sided (galley) layouts need the aisle plus 24 inches of storage on each side.
How many inches of closet rod does each garment need?
As a planning convention, allow about 1.25 inches of rod per shirt, blouse, or pair of pants, 2 inches per dress, and 2.5 inches per coat or suit jacket, then add roughly 15% breathing room so hangers slide. For example, 20 shirts plus 10 pants need 37.5 inches of rod, or 43.13 inches with the ease allowance - about 3.59 feet.
How deep should closet shelves be, and how far apart?
Shelves above a hanging rod are typically 12-16 inches deep, with 12 inches the common standard. For folded clothes, space shelves 10-12 inches apart vertically; blankets and bins need 14-16 inches; shoe shelves need only 6-8 inches of height. This calculator's shelf mode uses a 1-inch board thickness when it stacks shelves into your available vertical space.
How far should the closet rod be from the back wall?
Mount the rod about 12 inches from the finished back wall (10-12 inches is the accepted range). That centers an 18-inch hanger so garments clear the wall behind and leave a few inches of door clearance in a standard 24-inch-deep closet. Sliding bypass doors need extra depth because their tracks intrude about 4 inches into the closet.
Reach-in or walk-in closet - which should I choose?
Choose a reach-in when the wall is at least 36 inches wide and you can spare 24 inches of room depth; it stores on one wall and you reach in from the bedroom. Choose a walk-in when you have at least 48 x 48 inches of floor space to give up - you step inside, and layouts run one-wall, galley (storage both sides), L-shape, or U-shape as the room grows toward 7-8 feet per side.
How wide should a reach-in closet be?
Three feet (36 inches) is the practical minimum width for a hanging reach-in; 6 feet is the typical bedroom standard and 8 feet or more counts as large. Width translates directly into rod: one row of hanging gives you width/12 feet of rod, and a double-hang setup (ceiling 84 inches or higher) doubles it - a 6-foot reach-in with double rods holds 12 linear feet of hanging.
Can I fit a double-hang closet under an 8-foot ceiling?
Yes, comfortably. An 8-foot (96-inch) ceiling fits the classic double-hang: rods at 40 and 80 inches plus a top shelf at 84 inches, with 12 inches of headroom to spare. The absolute minimum ceiling for a double-hang with shelf is 84 inches; at 80-84 inches you can keep both rods but lose the shelf.