U.S. inflation · 1978–2026
$100 in 1978 has the same buying power as
$507
in 2026
| Cumulative price change | 407.2% |
|---|---|
| Average inflation rate | 3.44% per year |
| Converted amount ($100 base) | $507 |
| Price difference ($100 base) | $407 |
| CPI in 1978 | 65.2 |
| CPI in 2026 | 330.724 |
| Inflation in 1978 | 7.59% |
| Inflation in 2026 | 2.73% |
| $100 in 1978 → 2026 | $507 |
| $100 in 2026 → 1978 | $19.71 |
Uses a partial-year average for the current year; updates with each CPI release.
Between 1978 and 2026, the Consumer Price Index went from 65.2 to 330.724. Cumulatively, prices increased 407.2%, which works out to an average of 3.44% per year. Put differently, a dollar in 1978 bought what $0.20 buys in 2026.
| Amount in 1978 | Value in 2026 |
|---|---|
| $1.00 | $5.07 |
| $5.00 | $25.36 |
| $10.00 | $50.72 |
| $20.00 | $101 |
| $50.00 | $254 |
| $100 | $507 |
| $500 | $2,536 |
| $1,000 | $5,072 |
| $5,000 | $25,362 |
| $10,000 | $50,725 |
| $100,000 | $507,245 |
| $1,000,000 | $5,072,454 |
The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1978 spending costs in 2026, by category:
| Category | Avg. yearly inflation | $100 in 1978 → |
|---|---|---|
| All items (CPI-U) | 3.44% | $507 |
| Medical care | 4.82% | $958 |
| Energy | 3.77% | $592 |
| Housing | 3.69% | $571 |
| Core (all items less food & energy) | 3.46% | $511 |
| Food | 3.33% | $483 |
| Transportation | 3.23% | $460 |
| Apparel | 1.08% | $167 |
Not shown because the BLS began these indexes after 1978: recreation (1993–), education & communication (1993–).
| Year | CPI | Inflation rate | $100 from 1978 |
|---|---|---|---|
| 1978 | 65.2 | 7.6% | $100 |
| 1980 | 82.4 | 13.5% | $126 |
| 1982 | 96.5 | 6.2% | $148 |
| 1984 | 103.9 | 4.3% | $159 |
| 1986 | 109.6 | 1.9% | $168 |
| 1988 | 118.3 | 4.1% | $181 |
| 1990 | 130.7 | 5.4% | $200 |
| 1992 | 140.3 | 3.0% | $215 |
| 1994 | 148.2 | 2.6% | $227 |
| 1996 | 156.9 | 3.0% | $241 |
| 1998 | 163 | 1.6% | $250 |
| 2000 | 172.2 | 3.4% | $264 |
| 2002 | 179.9 | 1.6% | $276 |
| 2004 | 188.9 | 2.7% | $290 |
| 2006 | 201.6 | 3.2% | $309 |
| 2008 | 215.303 | 3.8% | $330 |
| 2010 | 218.056 | 1.6% | $334 |
| 2012 | 229.594 | 2.1% | $352 |
| 2014 | 236.736 | 1.6% | $363 |
| 2016 | 240.007 | 1.3% | $368 |
| 2018 | 251.107 | 2.4% | $385 |
| 2020 | 258.811 | 1.2% | $397 |
| 2022 | 292.655 | 8.0% | $449 |
| 2024 | 313.689 | 2.9% | $481 |
| 2026 | 330.724 | 2.7% | $507 |
Long periods are sampled every 2 years; the calculator above covers any pair of years.
MLA: “Inflation from 1978 to 2026: $100 is worth $507 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1978-to-2026/
APA: InflationCalculator.com. Inflation from 1978 to 2026. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1978-to-2026/
Source: U.S. Bureau of Labor Statistics, CPI-U annual averages (series CUUR0000SA0; category indexes listed on the data sources page). See how these numbers are calculated.