Conversion & calculation
Unit converter
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Converted result
CBM calculator
Calculate shipping volume from box dimensions and quantity.
cm
cm
cm
boxes
CBM per box
Total CBM
Length × width × height (m) = CBM per box
For boxes of the same size. 1 CBM = 1 m³.
Results show up to 10 significant digits. Very large or small values use scientific notation.
How to use
- Choose a category, enter a value and select source and target units. The result updates immediately. Use Swap units to reverse the selection.
- Enter box length, width and height in centimeters or meters to calculate cubic meters per box.
- Enter the number of same-size boxes for total CBM. Copy buttons exclude units and thousands separators.
Example
A 50 × 40 × 30 cm box is 50 × 40 × 30 ÷ 1,000,000 = 0.06 CBM. Ten identical boxes total 0.6 CBM.
Frequently asked question
Are US gallons and Imperial gallons the same?
No. Choose the correct gallon type. Temperature must be at or above absolute zero; other conversion values must be nonnegative. CBM assumes identical boxes and excludes pallet volume or empty space.