U.S. inflation · 1978–2018

Value of $100 in 1978, adjusted to 2018

$100 in 1978 has the same buying power as

$385

in 2018

$100$243$38519781988199820082018$100 · 1978$385 · 2018
Detailed inflation statistics
Cumulative price change285.1%
Average inflation rate3.43% per year
Converted amount ($100 base)$385
Price difference ($100 base)$285
CPI in 197865.2
CPI in 2018251.107
Inflation in 19787.59%
Inflation in 20182.44%
$100 in 19782018$385
$100 in 20181978$25.97

What happened to prices between 1978 and 2018

Between 1978 and 2018, the Consumer Price Index went from 65.2 to 251.107. Cumulatively, prices increased 285.1%, which works out to an average of 3.43% per year. Put differently, a dollar in 1978 bought what $0.26 buys in 2018.

Common amounts: 1978 dollars in 2018

Amount in 1978Value in 2018
$1.00$3.85
$5.00$19.26
$10.00$38.51
$20.00$77.03
$50.00$193
$100$385
$500$1,926
$1,000$3,851
$5,000$19,257
$10,000$38,513
$100,000$385,133
$1,000,000$3,851,334

Inflation by spending category, 1978–2018

The headline number is an average. Individual categories moved very differently over this period. Here is what $100 of 1978 spending costs in 2018, by category:

Category Avg. yearly inflation $100 in 1978 →
All items (CPI-U) 3.43% $385
Medical care 5.28% $784
Energy 3.65% $419
Housing 3.62% $414
Core (all items less food & energy) 3.48% $393
Food 3.20% $352
Transportation 3.12% $341
Apparel 1.09% $154

Not shown because the BLS began these indexes after 1978: recreation (1993–), education & communication (1993–).

Year by year: CPI and the value of $100 from 1978

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

Long periods are sampled every 2 years; the calculator above covers any pair of years.

Cite this page

MLA: “Inflation from 1978 to 2018: $100 is worth $385 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1978-to-2018/

APA: InflationCalculator.com. Inflation from 1978 to 2018. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1978-to-2018/

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.