US Inflation Calculator
Calculate real value of money over time adjusted for inflation. Shows purchasing power changes and equivalent amounts across different years.
Inflation Calculator
Purchasing Power Change
CPI Index History
Typical Inflation by Category (2024 data)
π About Inflation
CPI (Consumer Price Index) measures the average change in prices paid by consumers over time
Inflation is when the general price level of goods and services increases, reducing purchasing power
This calculator uses the U.S. Consumer Price Index data to estimate how much money from one year is worth in another year
The Federal Reserve targets an inflation rate of about 2% annually as optimal for economic growth
What Inflation Actually Does to Money
Inflation reduces the buying power of a dollar over time. $100 in 2000 has the buying power of about $185 in 2024, meaning the same goods cost 85% more. The Consumer Price Index (CPI) tracks this with a basket of goods covering housing, food, energy, transportation, healthcare, and miscellaneous services. The official CPI sits around 3.2% annual for 2024, down from the 9% peak in mid-2022.
Inflation does not hit everyone equally. Healthcare and education have inflated 4-5%/year for decades while consumer electronics have actually deflated. Your personal inflation rate depends on your spending mix - a renter facing 8% rent increases experiences much higher inflation than a homeowner with a fixed mortgage.
Real vs Nominal Returns
A 7% nominal return on stocks during 4% inflation is only a 3% real return - you grew your portfolio by 7% but the dollars are worth 4% less. Long-term US stock returns average about 7% real (after inflation), 10% nominal. Treasury bonds average 1-2% real, 4-5% nominal. Cash savings often produce negative real returns - 0.5% interest during 4% inflation loses 3.5% of buying power per year.
Always think in real terms when planning long-term. A retirement target of $1 million in 2024 dollars needs to grow to roughly $1.5 million by 2040 just to maintain purchasing power, before any actual gain. Use the [Compound Interest Calculator](/compound-interest-calculator) with real (inflation-adjusted) return assumptions for honest projections.
Where Inflation Hits Hardest
The categories that have outpaced general CPI most: healthcare (about 4.7% annual since 2000), education (5%+ for college), childcare (5%), housing in major metros (4-5%). Categories that have lagged: clothing (about 0%), TVs and consumer electronics (deflation), food at home (close to general CPI). The mix of what you spend on determines your felt inflation.
Wages have generally tracked inflation over decades but with major timing gaps. Real (inflation-adjusted) median wages for full-time US workers were roughly flat from 1979 to 2014, then started rising. The 2021-2023 wage gains looked huge nominally but lagged inflation, leaving most workers slightly poorer in real terms.
Inflation-Protected Investments
Treasury Inflation-Protected Securities (TIPS) and Series I savings bonds adjust their principal or interest with CPI, guaranteeing you a real return. TIPS pay a small real coupon (currently 1-2%); I-bonds pay a fixed rate plus an inflation adjustment that resets every 6 months. I-bond limits are $10k/year per person electronically (plus $5k via tax refund).
Stocks are imperfect inflation hedges - they generally outpace inflation over decades but can lag it during specific high-inflation episodes (the 1970s especially). Real estate also generally outpaces inflation through rent growth and property appreciation. Holding cash long-term is the worst inflation strategy for sums beyond 6-12 months of emergency savings.
Frequently Asked Questions
How is CPI calculated?
BLS surveys prices on a fixed basket of about 80,000 goods and services across 24,000 retail outlets each month. The basket weights reflect average household spending. Sub-indices break out food, energy, shelter, and core CPI (excluding food and energy, which are volatile).
Why is inflation different from cost of living?
Inflation = year-over-year change in prices. Cost of living = price level at a point in time, often comparing two cities or two time periods. A city with a high cost of living might still have low inflation; a low-cost city might have high inflation if it is gentrifying. Both matter for different decisions.
Can inflation ever be good?
Mild inflation (1-3%) is the Fed's stated target - it encourages spending and investment vs hoarding cash. It also reduces the real burden of fixed-rate debt; a 30-year mortgage at 4% becomes 'cheaper' in real terms during inflation. Deflation (negative inflation) is generally worse for the economy than mild inflation.
How does inflation affect my taxes?
Most federal tax brackets, the standard deduction, retirement contribution limits, and Social Security wage base are inflation-adjusted annually. So you do not get pushed into higher brackets just because of inflation. Capital gains thresholds were not always indexed historically, leading to 'phantom gains' on long-held assets.
Related Tools
US Cost of Living Comparison
Compare living costs between US cities and states. See housing, food, transport, healthcare price differences and calculate equivalent salary needed.
US Salary vs Hourly Calculator
Compare salary and hourly wage earnings. Calculate equivalent pay between job offers, account for benefits and show total annual compensation differences.