36 × 80 Door Size
The 36 × 80 door size is a common nominal door size used for residential and other building applications. This page explains the nominal dimensions, metric conversion, actual dimensions, and rough opening considerations.
36 × 80 Door Dimensions
| Dimension | Measurement |
|---|---|
| Nominal Width | 36 inches |
| Nominal Height | 80 inches |
| Nominal Size | 36 × 80 inches |
| Width in Millimeters | 914 mm |
| Height in Millimeters | 2032 mm |
What Does 36 × 80 Mean?
A 36 × 80 door is identified by a nominal width of 36 inches and a nominal height of 80 inches. The nominal size is used as a convenient reference when comparing door products.
The actual door slab, frame, or prehung unit can have different measurements. Always check the manufacturer's specifications before ordering or installing a door.
36 × 80 Door Actual Dimensions
The actual dimensions of a 36 × 80 door depend on the product and manufacturer. A door slab may measure slightly differently from its nominal size, while a prehung door includes the frame and other components.
| Item | What to Check |
|---|---|
| Nominal Door Size | 36 × 80 inches |
| Actual Door Slab | Manufacturer specification |
| Prehung Door Unit | Manufacturer frame dimensions |
| Rough Opening | Product-specific installation requirements |
36 × 80 Door Rough Opening
There is no single universal rough opening dimension that applies to every 36 × 80 door. Rough opening requirements vary according to the specific door unit, frame, installation method, and manufacturer instructions.
For construction or replacement work, use the rough opening dimensions provided by the manufacturer of the door you are installing rather than relying only on the nominal door size.
Common Uses for a 36 × 80 Door
A 36 × 80 door may be used in residential entrances, interior openings, utility areas, accessibility-related applications, or other locations where a wider nominal door size is required.
The appropriate door type and configuration depend on the building, opening, local requirements, and manufacturer's specifications.
Related Door Sizes
36 × 80 Door Size FAQ
How wide is a 36 × 80 door?
The nominal width is 36 inches.
How tall is a 36 × 80 door?
The nominal height is 80 inches.
What is 36 × 80 in millimeters?
The nominal dimensions are approximately 914 mm wide by 2032 mm high.
Is the actual door exactly 36 × 80 inches?
Not necessarily. Nominal door sizes are reference dimensions. Actual slab and frame dimensions depend on the product.
What is the rough opening for a 36 × 80 door?
Rough opening dimensions depend on the specific door and manufacturer's installation requirements.