Cubic Meter Calculator
Calculate cubic metres (m³) from length, width, and height in any unit, with automatic conversion to litres, gallons, and cubic feet.
Reviewed October 7, 2026 Runs in your browser — inputs are never stored
Volume
15.0000 m³
Litres (L)
15000.0000
US Gallons
3962.5800
Cubic Feet (ft³)
529.7205
This tool provides general unit conversions for everyday and educational use. For regulated, legal, or scientific applications, verify conversion factors against the applicable official standard.
About the Cubic Meter Calculator
The cubic meter calculator finds the volume (CBM) of a box or space from its length, width and height in metres, centimetres, millimetres, feet, inches or yards. Cubic metres are the standard unit for freight shipping, concrete and earthworks. The result is also shown in litres, cubic feet and cubic yards.
How to use it
- 1Choose the unit of your measurements.
- 2Enter length, width and height.
- 3Read the volume in cubic metres and the equivalent units.
- 4Copy, share or print the result with the buttons below it.
Worked example
a space 3 m × 2 m × 2.5 m is 15 m³, which equals 15,000 litres or about 530 cubic feet.
How it works
Formula
Volume (m³) = Length (m) × Width (m) × Height (m)
Applications
- Concrete and soil volume for construction
- Shipping container and freight CBM calculation
- Swimming pool and tank capacity
- Timber and lumber volume
Common use cases
- Calculating freight CBM for shipping quotes
- Estimating concrete or soil volume
- Working out tank or pool capacity
Frequently asked questions
A:CBM = Cubic Metre. Freight rates are often quoted per CBM (1 m × 1 m × 1 m).
A:Exactly 1,000 litres = 1 m³.
Reviewed for accuracy · Last updated October 7, 2026
Conversion factors are based on internationally defined SI units and standard metric/imperial equivalence tables.
CalcWisee Editorial Team
Calculator development and formula review
CalcWisee is an independent site founded by Ayman. Every calculator is built from a published formula or official definition, tested against hand-worked examples before it goes live, and corrected promptly when a reader reports an issue to ayman@calcwisee.com.
Expertise: Financial mathematics, Health and fitness formulas, Applied mathematics, Unit conversion standards
References & sources
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