M0 is included in both M1 and M2. M0 is the total amount of paper money and coins in circulation, plus the current amount of central bank reserves. M1 is the most frequently reported headline number.

There are currently 114 billion pennies in circulation, or $1.14 billion ... were rounded to the nearest five cents, based on the total amount of the transaction, not on each individual item.

The M2 money supply measures the total amount of money in circulation within an economy, including both liquid and less liquid assets. Meanwhile, the CPI index tracks the average price change of ...