US Inflation History

1998/10 : $1.00 100%
     11 : $1.00 100%
     12 : $1.00 100.06101134649%
  Yr Avg: $1.00 1.000203371155
1999/01 : $1.00 99.817406082974%
     02 : $1.00 99.696047757335%
     03 : $1.01 99.393938004453%
     04 : $1.01 98.676292417888%
     05 : $1.01 98.676292417888%
     06 : $1.01 98.676292417888%
     07 : $1.02 98.380322624145%
     08 : $1.02 98.144821972814%
     09 : $1.02 97.677187690535%
     10 : $1.03 97.502971161203%
     11 : $1.03 97.445037324894%
     12 : $1.03 97.445037324894%
  Yr Avg: $1.02 0.98460970599743
2000/01 : $1.03 97.156397327014%
     02 : $1.04 96.584216392443%
     03 : $1.04 95.794392398245%
     04 : $1.04 95.738470072126%
     05 : $1.05 95.626821215803%
     06 : $1.05 95.127610239879%
     07 : $1.05 94.907406772109%
     08 : $1.05 94.907406772109%
     09 : $1.06 94.41565779613%
     10 : $1.06 94.252872736101%
     11 : $1.06 94.198736001805%
     12 : $1.06 94.252872736101%
  Yr Avg: $1.05 0.95246905038322
2001/01 : $1.07 93.660764128207%
     02 : $1.07 93.287826457477%
     03 : $1.07 93.076048908013%
     04 : $1.08 92.707743400515%
     05 : $1.08 92.290376791336%
     06 : $1.09 92.134831159826%
     07 : $1.08 92.394366178327%
     08 : $1.08 92.394366178327%
     09 : $1.09 91.97980932423%
     10 : $1.08 92.290376791336%
     11 : $1.08 92.44644789223%
     12 : $1.08 92.812676624233%
  Yr Avg: $1.08 0.92622969486171
2002/01 : $1.08 92.603047809447%
     02 : $1.08 92.238469118248%
     03 : $1.09 91.722593734283%
     04 : $1.10 91.212458350276%
     05 : $1.10 91.212458350276%
     06 : $1.10 91.161755575138%
     07 : $1.10 91.060520718739%
     08 : $1.10 90.75816161892%
     09 : $1.10 90.60773345676%
     10 : $1.11 90.457803988473%
     11 : $1.11 90.457803988473%
     12 : $1.10 90.657822068636%
  Yr Avg: $1.10 0.91179219064806
2003/01 : $1.11 90.258667826671%
     02 : $1.12 89.568540770517%
     03 : $1.12 89.033658121385%
     04 : $1.12 89.227420773023%
     05 : $1.12 89.373297098482%
     06 : $1.12 89.275993221646%
     07 : $1.12 89.178900201951%
     08 : $1.13 88.840735551374%
     09 : $1.13 88.552915553489%
     10 : $1.13 88.648648042581%
     11 : $1.13 88.888887959184%
     12 : $1.12 88.985350080924%
  Yr Avg: $1.12 0.89152751266769
2004/01 : $1.13 88.552915553489%
     02 : $1.14 88.077335638615%
     03 : $1.14 87.513339642759%
     04 : $1.15 87.234042624403%
     05 : $1.15 86.726599852621%
     06 : $1.16 86.452293119942%
     07 : $1.15 86.589228098528%
     08 : $1.16 86.543535690701%
     09 : $1.16 86.361241324693%
     10 : $1.16 85.908852348425%
     11 : $1.16 85.863874512021%
     12 : $1.16 86.179715081129%
  Yr Avg: $1.15 0.86833581123944
2005/01 : $1.16 85.99895026613%
     02 : $1.17 85.505735330978%
     03 : $1.18 84.842213090955%
     04 : $1.19 84.275435788997%
     05 : $1.19 84.362139910809%
     06 : $1.19 84.318765258066%
     07 : $1.19 83.930398199695%
     08 : $1.20 83.5030543661%
     09 : $1.21 82.494969802078%
     10 : $1.21 82.32931641554%
     11 : $1.20 82.995951308601%
     12 : $1.20 83.33333277551%
  Yr Avg: $1.19 0.83990855209455
2006/01 : $1.21 82.70297535157%
     02 : $1.21 82.536486903814%
     03 : $1.22 82.082081396948%
     04 : $1.23 81.389578014281%
     05 : $1.23 80.987654180499%
     06 : $1.24 80.827993487794%
     07 : $1.24 80.589679734443%
     08 : $1.24 80.431583735605%
     09 : $1.24 80.827993487794%
     10 : $1.23 81.268582831496%
     11 : $1.23 81.389578014281%
     12 : $1.23 81.268582831496%
  Yr Avg: $1.23 0.81358564164168
2007/01 : $1.23 81.021262465966%
     02 : $1.24 80.590076346685%
     03 : $1.25 79.86286855611%
     04 : $1.26 79.347414886427%
     05 : $1.27 78.865490849151%
     06 : $1.27 78.712947421701%
