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Box calculator

Package Girth Calculator

Use this quick package girth calculator for oversize screening. The longest input becomes length automatically, so dimension order does not matter.

Live calculator

Calculate length + girth

CALCULATES LOCALLY · NO UPLOAD
FORMULA
Length + Girth = Longest Side + 2 × (Other Side 1 + Other Side 2)
COMBINED LENGTH + GIRTH-
Length (longest side)-
Girth-
Cross-section sides-
Reference comparison-
Limit comparisons do not guarantee carrier acceptance. Measure the finished package at extreme dimensions.
Method

How this calculation works

For irregular packages, carriers may measure at extreme dimensions. ParcelCal runs the calculation in your browser; no package or shipment information is uploaded.

FORMULA
Girth = 2 × (Width + Height), where length is the longest side

For irregular packages, carriers may measure at extreme dimensions.

Worked example

Girth-only example

  1. 1.Dimensions: 40 × 12 × 10 in
  2. 2.Girth: 2 × (12 + 10) = 44 in
  3. 3.Length + girth: 40 + 44

Girth is 44 in and combined length plus girth is 84 in.