$100 in 1970 is worth $830 in 2025,
because prices increased 729.8% over that period, an average of
3.92% a year.
$100 in 1970 has
the same buying power as
$830
in 2025
Detailed inflation statistics
Cumulative price change
729.8%
Average inflation rate
3.92% per year
Converted amount ($100 base)
$830
Price difference ($100 base)
$730
CPI in 1970
38.8
CPI in 2025
321.943
Inflation in 1970
5.72%
Inflation in 2025
2.63%
$100 in 1970 → 2025
$830
$100 in 2025 → 1970
$12.05
What happened to prices between 1970 and 2025
Between 1970 and 2025, the Consumer Price Index went from 38.8 to 321.943.
Cumulatively, prices increased 729.8%, which works out to an average of
3.92% per year. Put differently, a dollar in 1970 bought what
$0.12 buys in 2025: the 1970 dollar
lost 87.9% of its purchasing power over
these 55 years.
Consumer prices rose 5.7% in 1970, up from 1969’s 5.5%, extending a
run of faster price growth that stretched back to the mid-1960s, even as a
recession that began in December 1969 pushed unemployment toward 6%. Prices
and joblessness rising together confounded the era’s economic thinking, which
held that policymakers could trade a little more inflation for a little less
unemployment; 1970 was an early sign that trade-off was breaking down, a
pattern that would harden into stagflation later in the decade. Washington
restructured how it delivered mail that year: after postal workers staged the
first strike ever by federal employees that March, Congress passed the Postal
Reorganization Act in August, replacing the cabinet-level Post Office
Department with the independent U.S. Postal Service. Environmental policy
also took shape in 1970. An estimated 20 million Americans marked the first
Earth Day on April 22, and the Environmental Protection Agency opened that
December to enforce the Clean Air Act and the pollution rules that followed.
The Vietnam War kept dividing the country: on May 4, National Guard troops
fired on antiwar demonstrators at Kent State University in Ohio, killing four
students and setting off strikes on hundreds of campuses. A median household
earned $8,734 that year, a gallon of gas averaged 36 cents, and a first-class
stamp cost 6 cents, the rate it had held since 1968. Prices stood 291.9%
above their 1913 level by the end of 1970, a milestone that
would look almost mild against the decade still to come.
Every 1970 amount converts to 2025 at the same ratio, 8.30: $1,000 becomes
$8,298, and $10,000 becomes $82,975.
Amount in 1970
Value in 2025
$1.00
$8.30
$5.00
$41.49
$10.00
$82.98
$20.00
$166
$50.00
$415
$100
$830
$500
$4,149
$1,000
$8,298
$5,000
$41,488
$10,000
$82,975
$100,000
$829,750
$1,000,000
$8,297,500
Inflation by spending category, 1970–2025
Between 1970 and 2025, medical care rose the most, up 1606.2%, while apparel rose the least, up 121.8%, against 729.8% for all items. The headline number is an average; here is what $100 of 1970
spending costs in 2025, by category:
Category
Avg. yearly inflation
$100 in 1970 →
All items (CPI-U)
3.92%
$830
Medical care
5.29%
$1,706
Energy
4.45%
$1,096
Housing
4.18%
$952
Food
4.00%
$866
Core (all items less food & energy)
3.86%
$804
Transportation
3.67%
$726
Apparel
1.46%
$222
Not shown because the BLS began these indexes after 1970: recreation (1993–), education & communication (1993–).
Decade by decade: 1970 to 2025
Prices climbed fastest in the 1970s, averaging 7.82% a year, and slowest in the 2010s (1.73% a year). Each step below chains into the full 1970–2025 change:
Years
Avg. yearly inflation
Price change
$100 from 1970, at end
1970–1980
7.82%
112.4%
$212
1980–1990
4.72%
58.6%
$337
1990–2000
2.80%
31.8%
$444
2000–2010
2.39%
26.6%
$562
2010–2020
1.73%
18.7%
$667
2020–2025
4.46%
24.4%
$830
Year by year: CPI and the value of $100 from 1970
$100 from 1970 had already become $420 by
1998, on its way to $830 in 2025; each row shows the CPI, that
year's inflation rate, and the running value.
Within the span, inflation peaked at 13.5% in 1980, and prices fell 0.4% in 2009, the deepest deflation of the period.
Long periods are sampled every 2 years; the calculator above covers any pair of years.
The destination year: 2025
In 2025, prices rose 2.6% and $100 from 1970 had the buying
power of $830; the year's average CPI of 321.943 is the level
behind every 2025 figure on this page.
2025 was a year of trade policy and data disruptions rather than an
inflation surge. Consumer prices rose 2.6% on average, a step down from
2024’s 2.9% and well below the 8.0% of 2022. Tariffs announced in April
pushed up prices for some imported goods, including furniture, apparel, and
auto parts, but the effect on the overall index was smaller than many
forecasters feared at the start of the year, in part because retailers
absorbed some of the cost and demand for services stayed steady.
The Federal Reserve held its policy rate steady through the first half of the
year, then began cutting again in September, lowering it in three quarter-point
steps to 3.50–3.75% by December.
The federal government shutdown that began October 1 lasted 43 days, and the
Bureau of Labor Statistics did not publish a CPI for October 2025 because the
survey data could not be collected. The federal minimum wage stayed at $7.25,
and a first-class stamp rose to 78 cents in July.
MLA: “Inflation from 1970 to 2025: $100 is worth $830 today.” InflationCalculator.com, U.S. Bureau of Labor Statistics CPI-U data, https://inflationcalculator.com/inflation/1970-to-2025/
APA: InflationCalculator.com. Inflation from 1970 to 2025. Based on U.S. Bureau of Labor Statistics CPI-U data. Retrieved from https://inflationcalculator.com/inflation/1970-to-2025/