Philadelphia, Pennsylvania prices: $100 in 1917 $121.45 in 1918

Inflation in Pennsylvania

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Prices in Philadelphia, 1917-1918 ($100)

According to the U.S. Bureau of Labor Statistics, prices in Philadelphia, Pennsylvania were 21.45% higher in 1918 versus 1917 (a $21.45 difference in value).

Between 1917 and 1918: Philadelphia experienced an average inflation rate of 21.45% per year. This rate of change indicates significant inflation. In other words, $100 in Philadelphia in the year 1917 would cost $121.45 in 1918 for an equivalent purchase. Compared to the overall inflation rate of 17.34% during this same period, inflation in Philadelphia was significantly higher.

In the year 1917: Pricing changed by 13.45%, which is significantly below the average yearly change in Philadelphia during the 1917-1918 time period. Compared to inflation for all items in 1917 (17.81%), inflation in Philadelphia was much lower.

Price Inflation in Philadelphia, Pennsylvania since 1914

Consumer Price Index, U.S. Bureau of Labor Statistics
Years with the largest changes in pricing: 1919 (21.56%), 1918 (21.45%), and 1920 (16.49%).

View price changes for other categories
New cars · Public transportation · Wine at home · Fish and seafood · More

Buying power of $100.00 since 1917

Below are calculations of equivalent buying power in Philadelphia, over time, for $100 beginning in 1917. Each of the amounts below is equivalent in terms of what it could buy at the time:

YearUSD ValueInflation Rate
1917$100.0013.45%
1918$121.4521.45%
1919$147.6421.56%
1920$171.9816.49%
1921$157.66-8.33%
1922$146.22-7.25%
1923$148.551.59%
1924$149.820.86%
1925$154.763.30%
1926$159.493.06%
1927$157.23-1.42%
1928$153.78-2.20%
1929$150.81-1.93%
1930$149.12-1.12%
1931$137.40-7.86%
1932$123.64-10.02%
1933$113.27-8.39%
1934$118.704.80%
1935$120.541.55%
1936$122.871.93%
1937$125.832.41%
1938$123.22-2.08%
1939$121.24-1.60%
1940$121.380.12%
1941$127.384.94%
1942$141.7111.25%
1943$150.746.37%
1944$152.791.36%
1945$156.882.68%
1946$170.298.55%
1947$194.8514.42%
1948$210.307.93%
1949$207.83-1.17%
1950$209.100.61%
1951$228.449.25%
1952$232.821.92%
1953$233.940.48%
1954$236.341.03%
1955$235.85-0.21%
1956$239.101.38%
1957$246.793.22%
1958$251.661.97%
1959$254.481.12%
1960$259.001.77%
1961$261.891.12%
1962$264.220.89%
1963$268.951.79%
1964$273.181.57%
1965$277.421.55%
1966$285.392.87%
1967$293.152.72%
1968$307.204.79%
1969$323.505.31%
1970$345.246.72%
1971$362.104.89%
1972$372.122.77%
1973$397.186.73%
1974$444.3211.87%
1975$481.308.32%
1976$505.084.94%
1977$538.046.53%
1978$569.445.84%
1979$626.049.94%
1980$707.7613.05%
1981$779.8210.18%
1982$817.714.86%
1983$841.572.92%
1984$881.094.70%
1985$921.104.54%
1986$943.972.48%
1987$989.204.79%
1988$1,036.564.79%
1989$1,086.524.82%
1990$1,150.395.88%
1991$1,204.094.67%
1992$1,241.353.09%
1993$1,272.272.49%
1994$1,309.602.93%
1995$1,343.902.62%
1996$1,379.042.62%
1997$1,409.602.22%
1998$1,423.711.00%
1999$1,454.132.14%
2000$1,493.012.67%
2001$1,534.372.77%
2002$1,564.011.93%
2003$1,597.812.16%
2004$1,661.123.96%
2005$1,727.103.97%
2006$1,793.583.85%
2007$1,832.902.19%
2008$1,898.413.57%
2009$1,888.61-0.52%
2010$1,927.292.05%
2011$1,977.822.62%
2012$2,014.881.87%
2013$2,039.071.20%
2014$2,066.231.33%
2015$2,064.45-0.09%
2016$2,076.530.59%
2017$2,102.961.27%
2018$2,131.001.33%
2019$2,171.451.90%
2020$2,191.340.92%
2021$2,277.053.91%
2022$2,454.967.81%
2023$2,566.274.53%
2024$2,615.161.90%*

* Not final. See inflation summary for latest details.
** Extended periods of 0% inflation usually indicate incomplete underlying data. This can manifest as a sharp increase in inflation later on.


Raw Consumer Price Index data from U.S. Bureau of Labor Statistics for Philadelphia, Pennsylvania:

Year191419151916191719181919192019211922192319241925192619271928192919301931193219331934193519361937193819391940194119421943194419451946194719481949195019511952195319541955195619571958195919601961196219631964196519661967196819691970197119721973197419751976197719781979198019811982198319841985198619871988198919901991199219931994199519961997199819992000200120022003200420052006200720082009201020112012201320142015201620172018201920202021202220232024
CPI10.20010.20810.40811.80814.34217.43320.30818.61717.26717.54217.69218.27518.83318.56718.15817.80817.60816.22514.60013.37514.01714.23314.50814.85814.55014.31714.33315.04216.73317.80018.04218.52520.10823.00824.83324.54224.69226.97527.49227.62527.90827.85028.23329.14229.71730.05030.58330.92531.20031.75832.25832.75833.70034.61736.27538.20040.76742.75843.94246.90052.46756.83359.64263.53367.24273.92583.57592.08396.55899.375104.042108.767111.467116.808122.400128.300135.842142.183146.583150.233154.642158.692162.842166.450168.117171.708176.300181.183184.683188.675196.150203.942211.792216.435224.170223.013227.581233.547237.923240.780243.987243.778245.204248.325251.635256.411258.761268.882289.890303.034308.807

Adjust Philadelphia prices for inflation

Start with the inflation rate formula:

CPI in 1918 / CPI in 1917 * 1917 USD value = 1918 USD value

Then plug in historical CPI values from above. The CPI for Philadelphia, Pennsylvania was 11.808 in the year 1917 and 14.342 in 1918:

14.342 / 11.808 * $100 = $121.45

Therefore, according to U.S. Bureau of Labor Statistics, $100 in 1917 has the same "purchasing power" as $121.45 in 1918 (in the CPI category of Philadelphia, Pennsylvania).


Source: U.S. Bureau of Labor Statistics began tracking the Consumer Price Index for Philadelphia, Pennsylvania in 1914. In addition to Philadelphia, the index produces monthly data on changes in prices paid by urban consumers for a variety of goods and services.

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