US Inflation History

2009/10 : $1.00 100%
     11 : $1.00 99.929274826307%
     12 : $1.00 100.10558040635%
  Yr Avg: $1.00 1.0001161841089
2010/01 : $1.00 99.764638392568%
     02 : $1.00 99.739782449172%
     03 : $1.01 99.331898359221%
     04 : $1.01 99.159669259776%
     05 : $1.01 99.082860247613%
     06 : $1.01 99.179685485404%
     07 : $1.01 99.158758228127%
     08 : $1.01 99.022041715897%
     09 : $1.01 98.964470250978%
     10 : $1.01 98.84139494872%
     11 : $1.01 98.799833817239%
     12 : $1.01 98.630344430405%
  Yr Avg: $1.01 0.9913961479876
2011/01 : $1.02 98.162771223276%
     02 : $1.02 97.681071510867%
     03 : $1.03 96.737774341299%
     04 : $1.04 96.118824291818%
     05 : $1.05 95.668779068913%
     06 : $1.04 95.771348438459%
     07 : $1.05 95.686565142006%
     08 : $1.05 95.423426995769%
     09 : $1.05 95.278749434576%
     10 : $1.05 95.475684477049%
     11 : $1.05 95.556292027952%
     12 : $1.04 95.792566872922%
  Yr Avg: $1.04 0.96112821152075
2012/01 : $1.05 95.372907754053%
     02 : $1.05 94.954823639052%
     03 : $1.06 94.239118940189%
     04 : $1.06 93.955278537228%
     05 : $1.06 94.065661161256%
     06 : $1.06 94.203802676986%
     07 : $1.06 94.357583937008%
     08 : $1.07 93.835375301583%
     09 : $1.07 93.418522071959%
     10 : $1.07 93.454870690638%
     11 : $1.06 93.899776195039%
     12 : $1.06 94.153336376576%
  Yr Avg: $1.06 0.94159254773464
2013/01 : $1.07 93.875716577127%
     02 : $1.07 93.113116910155%
     03 : $1.08 92.87030822561%
     04 : $1.08 92.966959198267%
     05 : $1.08 92.801735998381%
     06 : $1.08 92.579570011591%
     07 : $1.08 92.543108892635%
     08 : $1.08 92.431918913683%
     09 : $1.08 92.324545120574%
     10 : $1.08 92.562922176588%
     11 : $1.08 92.752361612418%
     12 : $1.08 92.760320455493%
  Yr Avg: $1.08 0.92798548674377
2014/01 : $1.08 92.41650858172%
     02 : $1.09 92.076020980816%
     03 : $1.09 91.486841592685%
     04 : $1.10 91.186223207342%
     05 : $1.10 90.868853310272%
     06 : $1.10 90.699957307248%
     07 : $1.10 90.735361805962%
     08 : $1.10 90.887190855307%
     09 : $1.10 90.818843628631%
     10 : $1.10 91.047580955089%
     11 : $1.09 91.541852021901%
     12 : $1.09 92.063864333314%
  Yr Avg: $1.09 0.91319091548357
2015/01 : $1.08 92.499156578811%
     02 : $1.09 92.099165155303%
     03 : $1.09 91.554260140609%
     04 : $1.09 91.368517772683%
     05 : $1.10 90.905153399421%
     06 : $1.10 90.587836443657%
     07 : $1.10 90.581763634625%
     08 : $1.10 90.71023453837%
     09 : $1.10 90.851667238653%
     10 : $1.10 90.89254013315%
     11 : $1.10 91.084792075886%
     12 : $1.09 91.397103872299%
  Yr Avg: $1.09 0.91211015915289
2016/01 : $1.10 91.246265266563%
     02 : $1.10 91.171223170504%
     03 : $1.10 90.780324416385%
     04 : $1.11 90.351958658487%
     05 : $1.11 89.987887911431%
     06 : $1.11 89.69330262914%
     07 : $1.11 89.838672839094%
     08 : $1.11 89.756238813116%
     09 : $1.12 89.540981666823%
     10 : $1.12 89.429485069471%
     11 : $1.12 89.568806735158%
     12 : $1.12 89.539499310241%
  Yr Avg: $1.11 0.90075387207201
2017/01 : $1.12 89.020709800861%
     02 : $1.13 88.74151940932%
     03 : $1.13 88.669448644087%
     04 : $1.13 88.407274470806%
