How this calculator works
Volume = length × width × height. The result is converted from the selected input unit.
Worked example
A 40 × 30 × 20 cm box contains 24,000 cm³, equal to 24 liters or 0.024 m³.
How to measure
- Use internal dimensions for product capacity.
- Use external dimensions for freight space.
- Keep all three inputs in the same unit.
Common mistakes
- Mixing internal and external dimensions.
- Mixing inches and centimeters.
- Confusing liters with cubic meters.
Planning note: This result is an estimate, not a carrier quote. Equipment, services, limits and rounding rules can vary. Confirm operational decisions with the relevant provider.