Your money is
losing value.
Why $10,000 today
isn't $10,000 tomorrow.
Inflation is the silent erosion of your money's purchasing power. Every year, central banks expand the money supply, prices rise, and the same cash buys less. A dollar held under a mattress today will buy noticeably less bread, fuel, or shelter a decade from now — even though the number on the bill hasn't changed.
The calculator below shows what your money was actually worth over time — and how the same starting amount would have performed if held in the S&P 500, gold, or Bitcoin instead.
Compare side by side.
Select your currency, amount and a starting year to compare inflation, the S&P 500, gold and Bitcoin over time.
Sources: World Bank (CPI), CoinGecko (live BTC + PAX Gold). Gold is tracked via the SPDR Gold Shares ETF (GLD), which mirrors the spot gold price minus a 0.40% annual expense ratio. S&P 500 uses annual total return. The 2026 data point uses live prices for BTC and gold; S&P 500 and CPI for 2026 are YTD estimates. Chart uses a log scale to compare assets of very different magnitudes.