Metric
The customary unit of capacity for a bathtub is gallons.
Capacity isn't a unit at all. It's a characteristic, or a property of an item, which can be measured in whatever suitable unit. Capacity of batteries is measured in amp hours. Capacity of a gas tank can come in either liters or gallons.
Milliliters is the metric unit to use for the capacity of a thimble.
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.
A millimeter is a unit of length, not a unit of volume or capacity. Perhaps you mean a cubic millimeter.
A litre is a unit of volume.
The unit is a litre.
decimeter is not related to capacity, it is in length.
(mAh) is the capacity. Click the link.
There is no metric unit of capacity or volume that is equal to 1000 millimeters. This is because millimeters is length, and it has no relevance to capacity and/or volume.
Litres
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