Packaging calculator
Box Volume Calculator
Convert internal box dimensions into litres, cubic inches, cubic feet and dimensional shipping weight.
● Runs in your browser
INPUTChange any value
RESULTUpdates instantly
Capacity7.08 L
Volume432.0 in³0.250 ft³
Dimensional weight3.11 lbUse external dimensions for carrier billing
How it works
A useful answer,
with the math visible.
Convert internal box dimensions into litres, cubic inches, cubic feet and dimensional shipping weight. Adjust the fields above and the result updates immediately—there is no upload, account or hidden processing step.
FORMULAVolume = internal length × width × height
Worked example
A 12 × 9 × 4 in box holds 432 in³ (about 7.08 L).
Before you send the file
- Use internal dimensions for capacity and external dimensions for carrier billing.
- Dimensional-weight divisors differ by carrier, service and region.
- This tool does not check product fit, cushioning or compression strength.
Production note
This calculator is a planning aid. Materials, equipment and supplier tolerances vary, so verify final specifications with the printer or carrier responsible for production.