Finance
Inflation Calculator
Future value & lost purchasing power.
Result
$1,343.92
Equivalent nominal value in 10 years
Purchasing power today
$744.09
Value lost
$255.91 (25.6%)
Download results
Quick summary
See how inflation erodes the purchasing power of money over time and what an amount today will be worth tomorrow.
How to calculate inflation manually
- Future nominal = Amount · (1 + r)^n.
- Real purchasing power = Amount / (1 + r)^n.
See how inflation erodes the purchasing power of money over time and what an amount today will be worth tomorrow.
How it works
Future nominal = Amount · (1 + r)^n. Real purchasing power = Amount / (1 + r)^n.
Example
$1,000 at 3% inflation over 10 years → ≈ $1,344 nominal, $744 real (lost ≈ $256).
Insight
US CPI: purchasing power of $100 over time
What $100 in the listed year buys today, based on BLS CPI-U data.
| Year | $100 then equals today | Cumulative inflation |
|---|---|---|
| 1980 | $390 | +290 % |
| 1990 | $246 | +146 % |
| 2000 | $184 | +84 % |
| 2010 | $148 | +48 % |
| 2020 | $124 | +24 % |
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