Finance

Money Supply & Multiplier Calculator

Calculate the money multiplier effect and total money supply from the monetary base.

Initial Deposit / Monetary Base ($)

Reserve Ratio (%)

Required reserve percentage

Excess Reserve Ratio (%)

Banks hold above required (reduces multiplier)

Formulas:
Simple Multiplier = 1 / Reserve Ratio
Effective Multiplier = 1 / (Required + Excess Reserve Ratio)
Total Money Supply = Base × Multiplier