People use different ways to calculate the quantity of Federal Reserve U.S. dollars. At Monetary Choice, the inputs are:
Currency in Circulation + Checking Deposits + Savings Deposits + U.S. Government Demand Deposits and Note Balances + Demand Deposits Due to Foreign Commercial Banks + Demand Deposits Due to Foreign Official Institutions.
The first three comprise 99 percent of the dollars:
We include savings deposits because the money can be easily moved into a checking deposits from which it could be spent.
See more info about our tracking of Federal Reserve U.S. Dollars.