US Inflation History

2009/08 : $1.00 100%
     09 : $1.00 99.937491830518%
     10 : $1.00 99.841333378409%
     11 : $1.00 99.77072042196%
     12 : $1.00 99.946746263897%
  Yr Avg: $1.00 0.99899258378957
2010/01 : $1.00 99.606345211288%
     02 : $1.00 99.581528705977%
     03 : $1.01 99.174291791932%
     04 : $1.01 99.002335962581%
     05 : $1.01 98.925648820682%
     06 : $1.01 99.02232042914%
     07 : $1.01 99.001426376435%
     08 : $1.01 98.864926787675%
     09 : $1.01 98.807446669456%
     10 : $1.01 98.684566646621%
     11 : $1.01 98.643071458783%
     12 : $1.02 98.473850995033%
  Yr Avg: $1.01 0.989823133213
2011/01 : $1.02 98.007019670516%
     02 : $1.03 97.526084254766%
     03 : $1.04 96.584283782949%
     04 : $1.04 95.966315800602%
     05 : $1.05 95.516984649247%
     06 : $1.05 95.619391275439%
     07 : $1.05 95.534742501778%
     08 : $1.05 95.272021867949%
     09 : $1.05 95.127573861754%
     10 : $1.05 95.324196434048%
     11 : $1.05 95.404676087674%
     12 : $1.05 95.640576043329%
  Yr Avg: $1.04 0.95960322185838
2012/01 : $1.05 95.221582783406%
     02 : $1.05 94.804162028346%
     03 : $1.06 94.08959291395%
     04 : $1.07 93.806202870967%
     05 : $1.06 93.916410354614%
     06 : $1.06 94.054332685868%
     07 : $1.06 94.20786994636%
     08 : $1.07 93.686489881735%
     09 : $1.07 93.270298059047%
     10 : $1.07 93.306589004601%
     11 : $1.07 93.750788592468%
     12 : $1.06 94.003946458632%
  Yr Avg: $1.06 0.94009855464999
2013/01 : $1.07 93.72676714914%
     02 : $1.08 92.965377473295%
     03 : $1.08 92.722954045087%
     04 : $1.08 92.819451664912%
     05 : $1.08 92.654490619095%
     06 : $1.08 92.43267713557%
     07 : $1.08 92.39627386824%
     08 : $1.08 92.285260310671%
     09 : $1.08 92.178056883932%
     10 : $1.08 92.416055715125%
     11 : $1.08 92.605194573801%
     12 : $1.08 92.613140788849%
  Yr Avg: $1.08 0.9265130835231
2014/01 : $1.08 92.269874429761%
     02 : $1.09 91.92992706903%
     03 : $1.09 91.341682511929%
     04 : $1.10 91.041541107623%
     05 : $1.10 90.724674770646%
     06 : $1.10 90.556046749204%
     07 : $1.10 90.591395072796%
     08 : $1.10 90.742983220118%
     09 : $1.10 90.674744437677%
     10 : $1.10 90.903118834347%
     11 : $1.09 91.396605657956%
     12 : $1.09 91.91778971007%
  Yr Avg: $1.09 0.9117419863093
2015/01 : $1.08 92.352391292067%
     02 : $1.09 91.953034521437%
     03 : $1.09 91.408994089122%
     04 : $1.10 91.223546432336%
     05 : $1.10 90.76091726367%
     06 : $1.11 90.444103783999%
     07 : $1.11 90.438040610489%
     08 : $1.10 90.566307673791%
     09 : $1.10 90.707515967587%
     10 : $1.10 90.748324010442%
     11 : $1.10 90.940270913516%
     12 : $1.10 91.252087175353%
  Yr Avg: $1.10 0.91066294477817
2016/01 : $1.10 91.101487900137%
     02 : $1.10 91.026564870836%
     03 : $1.10 90.636286342564%
     04 : $1.11 90.208600258142%
     05 : $1.11 89.84510716984%
     06 : $1.12 89.550989296065%
     07 : $1.11 89.696128852017%
     08 : $1.12 89.613825621324%
     09 : $1.12 89.398910016272%
     10 : $1.12 89.287590326805%
     11 : $1.12 89.426690935512%
     12 : $1.12 89.397430011696%
  Yr Avg: $1.11 0.89932467633434
2017/01 : $1.13 88.879463648103%
     02 : $1.13 88.600716238524%
     03 : $1.13 88.52875982554%
     04 : $1.13 88.267001635163%
     05 : $1.13 88.191620509207%
     06 : $1.13 88.11169365491%
     07 : $1.13 88.172525807305%
     08 : $1.14 87.909285409963%
     09 : $1.14 87.446266418663%
