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United States Inflation: 1978 to Now

$100.00 in 1978 is worth about $507.69 today (2026 prices).

Calculate

Cumulative change+407.7%
Average annual rate+3.44%

2026 is still in progress, so this figure averages the months published so far, not a full year.

At a Glance

USEquivalent value
$1.00$5.08
$10.00$50.77
$100.00$507.69
$1,000.00$5,076.88
$10,000$50,769
$100,000$507,688
$1,000,000$5,076,878

Year by Year

YearCPIEquivalent value
197865.2$100.00
197972.6$111.26
198082.4$126.33
198190.9$139.38
198296.5$147.93
198399.6$152.68
1984103.9$159.25
1985107.6$164.90
1986109.6$168.03
1987113.6$174.18
1988118.3$181.29
1989124.0$190.04
1990130.7$200.29
1991136.2$208.78
1992140.3$215.10
1993144.5$221.45
1994148.2$227.22
1995152.4$233.60
1996156.8$240.45
1997160.5$246.07
1998163.0$249.89
1999166.6$255.35
2000172.2$263.98
2001177.1$271.44
2002179.9$275.74
2003184.0$282.00
2004188.9$289.55
2005195.3$299.38
2006201.6$309.03
2007207.3$317.85
2008215.3$330.05
2009214.5$328.88
2010218.1$334.27
2011224.9$344.82
2012229.6$351.96
2013233.0$357.12
2014236.7$362.91
2015237.0$363.34
2016240.0$367.92
2017245.1$375.76
2018251.1$384.94
2019255.7$391.91
2020258.8$396.75
2021271.0$415.39
2022292.7$448.63
2023304.7$467.10
2024313.7$480.87
2025321.9$493.53
2026331.2$507.69

Other Starting Years

How This Is Calculated

Based on the official consumer price index (CPI) for this country — for the US, the Bureau of Labor Statistics' CPI-U, averaged from monthly figures to a single annual value; for Korea and Japan, the World Bank's annual CPI series. A gap in the source data is shown as a gap, never estimated or interpolated.

US: 19132026