Cubic Feet Shipping Calculator
A U.S.-focused shipping cube calculator that prioritizes cubic feet while retaining metric and cubic-inch equivalents.
Live calculator
CALCULATES LOCALLY · NO UPLOAD Calculate package & shipment 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.
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.Per carton: 5,184 in³
- 2.5,184 ÷ 1,728 = 3 ft³
- 3.3 × 4 cartons
Total shipment volume is 12 ft³.