     10 : $1.14 87.501570577773%
     11 : $1.14 87.499443071195%
     12 : $1.14 87.550908468434%
  Yr Avg: $1.13 0.88054937938732
2018/01 : $1.15 87.076538370605%
     02 : $1.15 86.683454000324%
     03 : $1.16 86.487895181319%
     04 : $1.16 86.145459122417%
     05 : $1.17 85.788670102465%
     06 : $1.17 85.652150692216%
     07 : $1.17 85.646373829114%
     08 : $1.17 85.598819872541%
     09 : $1.17 85.499467958176%
     10 : $1.17 85.348677075225%
     11 : $1.17 85.63550064073%
     12 : $1.16 85.909891727314%
  Yr Avg: $1.16 0.85956074881037
2019/01 : $1.17 85.746408483686%
     02 : $1.17 85.38547897474%
     03 : $1.18 84.90649267216%
     04 : $1.18 84.459280217834%
     05 : $1.19 84.279869305905%
     06 : $1.19 84.263087111153%
     07 : $1.19 84.122524116972%
     08 : $1.19 84.126785737293%
     09 : $1.19 84.060929938411%
     10 : $1.19 83.869187857399%
     11 : $1.19 83.914187044168%
     12 : $1.19 83.990598887596%
  Yr Avg: $1.18 0.8442706919561
2020/01 : $1.20 83.665993360021%
     02 : $1.20 83.437323843391%
     03 : $1.20 83.619318156165%
     04 : $1.19 84.182239658771%
     05 : $1.19 84.1805966775%
     06 : $1.19 83.722464784646%
     07 : $1.20 83.301106160266%
     08 : $1.20 83.039266481541%
     09 : $1.21 82.923775469651%
     10 : $1.21 82.88938077996%
     11 : $1.21 82.940026888952%
     12 : $1.21 82.86201390962%
  Yr Avg: $1.20 0.8339695884754
2021/01 : $1.21 82.511030383811%
     02 : $1.22 82.061791732743%
     03 : $1.23 81.484614174149%
     04 : $1.24 80.820358608192%
     05 : $1.25 80.177567513371%
     06 : $1.26 79.439520945423%
     07 : $1.26 79.059203817002%
     08 : $1.27 78.896211705845%
     09 : $1.27 78.682511818839%
     10 : $1.28 78.034194933121%
     11 : $1.29 77.652655479491%
     12 : $1.29 77.414795398727%
  Yr Avg: $1.26 0.79686204709226
2022/01 : $1.30 76.768819651201%
     02 : $1.31 76.073961907281%
     03 : $1.33 75.071650831682%
     04 : $1.34 74.654888590563%
     05 : $1.35 73.840901490169%
     06 : $1.37 72.840361134331%
     07 : $1.37 72.84896586332%
     08 : $1.37 72.874793264614%
     09 : $1.38 72.718390697643%
     10 : $1.38 72.424600979644%
     11 : $1.38 72.49782596798%
     12 : $1.38 72.721086420264%
  Yr Avg: $1.35 0.73778020566558
2023/01 : $1.39 72.144265648488%
     02 : $1.39 71.743783457711%
     03 : $1.40 71.507044392319%
     04 : $1.41 71.147108160254%
     05 : $1.41 70.968377786144%
     06 : $1.41 70.739965948883%
     07 : $1.42 70.605285532416%
     08 : $1.42 70.298281487841%
     09 : $1.43 70.124013151338%
     10 : $1.43 70.150908710697%
     11 : $1.42 70.292557482045%
     12 : $1.42 70.362450257696%
  Yr Avg: $1.41 0.70840336834653
2024/01 : $1.43 69.981227947904%
     02 : $1.44 69.550731616697%
     03 : $1.45 69.104030116331%
     04 : $1.45 68.836032561422%
     05 : $1.46 68.721840958312%
     06 : $1.46 68.698656422333%
     07 : $1.46 68.618936592485%
     08 : $1.46 68.563132491353%
     09 : $1.46 68.453319235115%
     10 : $1.46 68.374601491699%
     11 : $1.46 68.411661070583%
     12 : $1.46 68.387384150274%
  Yr Avg: $1.45 0.68808462887876
2025/01 : $1.47 67.94262075114%
     02 : $1.48 67.642173214934%
     03 : $1.48 67.490516793592%
     04 : $1.49 67.280975014682%
     05 : $1.49 67.14074678344%
     06 : $1.49 66.912614649424%
     07 : $1.50 66.811743087503%
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 2025,
if not then harvest current data and reload this page.