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American Flag Ratio:
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The official ratio for the American flag is 10:19, meaning the height is 10 units while the width is 19 units. This proportion ensures the flag maintains its proper appearance and symbolic integrity.
The calculator uses the standard American flag ratio formula:
Where:
Explanation: The calculator compares your flag's dimensions to the official ratio to determine if it follows proper proportions.
Details: Maintaining the correct 10:19 ratio is essential for the proper display of the American flag. This ensures the stars and stripes appear in their intended proportions and maintains the flag's dignified appearance.
Tips: Enter the height and width of your flag in feet (or any consistent unit). The calculator will compute the ratio and compare it to the standard 10:19 ratio.
Q1: Why is the American flag ratio 10:19?
A: This ratio was established by Executive Order 10834 in 1959 to standardize flag proportions for official use, ensuring consistent and proper appearance.
Q2: Are there exceptions to the 10:19 ratio?
A: While 10:19 is the standard for government flags, some ceremonial, decorative, or parade flags may use different proportions for specific purposes.
Q3: How precise must the ratio be?
A: For official purposes, the ratio should be as close to 10:19 as practical. Small variations may be acceptable for non-official flags.
Q4: What are common flag sizes that follow this ratio?
A: Common official sizes include 3'×5', 4'×6', and 5'×9.5', all maintaining the 10:19 ratio (or very close approximations).
Q5: Does this ratio apply to all American flags?
A: The 10:19 ratio is the standard for modern U.S. flags, though historical flags from different eras may have used different proportions.