Calculator Inputs
Historical uses actual US CPI data (1980–2025). Custom uses a fixed annual rate.
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The amount you want to evaluate in today's or future purchasing power.
The starting year for the calculation. Earliest available: 1980 for historical mode.
The ending year. Use a future year to project forward.
Results
$10,000 in 2000 equals
$19,263
in 2026 dollars
Purchasing Power Lost
48.09%
of original value eroded
Total Cumulative Inflation
92.63%
Over 26 years
Avg Annual Inflation
2.55%
Compound annual rate
Purchasing Power Loss / Yr
2.49%
Average per year
$10,000 from 2000 today
$19,263
In 2026 dollars
Purchasing Power Over Time
What $10,000 from 2000 is worth each year (in 2000 dollars, the orange line shows the eroded value of the original amount).
Annual Inflation Rate (Historical CPI)
What Different Amounts Are Worth in 2026
Purchasing power of common savings amounts from 2000 expressed in 2026 dollars (×1.93 multiplier).
| Amount in 2000 | Equivalent in 2026 | Value Eroded | Pct Eroded |
|---|---|---|---|
| $1,000 | $1,926 | $926.32 | 92.63% |
| $5,000 | $9,632 | $4,632 | 92.63% |
| $10,000 | $19,263 | $9,263 | 92.63% |
| $25,000 | $48,158 | $23,158 | 92.63% |
| $50,000 | $96,316 | $46,316 | 92.63% |
| $100,000 | $192,632 | $92,632 | 92.63% |
| $250,000 | $481,580 | $231,580 | 92.63% |
| $500,000 | $963,160 | $463,160 | 92.63% |
| $1.00M | $1.93M | $926,320 | 92.63% |
Year-by-Year Purchasing Power
| Year | Value in 2000 Dollars | CPI Rate | Cumulative Inflation | Purchasing Power Retained |
|---|---|---|---|---|
| 2000 | $10,000 | — | 0.00% | 100.00% |
| 2001 | $10,280 | 2.80% | 2.80% | 97.28% |
| 2002 | $10,444 | 1.60% | 4.44% | 95.74% |
| 2003 | $10,685 | 2.30% | 6.85% | 93.59% |
| 2004 | $10,973 | 2.70% | 9.73% | 91.13% |
| 2005 | $11,346 | 3.40% | 13.46% | 88.13% |
| 2006 | $11,709 | 3.20% | 17.09% | 85.40% |
| 2007 | $12,037 | 2.80% | 20.37% | 83.08% |
| 2008 | $12,495 | 3.80% | 24.95% | 80.03% |
| 2009 | $12,445 | -0.40% | 24.45% | 80.36% |
| 2010 | $12,644 | 1.60% | 26.44% | 79.09% |
| 2011 | $13,048 | 3.20% | 30.48% | 76.64% |
| 2012 | $13,322 | 2.10% | 33.22% | 75.06% |
| 2013 | $13,522 | 1.50% | 35.22% | 73.95% |
| 2014 | $13,739 | 1.60% | 37.39% | 72.79% |
| 2015 | $13,752 | 0.10% | 37.52% | 72.72% |
| 2016 | $13,931 | 1.30% | 39.31% | 71.78% |
| 2017 | $14,224 | 2.10% | 42.24% | 70.31% |
| 2018 | $14,565 | 2.40% | 45.65% | 68.66% |
| 2019 | $14,827 | 1.80% | 48.27% | 67.44% |
| 2020 | $15,005 | 1.20% | 50.05% | 66.64% |
| 2021 | $15,710 | 4.70% | 57.10% | 63.65% |
| 2022 | $16,967 | 8.00% | 69.67% | 58.94% |
| 2023 | $17,663 | 4.10% | 76.63% | 56.62% |
| 2024 | $18,175 | 2.90% | 81.75% | 55.02% |
| 2025 | $18,702 | 2.90% | 87.02% | 53.47% |
| 2026 | $19,263 | 3.00% | 92.63% | 51.91% |
What is Purchasing Power?
Purchasing power is the real value of money — what it can actually buy. When inflation is 3% per year, a basket of goods that costs $100 today costs $103 next year. Your dollar buys 3% less. Over 25 years at 3%, that $100 buys only about $48 worth of goods in today's terms.
The Rule of 72 for Inflation
Just like growth, you can estimate how long until inflation halves your purchasing power: divide 72 by the inflation rate. At 3% inflation, purchasing power halves in about 24 years. At 7% (like 2022), it halves in just ~10 years. This is why holding cash long-term is a guaranteed slow loss.
Why Your Investment Return Must Beat Inflation
A 5% nominal return at 3% inflation is only a 2% real return. That's what you actually gain in purchasing power. If your savings account earns 2% but inflation is 4%, you're losing ground in real terms even though your balance is growing. Always compare returns to inflation, not to zero — a CAGR calculator can help you see the real annualized growth rate an investment actually delivered.
Inflation and Retirement Planning
A $5,000/month retirement budget today will feel like less and less over time. After 20 years at 3% inflation, it has the purchasing power of only ~$2,770 in today's dollars. Retirees must either have inflation-adjusted income (Social Security, TIPS) or a portfolio large enough that withdrawals keep up with rising costs.
Frequently Asked Questions
What is inflation?
Inflation is the rate at which the general price level of goods and services rises over time, eroding the purchasing power of money. The US Federal Reserve targets a 2% annual inflation rate. Measured by the Consumer Price Index (CPI), inflation averaged about 3.3% per year from 1980 to 2024.
How does inflation erode investment returns?
If your investment earns 8% annually but inflation runs at 3%, your real (inflation-adjusted) return is roughly 5%. This is why financial planning uses real returns rather than nominal returns. Stocks have historically outpaced inflation over long periods; cash savings often do not.
What was the highest US inflation rate?
US inflation peaked at approximately 13–14% in 1979–1980, driven by the oil crisis and loose monetary policy. The Federal Reserve under Paul Volcker raised interest rates sharply to bring inflation under control in the early 1980s. More recently, post-pandemic inflation peaked near 9% in June 2022.
How should I protect my portfolio from inflation?
Equities (stocks) are the best long-term inflation hedge as companies can raise prices with inflation. TIPS (Treasury Inflation-Protected Securities) and I-Bonds provide direct inflation protection. Real estate and commodities also tend to hold value during inflationary periods. Cash and long-duration bonds suffer most in high-inflation environments.
What is the difference between real and nominal return?
Nominal return is the percentage gain on an investment before accounting for inflation. Real return subtracts inflation from the nominal figure, showing how much purchasing power you actually gained. A 6% nominal return during 3% inflation is roughly a 3% real return — the number that matters for long-term financial planning.
Why does the Fed target 2% inflation instead of 0%?
A small, stable, positive inflation rate gives the Federal Reserve room to cut interest rates during downturns without hitting zero, and it provides a buffer against deflation, which can be more economically damaging by discouraging spending and investment. The Fed has used 2% as its long-run target rate.
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