The total, aggregate or sum of material (not applicable to discrete numbers or units or items in standard English).
The amount of atmospheric pollution threatens a health crisis.
A quantity or volume.
Pour a small amount of water into the dish.
(sometimes proscribed) The number (the sum) of elements in a set.
(followed by to) To total or evaluate.
It amounts to three dollars and change.
(followed by to) To be the same as or equivalent to.
He was a pretty good student, but never amounted to much professionally.
To go up; to ascend.