# What is the metric unit of volume?

Liter

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Litre (symbol L or l) is only an accepted unit in SI.

The official unit for volume in SI is the cubic metre (m3).

### How many barrels makes one metric tone?

You can't compare the two. A barrel is a unit of volume, a metric tonne (1000 kilogram) is a unit of mass. You can't compare the two. A barrel is a unit of volume, a metric tonne (1000 kilogram) is a unit of mass. You can't compare the two. A barrel is a unit of volume, a metric tonne (1000 kilogram) is a unit of mass. You can't compare the two. A barrel is a…