What Size Door Do I Need? (Chart & Guide)

Find the Perfect Fit: A Guide to Door Sizes

If you’re replacing a door, you’re probably asking: What size door do I need? The answer depends on whether you’re measuring your existing door or the rough opening. Use the charts below to find the right door size!

Door Size Based on Your Existing Door

How to Measure Your Existing Door

1. Measure the width and height of your current door (not the frame).
2. Use the chart below to find the correct size to order.

💡 Pro Tip: If you have a different height, just order the same width but adjust the height to match!

Door Size Based on Rough Opening

How to Measure Your Rough Opening

1. Measure the width and height of the rough opening (stud-to-stud).
2. Use the chart below to find the correct door size.

💡 Pro Tip: Your rough opening should be approx. 2 inches wider and taller than the actual door size to allow for framing and adjustments.

Door Sizing Guide for Specific Rough Openings

✔ What size door do I need for a 26-inch opening? → Order a 24” x 80” door.

✔ What size door do I need for a 28-inch opening? → Order a 26” x 80” door.

✔ What size door do I need for a 30-inch opening? → Order a 28” x 80” door.

✔ What size door do I need for a 32-inch opening? → Order a 30” x 80” door.

✔ What size door do I need for a 34-inch opening? → Order a 32” x 80” door.

✔ What size door do I need for a 36-inch opening? → Order a 34” x 80” door.

✔ What size door do I need for a 38-inch opening? → Order a 36” x 80” door.

What If I Need a Custom Door Size?

If your door size doesn’t fit within these ranges, at Sans Soucie Art Glass, we can get any size door you need in all Door Materials we sell, except for Fiberglass. Email us the Size and Type (front door or interior door, what door material and if it’s slab or pre-hung), and we’ll send you a price ASAP!

Common Door Sizes Per Door Type

To give you an idea of what your door size may be, or needs to be, let’s take a look at common door sizes for the different rooms in our homes. The following guide breaks down the most common sizes you’ll find for each room or type of door:

Front Doors (Exterior Doors):

• Standard Widths: 36 inches (3 feet)
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: Exterior doors are typically 1 3/4 inches thick to provide enhanced security and insulation.

Interior Doors:

• Standard Widths: 28, 30, 32, or 36 inches
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: Interior doors are typically 1 3/8 inches thick, lighter than exterior doors.

Pantry Doors:

• Standard Widths: 24, 28, or 30 inches
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: Often feature decorative glass panels or unique designs to complement kitchen aesthetics.

Laundry Room Doors:

• Standard Widths: 28 or 30 inches
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: May include louvers for ventilation in some homes.

Bathroom Doors: (not showers)

• Standard Widths: 28 or 30 inches
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: Bathroom doors typically swing inward unless space constraints require an outward swing or pocket door solution.

Wine Cellar Doors:

• Standard Widths: 30 or 36 inches
• Standard Heights: 80 inches (6 feet 8 inches)
• Note: Often feature specialty materials like glass panels or insulated cores to maintain temperature and humidity control.

8-Foot Doors (96″ Height):

• Standard Widths: 30, 32, 36 inches
• Standard Heights: 96 inches (8 feet)
• Common Applications: Modern homes, luxury properties, homes with high ceilings
• Note: These taller doors create a dramatic architectural statement and are becoming increasingly popular in new construction and high-end renovations. They typically require special ordering and installation considerations due to their non-standard height.

Door Measurement Accuracy by the Experts​

To further assist you, we’ve curated a list of authoritative resources that provide detailed guidance on measuring door sizes and rough openings:​

• How to Measure for a Door by Therma-Tru Doors: This comprehensive guide offers step-by-step instructions to ensure precise measurements for your new door installation.
• How to Measure Front Doors by Pella: This resource offers step-by-step guidance on measuring various door types, including those with sidelights and double doors.
• How to Measure a Rough Opening for a Door by Plastpro Inc: This guide focuses on measuring rough openings, crucial for proper door fitting

Know Your Door Parts

Knowing the ins and outs of a door is super helpful, work on your door project! Check out our blog “Everything You Need to Know About Door Parts,” for parts and definitions complete with helpful visuals!

More Helpful Door Info.

Choosing the Right Size Door for Your Interior or Exterior Prehung Door: A Step-by-Step Guide

Slab and Prehung Doors – What’s the Difference and What You’re Getting

Prehung vs Slab Doors: A Guide to Understanding What’s Best for Your Home

Elevate Your Space with Our Custom Art Glass Doors

If you’re replacing a door, rather than get a standard, plain door, consider getting a beautiful custom art glass door that adds interest, elegance and a custom feature for any room in your home! Explore our exquisite collection of handcrafted designs that blend functionality with artistic expression. Our doors not only serve as entryways but are captivating art pieces that enhance the aesthetic appeal of your space. Discover the perfect fusion of art and architecture with our custom creations.