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Metric volume unit converter

Convert volumes between the units of the metric system, from the cubic millimetre to the cubic myriametre, with the cubic decimetre also shown as the litre.

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Cubic decimetre · litre

1000 dm³ · L

Equivalents

Cubic myriametre1e-12 mam³
Cubic kilometre1e-9 km³
Cubic hectometre0.000001 hm³
Cubic decametre0.001 dam³
Cubic metre1 m³
Cubic decimetre · litre1000 dm³ · L
Cubic centimetre1000000 cm³
Cubic millimetre1000000000 mm³

For volume each step multiplies or divides by 1000 (10 × 10 × 10):

  • 1 m³ = 1000 dm³ = 1,000,000 cm³
  • 1 dm³ = 1 litre (L) = 1000 cm³
  • 1 cm³ = 1 mL = 1000 mm³
  • 1 dam³ = 1000 m³; 1 hm³ = 1,000,000 m³ (common for reservoirs)
  • 1 km³ = 10⁹ m³; 1 mam³ = 1000 km³

Use cases

  • Solving volume unit exercises.
  • Converting a tank's capacity from m³ to litres.
  • Understanding reservoir data in cubic hectometres.

How it works

  1. 1

    Type the amount

    Decimals with a dot or a comma are accepted, as are negative values.

  2. 2

    Pick the units

    Choose the source and target units; the result and the equivalents table update instantly.

Technical details

  • Since 1964 the litre has been defined as exactly 1 dm³.
  • Results use 10 significant figures; very large or very small values are shown in scientific notation (e.g. 1e-10).

Frequently asked questions

How many litres are in a cubic metre?

1000 litres.

Is a cubic centimetre a millilitre?

Yes, 1 cm³ = 1 mL exactly.

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