Mass . . . kilogram
Capacity . . . cubic meter
The pound is a unit of weight or mass, not capacity. A kilogram is a metric unit of mass slightly greater than 2 pounds .
sob
The metric unit is a millilitre. The metric unit is a millilitre. The metric unit is a millilitre. The metric unit is a millilitre.
Milliliters is the metric unit to use for the capacity of a thimble.
The mass of any coin is typically measured in grams; the capacity or volume would be measured in millilitres.
Metric
The metric standard unit of mass is the kilogram (Kg).
Capacity isn't a unit it is just a term that means how much a container holds. You can have metric units of capacity, such as Litres and Millilitres.
The SI (metric) unit for mass is the kilogram.
That depends how heavy the heavy fuel is. A gallon is a unit of capacity. A metric ton is a unit of mass. The two units are therefore incompatible.
liter
The SI unit for mass in the metric system is the kilogram.