Money Supply Calculator
Print| Total M1 Narrow Money (Currency + Checking) | $0.00B |
The Money Supply Calculator computes national monetary aggregates—including M0 (Monetary Base), M1 (Narrow Money), and M2 (Broad Money)—based on Federal Reserve classification standards. Money supply measures the total stock of liquid assets and currency circulating within an economy at a given point in time.
Tracking money supply expansion and contraction helps financial analysts and central bank policymakers evaluate economic liquidity, forecast inflation trends, set interest rate policies, and analyze national purchasing power.
Monetary Aggregates (Money Supply) Formulas
The Federal Reserve categorizes the money supply into hierarchical liquidity tiers:
1. M0 (Monetary Base / High-Powered Money)
M0 = Physical Currency in Public Circulation + Commercial Bank Reserves at Central Bank
2. M1 Money Supply (Narrow Money)
M1 = Currency in Circulation + Demand Deposits + Other Checkable Deposits
3. M2 Money Supply (Broad Money)
M2 = M1 + Savings Deposits + Small Time Deposits (< $100k CDs) + Retail Money Market Mutual Funds
Federal Reserve Monetary Tiers Breakdown
Liquidity decreases as you move from M0 narrow money to broader M2/M3 aggregates:
| Monetary Aggregate | Liquidity Profile | Financial Components Included |
|---|---|---|
| M0 (Monetary Base) | Ultra-High Liquidity | Physical paper currency, coins, and commercial bank reserve balances deposited directly at the central bank. |
| M1 (Narrow Money) | High Transactional Liquidity | Physical currency in public hands, demand checking accounts, NOW accounts, and liquid debit transaction balances. |
| M2 (Broad Money) | Broad / Near-Money Liquidity | Includes all M1 plus savings accounts, money market deposit accounts, small CDs, and retail money market funds. |
| M3 (Broadest Aggregate) | Institutional Liquidity | Includes M2 plus large institutional time deposits ($100k+), institutional money market funds, and repurchase agreements. |
Step-by-Step Money Supply Example
Consider a national economy presenting the following financial liquidity data:
- Physical Currency in Circulation: $2.3 Trillion
- Demand & Checkable Deposits: $5.2 Trillion
- Savings Account Deposits: $11.0 Trillion
- Small Time Certificates of Deposit (CDs): $1.2 Trillion
- Retail Money Market Mutual Funds: $1.3 Trillion
Step 1: Calculate M1 Narrow Money Supply
M1 = $2.3 Trillion + $5.2 Trillion = $7.5 Trillion
Step 2: Calculate Near-Money Additions
Near-Money = $11.0 Trillion + $1.2 Trillion + $1.3 Trillion = $13.5 Trillion
Step 3: Combine M1 and Near-Money to Compute M2
M2 = $7.5 Trillion + $13.5 Trillion = $21.0 Trillion
Result: The nation maintains an M1 Money Supply of $7.5 Trillion and a broad M2 Money Supply of $21.0 Trillion.
Frequently Asked Questions (FAQ)
What is the Quantity Theory of Money equation?
The Quantity Theory of Money is expressed as M × V = P × Y, where M is Money Supply, V is Velocity of Money, P is Price Level (Inflation), and Y is Real GDP Output.
Why did the Federal Reserve reclassify savings accounts into M1 in 2020?
In May 2020, the Federal Reserve eliminated Regulation D transfer limits on savings accounts, officially combining savings deposits into M1 due to their instant transaction liquidity.
How does Money Supply expansion cause inflation?
If the central bank expands M2 money supply faster than the real economy can produce physical goods and services (growth in M > growth in Y), “more money chases fewer goods,” driving up the general price level.
What is the Velocity of Money?
The Velocity of Money measures how many times per year a single dollar bill is spent on final goods and services (Velocity = Nominal GDP / M2 Money Supply).