Are the dollars countable

It’s countable.

Dollar has two meanings: uncountable dollar and countable dollar.

Dollar means dollar, and since dllar is a countable noun, you can add S, so dollar is a countable noun, it’s a noun you can count with.

The word “dollar” refers not only to the U.S. dollar, but also to some countries.

For example, the dollar used on a banknote.