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Standard door widths

Every standard door width in residential construction, by door type and use case.

2 min readUpdated 2026-06-10

The door widths used in real construction cluster into a small set of standards. Use this page as a reference when you specify or model any door.

In this guide

  1. 1

    Interior hinged doors

    Bedroom / bathroom / office: 30–32 inches. 32 is the most common. Walk-in closet / pantry: 28–32 inches. Linen closet: 24–28 inches. Accessible doorway (ADA): 36 inches minimum (32 inches clear when open at 90°).

  2. 2

    Exterior doors

    Front entry: 36 inches. Sometimes 30 or 32 in older homes; 42 in larger contemporary entries. Back/side entry: 32–36 inches. Patio (single hinged): 32–36 inches.

  3. 3

    French doors

    Interior pair: 48–72 inches total. 60 is the standard. Exterior pair: 60–72 inches total. Multi-panel (4 or 6): 96–144 inches total.

  4. 4

    Sliding glass doors

    Two-panel patio: 60–96 inches. 72 and 96 are most common. Three-panel: 96–144 inches. Four-panel: 120–192 inches.

  5. 5

    Sliding wood (closet)

    Two-panel bypass: 48–96 inches. 60 and 72 most common. Three-panel: 72–120 inches.

  6. 6

    Pocket and barn doors

    Pocket door: 28–42 inches. 32 standard interior. Barn door (single): 28–60 inches. 36 standard. Barn door (double): Each panel 28–48 inches; total 56–96.

Tips

Match adjacent doors

If most interior doors are 32 inches, the rest should be 32 too. Mixing 30 and 32 in the same hallway looks off.

Frequently asked questions

What's the standard interior door width?

30–32 inches. 32 is the most common; 30 for tight walls.

How wide is a standard entry door?

36 inches wide × 80 inches tall.

What's the standard sliding glass patio door size?

60–96 inches wide × 80 inches tall for a two-panel. 72 and 96 are most common.

How wide is a standard French door?

60 inches (two 30-inch leaves) is the most common interior pair. Exterior pairs are often 64–72 inches.

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