What Size Flag Do I Need? A Complete Flag Size Guide

Choosing the Right Flag Size

A flag that's too small looks lost on a tall pole, and one that's too large can strain your flagpole and wear out quickly. Getting the proportions right ensures your flag display looks sharp and lasts longer.

Flag Size by Flagpole Height

The general rule is your flag should be approximately 1/4 to 1/3 the height of your flagpole in length. Here are the recommended sizes:

Flagpole Height	Recommended Flag Size
15 feet	3' x 5'
20 feet	4' x 6'
25 feet	5' x 8'
30 feet	5' x 8' or 6' x 10'
35–40 feet	6' x 10'
50+ feet	8' x 12' or larger

Flag Size for Wall-Mounted Poles

For outrigger or wall-mounted flagpoles (typically 5–8 feet long), a 3' x 5' flag is the standard choice. This size provides good visibility without overwhelming the mount.

Flag Size for Your Home

Consider your home's size when choosing:

• Apartments/condos: 2.5' x 4' or 3' x 5' on a wall mount
• Single-story homes: 3' x 5' to 4' x 6' on a 15–20 foot pole
• Two-story homes: 4' x 6' to 5' x 8' on a 20–25 foot pole
• Estates/large properties: 5' x 8' or larger on a 25+ foot pole

Wind Considerations

In high-wind areas, consider going one size smaller than recommended. A smaller flag creates less drag, reducing stress on the pole and extending both flag and pole life. See our detailed Flag Size & Wind Speed Guide for specific wind ratings.

Material Matters

Flag material affects how it flies:

• Nylon: Lightweight, flies in light breezes, best for most residential use
• Polyester: Heavier, better for high-wind areas, more durable
• Cotton: Traditional look, best for indoor or ceremonial display

All our flags are 100% Made in the USA. Shop our flag collection to find the perfect size for your display.