Cubic Meter Calculator
Your estimate
Cubic metres0.68 m³24 ft³ · 180 gal
- Litres
- 179.5 gal679.6 L
- Cubic feet
- 24 ft³0.89 yd³ · 0.68 m³
Volume in m³ for concrete, soil, rooms and shipping (CBM) — enter centimetres or metres.
Updated 2026-10-20 · Based on: exact NIST unit definitions.
How to use the Cubic Meter Calculator
- Choose box or cylinder.
- Enter the sizes in cm or m.
- For shipping, enter one carton and the number of cartons.
Formula
m³ = length × width × height in metres. From centimetres: multiply and divide by 1,000,000.
1 m³ = 1,000 litres = 35.31 ft³ = 1.308 yd³.
Worked example
With the values preset in the calculator above: (Box)
- Length
- 4 ft
- Width
- 3 ft
- Height
- 2 ft
- Quantity
- 1
- Cubic metres
- 0.68 m³ (24 ft³)
- Litres
- 179.5 gal (679.6 L)
- Cubic feet
- 24 ft³ (0.89 yd³)
CBM calculator for shipping
Freight forwarders charge by CBM (cubic metre). A carton 60 × 40 × 40 cm is 0.096 m³; 50 of them are 4.8 CBM. A 20 ft container takes about 28 CBM of cargo, a 40 ft about 58 CBM.
Frequently asked questions
How do I calculate cubic metres?
Length × width × height in metres. A pallet stack 1.2 × 0.8 × 0.5 m is 0.48 m³.
How many litres in a cubic metre?
1,000 litres.
How do I convert cm³ to m³?
Divide by 1,000,000.
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Estimates only — check quantities with your supplier and local building code before you order.