     05 : $1.13 88.331773550091%
     06 : $1.13 88.251719677017%
     07 : $1.13 88.312648503122%
     08 : $1.14 88.048989767372%
     09 : $1.14 87.585234951974%
     10 : $1.14 87.640626999775%
     11 : $1.14 87.638496112189%
     12 : $1.14 87.690043297606%
  Yr Avg: $1.13 0.88194873765352
2018/01 : $1.15 87.21491933664%
     02 : $1.15 86.821210281502%
     03 : $1.15 86.625340682822%
     04 : $1.16 86.282360428738%
     05 : $1.16 85.925004404055%
     06 : $1.17 85.788268038835%
     07 : $1.17 85.782481995213%
     08 : $1.17 85.734852466476%
     09 : $1.17 85.635342663268%
     10 : $1.17 85.484312145296%
     11 : $1.17 85.771591527291%
     12 : $1.16 86.046418672822%
  Yr Avg: $1.16 0.86092675220247
2019/01 : $1.16 85.88267562363%
     02 : $1.17 85.521172529938%
     03 : $1.18 85.041425028206%
     04 : $1.18 84.593501869335%
     05 : $1.18 84.413805839788%
     06 : $1.18 84.396996974978%
     07 : $1.19 84.256210599811%
     08 : $1.19 84.260478992647%
     09 : $1.19 84.194518536538%
     10 : $1.19 84.002471741364%
     11 : $1.19 84.047542440288%
     12 : $1.19 84.12407571648%
  Yr Avg: $1.18 0.8456123965775
2020/01 : $1.19 83.798954329785%
     02 : $1.20 83.569921414366%
     03 : $1.19 83.752204950268%
     04 : $1.19 84.316021040816%
     05 : $1.19 84.31437544854%
     06 : $1.19 83.855515498104%
     07 : $1.20 83.43348725577%
     08 : $1.20 83.171231464642%
     09 : $1.20 83.055556915853%
     10 : $1.20 83.021107566544%
     11 : $1.20 83.07183416171%
     12 : $1.20 82.993697205109%
  Yr Avg: $1.20 0.83529492270959
2021/01 : $1.21 82.642155900589%
     02 : $1.22 82.19220332497%
     03 : $1.23 81.614108522884%
     04 : $1.24 80.948797330135%
     05 : $1.25 80.304984719595%
     06 : $1.26 79.5657652571%
     07 : $1.26 79.184843733366%
     08 : $1.27 79.021592597147%
     09 : $1.27 78.807553100902%
     10 : $1.28 78.158205917947%
     11 : $1.29 77.776060126501%
     12 : $1.29 77.537822041416%
  Yr Avg: $1.26 0.79812841047713
2022/01 : $1.30 76.89081971716%
     02 : $1.31 76.194857713842%
     03 : $1.33 75.190953777784%
     04 : $1.34 74.773529223226%
     05 : $1.35 73.958248544522%
     06 : $1.37 72.956118142231%
     07 : $1.37 72.96473654575%
     08 : $1.37 72.990604991633%
     09 : $1.37 72.833953871622%
     10 : $1.38 72.539697266609%
     11 : $1.38 72.613038623198%
     12 : $1.37 72.836653878253%
  Yr Avg: $1.35 0.73895267691319
2023/01 : $1.38 72.258916429986%
     02 : $1.39 71.857797797827%
     03 : $1.40 71.620682509617%
     04 : $1.40 71.26017427131%
     05 : $1.41 71.081159861084%
     06 : $1.41 70.852385034534%
     07 : $1.41 70.717490585602%
     08 : $1.42 70.409998653967%
     09 : $1.42 70.235453372363%
     10 : $1.42 70.262391673815%
     11 : $1.42 70.404265551652%
     12 : $1.42 70.474269400044%
  Yr Avg: $1.41 0.70952915428483
2024/01 : $1.43 70.092441256437%
     02 : $1.44 69.661260785743%
     03 : $1.44 69.213849392836%
     04 : $1.45 68.945425939502%
     05 : $1.45 68.831052864497%
     06 : $1.45 68.807831483939%
     07 : $1.46 68.727984964316%
     08 : $1.46 68.672092179991%
     09 : $1.46 68.562104409874%
     10 : $1.46 68.483261569187%
     11 : $1.46 68.520380042698%
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.