Cubic Inches Calculator
Use this inches-to-cubic-inches calculator to multiply package length, width, and height. Its calculation engine also converts the result to cubic feet, liters, cubic centimeters, and CBM.
Live calculator
CALCULATES LOCALLY · NO UPLOAD Calculate package & shipment volume
TOTAL CUBIC INCHES
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
Use external dimensions when comparing carrier package volume. ParcelCal runs the calculation in your browser; no package or shipment information is uploaded.
FORMULA
Cubic inches = Length(in) × Width(in) × Height(in) × Quantity
Use external dimensions when comparing carrier package volume.
Worked example
16 × 12 × 10 in box
- 1.16 × 12 = 192
- 2.192 × 10 = 1,920
- 3.Convert as needed
The box is 1,920 in³, or about 1.11 ft³.