Calculate the compounded future value of a 100.000 € lump sum over 40 years, fully adjusted for inflation.
Starting from 100.000 € and compounding at Europe's long-horizon equity return assumption of 8%, your investment reaches a nominal value of €2,17M after 40 years. After deflating that by 2.5% annual inflation, its real purchasing power in today's money is €809,09K — a 62.8% erosion driven entirely by the gap between nominal returns and price increases.
At a 8% return rate, your money doubles roughly every 9 years (Rule of 72). At 2.5% inflation, prices double every 29 years. Your real return — the only return that matters for purchasing power — is 5.5% per year.
| Year | Nominal value | Real value (today's purchasing power) | Purchasing power lost |
|---|---|---|---|
| 4 | €136,05K | €123,25K | 9.4% |
| 8 | €185,09K | €151,91K | 17.9% |
| 12 | €251,82K | €187,24K | 25.6% |
| 16 | €342,59K | €230,78K | 32.6% |
| 20 | €466,1K | €284,44K | 39.0% |
| 24 | €634,12K | €350,59K | 44.7% |
| 28 | €862,71K | €432,11K | 49.9% |
| 32 | €1,17M | €532,59K | 54.6% |
| 36 | €1,6M | €656,44K | 58.9% |
| 40 | €2,17M | €809,09K | 62.8% |
The return rate you can actually achieve is the single biggest lever on the final corpus. Three return scenarios:
| Scenario | Return assumption | Nominal in 40 yrs | Real in 40 yrs |
|---|---|---|---|
| Conservative | 5% | €704K | €262,19K |
| Expected | 8% | €2,17M | €809,09K |
| Optimistic | 11% | €6,5M | €2,42M |
The future value is calculated using two primary steps:
Where: PV = Present Value (initial amount), r = annual return rate, i = annual inflation rate, and n = duration in years.
Investing $100,000 at an 8% annual return rate for 30 years yields a nominal corpus of $1,006,265. However, at a standard 2.5% inflation rate, its purchasing power today is only $479,729, representing a 52.3% loss in value.
Calculate how the value of money decreases over time and see the future cost of today's goods.
Determine what a future financial goal is actually worth today after accounting for inflation.
Calculate the returns of your Systematic Investment Plan (SIP) and see its real inflation-adjusted value.