Inflation Simulator (2D) 2D · Canvas
Scenario
Inflation Rate
Annual inflation rate r (%/yr)
4.0%
Time Horizon
Years (t)
20 yr
Starting Basket
Starting price / savings ($)
Statistics
$100.00
Price Level
100.0%
Purchasing Power
0.0%
Cumulative Inflation
Yr 0.0
Elapsed Time
Compound inflation: price(t) = price₀·(1+r)t
purchasing power(t) = 1 / (1+r)t

Even a modest annual rate compounds: at 4%/yr, prices roughly double in 18 years and today's dollar buys about half as much.