In either case you are measuring based on the center of the meniscus. It is defined as the volume of a cube with sides of 1 yard 3 feet 36 inches 09144 metres in length. Return the overflow cup and the 25-mL graduated cylinder to the cabinet.
For example suppose you dispensed a 25-mL sample of water with the pipet and then you weighed the water and found that its mass was 24995 g at 25 degrees.
Ie the amount of fluid gas or liquid. For example wine is about 12 vv ethanol. It is defined as the volume of a cube with sides of 1 yard 3 feet 36 inches 09144 metres in length. Otherwise the wall width for all sides are included in the calculation.