     07 : $1.27 78.732973829717%
     08 : $1.27 78.877628522532%
     09 : $1.27 78.660847299635%
     10 : $1.27 78.49293472944%
     11 : $1.28 78.029469059375%
     12 : $1.28 78.081851997766%
  Yr Avg: $1.26 0.79106313830375
2008/01 : $1.29 77.695660449583%
     02 : $1.29 77.470675879807%
     03 : $1.30 76.80491453776%
     04 : $1.31 76.341917439121%
     05 : $1.32 75.704419321355%
     06 : $1.33 74.949157490169%
     07 : $1.34 74.557654350189%
     08 : $1.34 74.856448960238%
     09 : $1.33 74.960120388048%
     10 : $1.32 75.725043157938%
     11 : $1.30 77.203719024626%
     12 : $1.28 78.01054044727%
  Yr Avg: $1.31 0.76190022620509
2009/01 : $1.29 77.672477878325%
     02 : $1.29 77.288128819924%
     03 : $1.30 77.100640004975%
     04 : $1.30 76.908646210467%
     05 : $1.30 76.687115681482%
     06 : $1.32 76.033992380158%
     07 : $1.31 76.154741562945%
     08 : $1.32 75.984320462156%
     09 : $1.32 75.936824054342%
     10 : $1.32 75.86375870794%
     11 : $1.32 75.810103932824%
     12 : $1.32 75.943855972657%
  Yr Avg: $1.31 0.76448717139016
2010/01 : $1.32 75.685204545986%
     02 : $1.32 75.666347893064%
     03 : $1.33 75.356911691255%
     04 : $1.33 75.226252222828%
     05 : $1.33 75.167982019174%
     06 : $1.33 75.24143728394%
     07 : $1.33 75.225561079975%
     08 : $1.33 75.121842795023%
     09 : $1.33 75.078166917793%
     10 : $1.33 74.984797367459%
     11 : $1.33 74.953267530956%
     12 : $1.34 74.824686511492%
  Yr Avg: $1.33 0.75211038154912
2011/01 : $1.34 74.469967901853%
     02 : $1.35 74.104532394334%
     03 : $1.36 73.388911705714%
     04 : $1.37 72.919352933654%
     05 : $1.38 72.577931711672%
     06 : $1.38 72.655744690693%
     07 : $1.38 72.591424895247%
     08 : $1.38 72.391798406917%
     09 : $1.38 72.282040570989%
     10 : $1.38 72.431442896422%
     11 : $1.38 72.49259481434%
     12 : $1.38 72.671841792615%
  Yr Avg: $1.37 0.72914798726204
2012/01 : $1.38 72.353472611281%
     02 : $1.39 72.03629828708%
     03 : $1.40 71.493337801273%
     04 : $1.40 71.278005802855%
     05 : $1.40 71.361746210403%
     06 : $1.40 71.466545556572%
     07 : $1.40 71.583209800613%
     08 : $1.40 71.187042701483%
     09 : $1.41 70.870802173194%
     10 : $1.41 70.898377601563%
     11 : $1.40 71.2358996399%
     12 : $1.40 71.428259924201%
  Yr Avg: $1.40 0.71432749842535
2013/01 : $1.40 71.217647109421%
     02 : $1.42 70.639110338162%
     03 : $1.42 70.454906543597%
     04 : $1.42 70.528229604282%
     05 : $1.42 70.402885074591%
     06 : $1.42 70.234341606442%
     07 : $1.42 70.206680831135%
     08 : $1.43 70.122327933795%
     09 : $1.43 70.040870138475%
     10 : $1.42 70.221711933065%
     11 : $1.42 70.36542780956%
     12 : $1.42 70.371465687067%
  Yr Avg: $1.42 0.70400467050799
2014/01 : $1.43 70.110637076738%
     02 : $1.43 69.852330384758%
     03 : $1.44 69.405356755389%
     04 : $1.45 69.177296348902%
     05 : $1.45 68.936527615977%
     06 : $1.45 68.808396759775%
     07 : $1.45 68.835255943251%
     08 : $1.45 68.950439166895%
     09 : $1.45 68.898588391765%
     10 : $1.45 69.072117125184%
     11 : $1.44 69.447089734674%
     12 : $1.43 69.84310789503%
  Yr Avg: $1.44 0.69278095266528
2015/01 : $1.43 70.173336953829%
     02 : $1.43 69.869888425446%
     03 : $1.44 69.456502999911%
     04 : $1.44 69.31559185809%
     05 : $1.45 68.964066228019%
     06 : $1.46 68.723337658359%
     07 : $1.46 68.718730597169%
     08 : $1.45 68.816193453595%
     09 : $1.45 68.923489616072%
     10 : $1.45 68.95449733013%
     11 : $1.45 69.100346880079%
     12 : $1.44 69.337278347726%
  Yr Avg: $1.45 0.69196105029035
2016/01 : $1.44 69.222846511832%
     02 : $1.45 69.165916757148%
     03 : $1.45 68.869366269531%
