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Flag Calculator | USA
Calculate official US flag dimensions and proportions
Specifications: Official U.S. flag proportions follow Executive Order 10834 (Hoist (A) = 1.0, Fly (B) = 1.9, Union Hoist (C) = 0.5385, Union Fly (D) = 0.76). Enter either Hoist or Fly below.
Flag Dimensions Input
Calculation Results
⚠️ For standard reference and manufacturing estimation purposes only.