Compound Interest & Inflation-Adjusted Return Calculator
Calculate future investment growth with monthly contributions, compare nominal returns against real inflation-adjusted purchasing power, and measure purchasing power erosion.
Portfolio & Investment Parameters
$
$
Years
Market Return & Inflation Assumptions
%
S&P 500 historic nominal: ~10%.
%
Federal Reserve target: ~2.0% - 2.5%.
Real Inflation-Adjusted Future Value
REAL RATE = +5.37%
$88,798
Actual purchasing power in today's dollars after 10 years of inflation
Nominal Future Value
$113,669
Total future dollar balance
Purchasing Power Lost
$24,871
21.9% eroded by 2.5% inflation
Portfolio Growth Breakdown
Total Principal Invested:
$70,000
Nominal Interest Earned:
$43,669
Fisher Real Annual Return:
5.37% / yr
Inflation Price Multiplier:
1.28x ($1.28 in 10 yrs = $1 today)