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Field note4 min read

Length and Girth Explained

The longest side is length. Girth wraps around the other two sides.

Rectangular package formula

FORMULA
Length + girth = Longest side + 2 × (other side 1 + other side 2)

Example: 30 × 20 × 10 in

Carrier limits vary by service. Treat any generic threshold as a screening value, then confirm the current guide.

  • Length: 30 in.
  • Girth: 2 × (20 + 10) = 60 in.
  • Combined: 90 in.