Standard door and rough opening sizes for residential construction. Rough openings are typically 2 inches wider and 2.5 inches taller than the nominal door size.
Door Type
Nom. Width
Nom. Height
Rough Opening
Notes
BedroomADA
32"
80"
34" × 82.5"
Min. ADA clear 32"
Bathroom
28"
80"
30" × 82.5"
Min. recommended
Closet
24"
80"
26" × 82.5"
Standard closet
Hallway
36"
80"
38" × 82.5"
Wide passage
French Door (pair)
60"
80"
62" × 82.5"
Each leaf 30"
Door Type
Nom. Width
Nom. Height
Rough Opening
Notes
Main EntryADA
36"
80"
38" × 82.5"
Standard single entry
Double Entry
72"
80"
74" × 82.5"
Grand entrance
Patio/Slider
60"
80"
62" × 82.5"
Check sill height
Garage (single)
96"
84"
98" × 85"
Standard 1-car
Garage (double)
168"
84"
170" × 85"
Standard 2-car
Door Type
Opening Width
Height
RO Width
Notes
Bifold (2-panel)
24"
80"
25.5"
Small closet
Bifold (4-panel)
48"
80"
49.5"
Standard closet
Pocket Door
32"
80"
66" × 82.5"
Needs wall cavity
Barn Door
36"
84"
38" × 86"
+6" for overlap
Door Type
Width
Height
RO
Notes
WheelchairADA
36"
80"
38" × 82.5"
Min. 32" clear
Hospital/Commercial
42"
84"
44" × 86.5"
Gurney-accessible
8-ft Tall Interior
32–36"
96"
+2" × 98.5"
High-ceiling rooms
Rule of thumb: Rough Opening = door width + 2" × door height + 2.5". Frame adds ~1.5" each side. Always verify with your specific door manufacturer's specs.