If you’re building, remodeling, or replacing a door, you may wonder: how many feet is a standard door?

The quick answer is:

$80\text{ Inches}=6.67\text{ Feet}$ 80 Inches=6.67 Feet

Most residential doors are:

80 inches tall
6 feet 8 inches high
Approximately 6.67 feet tall

Quick Answer

A standard residential door typically measures:

Height: 80 inches
Width: 30–36 inches

Converting the height to feet:

$80\div12=6.67\text{ Feet}$ 80÷12=6.67 Feet

Result:

Standard door height = 6.67 feet
Standard door height = 6 feet 8 inches

What Is the Size of a Standard Door?

Most homes use standardized door dimensions for easier construction and replacement.

Typical residential doors include:

Door Type	Height	Width
Interior Door	80 in	24–36 in
Exterior Door	80 in	36 in
Front Entry Door	80–96 in	36 in

The most common height remains 80 inches.

Standard Door Height in Feet

Because there are 12 inches in a foot:

$\frac{80}{12}=6.67\text{ Feet}$ 1280=6.67 Feet

This can also be written as:

$6\text{ Feet }8\text{ Inches}$ 6 Feet 8 Inches

This is the standard height used in most residential construction.

Standard Door Widths

While height is usually consistent, door widths vary.

Interior Doors

Common widths include:

24 inches
28 inches
30 inches
32 inches
36 inches

Exterior Doors

Most exterior doors measure:

$36\text{ Inches}=3\text{ Feet}$ 36 Inches=3 Feet

wide.

Specialty Doors

Some modern homes feature taller doors:

84 inches (7 feet)
96 inches (8 feet)

These create a more spacious appearance.

Door Size Conversion Chart

Door Height (Inches)	Feet
80	6.67 ft
84	7 ft
96	8 ft

Door Width (Inches)	Feet
24	2 ft
30	2.5 ft
32	2.67 ft
36	3 ft

Why Standard Door Sizes Matter

Standard dimensions provide several benefits.

Easier Replacement

Pre-hung and replacement doors are manufactured to standard sizes.

Lower Costs

Custom-sized doors generally cost more than standard options.

Building Code Compliance

Many residential construction standards are designed around common door dimensions.

Common Door Size Mistakes

Measuring Only the Door

Always measure:

Door slab
Frame opening
Rough opening

before ordering a replacement.

Confusing Width and Height

Most references focus on height, but width is equally important.

Assuming Every Door Is the Same

Closet, bathroom, bedroom, and entry doors often have different widths.

Real-World Examples

A standard door height of:

$6.67\text{ Feet}$ 6.67 Feet

is roughly:

Slightly taller than the average adult
Equivalent to 80 inches
Common in most modern homes

FAQs

1. How many feet is a standard door?

Most standard residential doors are approximately 6.67 feet (6 feet 8 inches) tall.

2. What is the standard height of a front door?

Typically 80 inches, though some homes use 84-inch or 96-inch doors.

3. How wide is a standard exterior door?

Most exterior doors are 36 inches (3 feet) wide.

4. Are interior doors the same height as exterior doors?

In most homes, yes. Both commonly measure 80 inches tall.

5. What is the tallest standard residential door?

Many manufacturers offer standard 96-inch (8-foot) doors.

Conclusion

Understanding how many feet is a standard door helps when planning construction, renovations, or replacements. The most common residential door height is: