US Inflation History

2015/09 : $1.00 100%
     10 : $1.00 100.04498860146%
     11 : $1.00 100.25659940463%
     12 : $0.99 100.60035952033%
  Yr Avg: $1.00 1.0022548688161
2016/01 : $1.00 100.43433218113%
     02 : $1.00 100.35173370128%
     03 : $1.00 99.921473293296%
     04 : $1.01 99.449973131639%
     05 : $1.01 99.049242184017%
     06 : $1.01 98.724993558489%
     07 : $1.01 98.885001860341%
     08 : $1.01 98.794267118225%
     09 : $1.01 98.557334596417%
     10 : $1.02 98.434610819583%
     11 : $1.01 98.587961517398%
     12 : $1.01 98.555702973545%
  Yr Avg: $1.01 0.99145552244613
2017/01 : $1.02 97.984673816736%
     02 : $1.02 97.67737027457%
     03 : $1.02 97.598042324492%
     04 : $1.03 97.309468453203%
     05 : $1.03 97.226364947224%
     06 : $1.03 97.138250028141%
     07 : $1.03 97.205314098572%
     08 : $1.03 96.915106176402%
     09 : $1.04 96.404653446701%
     10 : $1.04 96.465623211467%
     11 : $1.04 96.463277753589%
     12 : $1.04 96.520015496532%
  Yr Avg: $1.03 0.97075680002302
2018/01 : $1.04 95.997048802131%
     02 : $1.05 95.563695109123%
     03 : $1.05 95.348102369184%
     04 : $1.05 94.970585627325%
     05 : $1.06 94.577245542829%
     06 : $1.06 94.426740472998%
     07 : $1.06 94.420371802177%
     08 : $1.06 94.367946205394%
     09 : $1.06 94.258416236124%
     10 : $1.06 94.092177660033%
     11 : $1.06 94.408384715695%
     12 : $1.06 94.710885653635%
  Yr Avg: $1.06 0.94761800016387
2019/01 : $1.06 94.530654454617%
     02 : $1.06 94.132749710897%
     03 : $1.07 93.604693907064%
     04 : $1.07 93.11166700675%
     05 : $1.08 92.913876437783%
     06 : $1.08 92.895374999866%
     07 : $1.08 92.740412103262%
     08 : $1.08 92.745110303048%
     09 : $1.08 92.672507941293%
     10 : $1.08 92.461122943075%
     11 : $1.08 92.510732047997%
     12 : $1.08 92.594971862761%
  Yr Avg: $1.08 0.93076156143201
2020/01 : $1.08 92.237112291685%
     02 : $1.09 91.985016846021%
     03 : $1.08 92.185655470982%
     04 : $1.08 92.806245172509%
     05 : $1.08 92.804433876881%
     06 : $1.08 92.29936890187%
     07 : $1.09 91.83484441359%
     08 : $1.09 91.546180705924%
     09 : $1.09 91.418858277723%
     10 : $1.09 91.380940042036%
     11 : $1.09 91.436774565175%
     12 : $1.09 91.350769586977%
  Yr Avg: $1.09 0.91940516679281
2021/01 : $1.10 90.963829737434%
     02 : $1.11 90.468569067713%
     03 : $1.11 89.832262855999%
     04 : $1.12 89.099957975999%
     05 : $1.13 88.391316483655%
     06 : $1.14 87.577661121059%
     07 : $1.15 87.158382603326%
     08 : $1.15 86.978692850588%
     09 : $1.15 86.743100590424%
     10 : $1.16 86.028367220425%
     11 : $1.17 85.607741157017%
     12 : $1.17 85.345513624682%
  Yr Avg: $1.14 0.87849616274027
2022/01 : $1.18 84.633361229552%
     02 : $1.19 83.867319147473%
     03 : $1.21 82.762326837953%
     04 : $1.22 82.302869607013%
     05 : $1.23 81.405494023841%
     06 : $1.25 80.302453834542%
     07 : $1.25 80.311940070492%
     08 : $1.24 80.340413346403%
     09 : $1.25 80.167988200259%
     10 : $1.25 79.844101348255%
     11 : $1.25 79.924827832223%
     12 : $1.25 80.170960084774%
  Yr Avg: $1.23 0.81336171296898
2023/01 : $1.26 79.535047210716%
     02 : $1.26 79.093537831361%
     03 : $1.27 78.832546156232%
     04 : $1.27 78.435736445123%
     05 : $1.28 78.238696131315%
     06 : $1.28 77.986884762847%
     07 : $1.28 77.838407081554%
     08 : $1.29 77.499952168199%
     09 : $1.29 77.307831003107%
     10 : $1.29 77.337481863978%
     11 : $1.29 77.493641769623%
     12 : $1.29 77.570694674121%
  Yr Avg: $1.28 0.78097538091515
2024/01 : $1.30 77.150418244185%
     02 : $1.30 76.675819941481%
     03 : $1.31 76.18335633954%
     04 : $1.32 75.887903915283%
     05 : $1.32 75.762014013115%
     06 : $1.32 75.736454349474%
     07 : $1.32 75.648567663352%
     08 : $1.32 75.587046740265%
     09 : $1.33 75.465983722425%
     10 : $1.33 75.379201780955%
     11 : $1.33 75.420057909015%
Color Key:
US $ = previous month, or start month
US $ < previous month
US $ > previous month

What is on each line:

a) 1966/01: b) $3.24 c) 30.8176101%

a) This line's year/month.
b) How much of this line's dollars it would take to match the value of the starting year/month.
c) The percentage of the value of the starting year/month's dollar value that this line's year has. You can also round it off to get the value of this line's dollar compared to the starting year/month, in this case it would be almost 31¢.

Data extrapolated from
http://data.bls.gov/cgi-bin/cpicalc.pl.

The data should include values through the year 2024,
if not then harvest current data and reload this page.