1. What is the US Flag Proportion?

The official proportions of the US flag are defined by a hoist (height) to fly (width) ratio of 1:1.9. This means the width should be 1.9 times the height, or conversely, the height should be approximately 0.5385 times the width.

2. How Does the Calculator Work?

The calculator uses the standard US flag proportion:

Where:

• \( hoist \) — Height of the flag
• \( fly \) — Width of the flag
• \( 0.5385 \) — Conversion factor (1/1.9)

Explanation: This calculation maintains the official proportions of the US flag as specified in federal regulations.

3. Importance of Correct Flag Proportions

Details: Maintaining proper flag proportions is important for official displays, government buildings, and respectful presentation of the flag. The 1:1.9 ratio ensures all elements (stars and stripes) appear correctly proportioned.

4. Using the Calculator

Tips: Enter the desired width (fly) of your flag in any units (inches, feet, meters). The calculator will return the proper height (hoist) to maintain official proportions.

5. Frequently Asked Questions (FAQ)

Q1: Are these proportions required by law?
A: For federal government displays, yes. For private use, these are recommended but not legally required proportions.

Q2: What about the sizes of the stars and stripes?
A: All other flag elements have their own proportional relationships based on the hoist measurement.

Q3: Can I use different proportions?
A: While you can, it may make the flag look distorted or unofficial. The standard proportions are most aesthetically pleasing.

Q4: What are common flag sizes using these proportions?
A: Common sizes include 3'×5' (standard), 4'×6', and 5'×9.5' - all maintaining the 1:1.9 ratio.

Q5: How precise do I need to be with these measurements?
A: For most purposes, rounding to the nearest 1/4 inch is sufficient. For official displays, greater precision may be required.