FINANCE · SAVINGS
Compound interest & inflation calculator
Model compound growth, then see the estimated purchasing power of the result in today's money.
ESTIMATED VALUE IN TODAY'S MONEY
$0
Nominal result adjusted by the inflation rate entered
Projected nominal value $0
Total deposits $0
Projected nominal growth $0
How the calculation works
The annual growth rate compounds monthly. Contributions are added at the end of each month. The nominal result is divided by the cumulative inflation factor to express it in today's money.
Today’s-money value = future nominal value ÷ (1 + inflation rate)ᵗ
Static illustration
| Starting / monthly | Growth | Inflation | 20-year nominal value |
|---|---|---|---|
| $1,000 / $100 | 5% | 2% | About $43,000 |
| $5,000 / $250 | 5% | 2% | About $121,000 |
| $10,000 / $500 | 5% | 2% | About $242,000 |
Questions
Are tax and fees included?
No. This model does not include investment fees, tax, withdrawals or exchange rates.
Can inflation be negative?
Use a non-negative long-term planning scenario; the result is illustrative only.