     04 : $1.46 68.544391904572%
     05 : $1.46 68.268194151499%
     06 : $1.47 68.044710683753%
     07 : $1.47 68.154993989065%
     08 : $1.47 68.092456438504%
     09 : $1.47 67.929154276439%
     10 : $1.47 67.844568766856%
     11 : $1.47 67.950263419141%
     12 : $1.47 67.928029705019%
  Yr Avg: $1.46 0.68334574406113
2017/01 : $1.48 67.53445648342%
     02 : $1.49 67.322652158446%
     03 : $1.49 67.267976567011%
     04 : $1.49 67.069081384799%
     05 : $1.49 67.011803548485%
     06 : $1.49 66.95107167138%
     07 : $1.49 66.997294568999%
     08 : $1.50 66.797273141898%
     09 : $1.50 66.445451307748%
     10 : $1.50 66.487473797235%
     11 : $1.50 66.485857225818%
     12 : $1.50 66.524962858184%
  Yr Avg: $1.49 0.66907946226118
2018/01 : $1.51 66.164515962873%
     02 : $1.52 65.865833475271%
     03 : $1.52 65.717239435547%
     04 : $1.53 65.457041723173%
     05 : $1.53 65.185938010879%
     06 : $1.54 65.082204664702%
     07 : $1.54 65.07781515453%
     08 : $1.54 65.041681603775%
     09 : $1.54 64.966189726779%
     10 : $1.54 64.851612299049%
     11 : $1.54 65.069553236224%
     12 : $1.53 65.278047438774%
  Yr Avg: $1.53 0.65313139394298
2019/01 : $1.53 65.153825807033%
     02 : $1.54 64.879575972313%
     03 : $1.55 64.515621485191%
     04 : $1.56 64.175810140749%
     05 : $1.56 64.039485978485%
     06 : $1.56 64.026734141844%
     07 : $1.56 63.919928305894%
     08 : $1.56 63.923166469136%
     09 : $1.57 63.873126387871%
     10 : $1.57 63.727432470574%
     11 : $1.57 63.761624796853%
     12 : $1.57 63.819685816835%
  Yr Avg: $1.56 0.64151334814398
2020/01 : $1.57 63.573036512525%
     02 : $1.58 63.399283534209%
     03 : $1.57 63.53757067605%
     04 : $1.56 63.965302754541%
     05 : $1.56 63.964054346387%
     06 : $1.57 63.615945940781%
     07 : $1.58 63.295779453337%
     08 : $1.58 63.096822352758%
     09 : $1.59 63.009067292178%
     10 : $1.59 62.982932720942%
     11 : $1.59 63.0214158227%
     12 : $1.59 62.962138190482%
  Yr Avg: $1.58 0.63368612466407
2021/01 : $1.60 62.695445743462%
     02 : $1.60 62.354094807194%
     03 : $1.62 61.915530361437%
     04 : $1.63 61.410800283512%
     05 : $1.64 60.922379838121%
     06 : $1.66 60.361580168772%
     07 : $1.66 60.07259878314%
     08 : $1.67 59.94875033507%
     09 : $1.67 59.7863719281%
     10 : $1.69 59.293752748046%
     11 : $1.69 59.003842586911%
     12 : $1.70 58.823106220891%
  Yr Avg: $1.65 0.60549021150388
2022/01 : $1.71 58.332265938783%
     02 : $1.73 57.804283003887%
     03 : $1.75 57.042683744176%
     04 : $1.76 56.726009787319%
     05 : $1.78 56.107507220435%
     06 : $1.81 55.347253430102%
     07 : $1.81 55.353791674952%
     08 : $1.81 55.373416450318%
     09 : $1.81 55.254575022619%
     10 : $1.82 55.031340901811%
     11 : $1.82 55.086980411606%
     12 : $1.81 55.256623349135%
  Yr Avg: $1.78 0.56059727577929
2023/01 : $1.82 54.818330005416%
     02 : $1.83 54.514026334183%
     03 : $1.84 54.334141764076%
     04 : $1.85 54.060646664044%
     05 : $1.85 53.924839603818%
     06 : $1.86 53.751282421419%
     07 : $1.86 53.648946422171%
     08 : $1.87 53.415671485109%
     09 : $1.88 53.283254873837%
     10 : $1.88 53.30369128185%
     11 : $1.87 53.411322138203%
     12 : $1.87 53.464429688833%
  Yr Avg: $1.86 0.53827548556913
2024/01 : $1.88 53.174760507287%
     02 : $1.89 52.847650795405%
     03 : $1.90 52.508227695858%
     04 : $1.91 52.304591574905%
     05 : $1.92 52.217823861257%
     06 : $1.92 52.200207249141%
     07 : $1.92 52.139632678158%
     08 : $1.92 52.097230311122%
     09 : $1.92 52.013789454593%
     10 : $1.92 51.953976312175%
     11 : $1.92 51.982135781356%
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.