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Volume calculator

Cubic Feet Shipping Calculator

A U.S.-focused shipping cube calculator that prioritizes cubic feet while retaining metric and cubic-inch equivalents.

Live calculator

Calculate package & shipment volume

CALCULATES LOCALLY · NO UPLOAD
FORMULA
Volume = Length × Width × Height × Quantity

All outputs are converted from the same physical volume.

TOTAL CUBIC FEET-
Cubic meters / CBM-
Cubic feet-
Cubic inches-
Cubic centimeters-
Liters-
Per-package volume-
Volume is geometric space. Freight billing may also apply density, dimensional weight, or rounding rules.
Method

How this calculation works

One cubic foot equals 1,728 cubic inches. ParcelCal runs the calculation in your browser; no package or shipment information is uploaded.

FORMULA
Cubic feet = Length(in) × Width(in) × Height(in) × Quantity ÷ 1,728

One cubic foot equals 1,728 cubic inches.

Worked example

Four 24 × 18 × 12 in cartons

  1. 1.Per carton: 5,184 in³
  2. 2.5,184 ÷ 1,728 = 3 ft³
  3. 3.3 × 4 cartons

Total shipment volume is 12 ft³.