$10,000 I Bond with 1.10% Fixed Rate Purchased February 2004

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2004 10,0000.54%2.19%10,02010,03610,05610,07210,09210,1081.19%3.49%10,13610,16810,19610,2242004
200510,25610,2841.33%3.77%10,31610,34810,38010,41210,44410,4761.79%4.70%10,51610,55610,60010,6402005
200610,68010,7242.85%6.83%10,78410,84410,90410,96811,02811,0920.50%2.11%11,11211,13211,15211,1682006
200711,18811,2081.55%4.22%11,24811,28811,32411,36411,40411,4441.21%3.53%11,47611,51211,54411,5802007
200811,61211,6441.53%4.18%11,68411,72411,76411,80411,84811,8882.42%5.97%11,94812,00412,06412,1242008
200912,18412,2442.46%6.05%12,30412,36812,42812,48812,55212,616-2.78%0.00%12,61612,61612,61612,6162009
201012,61612,6161.53%4.18%12,66012,70412,74812,79212,83612,8800.77%2.65%12,90812,93612,96412,9922010
201113,02413,0520.37%1.84%13,07213,09213,11213,13213,15213,1722.30%5.73%13,23613,29613,36013,4242011
201213,48413,5481.53%4.18%13,59613,64013,68813,73613,78413,8321.10%3.31%13,86813,90813,94413,9842012
201314,02414,0600.88%2.87%14,09214,12814,16014,19614,22814,2600.59%2.29%14,28814,31614,34014,3682013
201414,39614,4240.59%2.29%14,45214,48014,50814,53214,56014,5880.92%2.95%14,62414,66014,69614,7322014
201514,76814,8040.74%2.59%14,83614,86814,90014,93214,96414,996-0.80%0.00%14,99614,99614,99614,9962015
201614,99614,9960.77%2.65%15,02815,06015,09615,12815,16015,1960.08%1.26%15,21215,22815,24415,2602016
201715,27615,2921.38%3.88%15,34015,39215,44015,48815,54015,5880.98%3.07%15,62815,66815,70815,7482017
201815,78815,8281.24%3.59%15,87615,92415,96816,01616,06416,1121.11%3.33%16,15616,20016,24416,2922018
201916,33616,3801.16%3.43%16,42816,47216,52016,56816,61216,6600.70%2.51%16,69616,72816,76416,8002019
202016,83616,8681.01%3.13%16,91216,95617,00017,04417,08817,1320.53%2.17%17,16417,19217,22417,2562020
202117,28817,3160.84%2.79%17,35617,39617,43617,47617,51617,5561.77%4.66%17,62417,69217,76017,8282021
202217,89617,9643.56%8.26%18,08418,20818,33218,45618,58018,7044.81%10.77%18,86819,03219,20019,3682022
202319,54019,7123.24%7.62%19,83619,96020,08420,20820,33620,4641.69%4.50%20,54020,61620,69220,7682023
202420,84820,9241.97%5.06%21,01221,10021,18821,27621,36421,4521.48%4.08%21,52421,59621,66821,7442024
202521,81621,8880.95%3.01%21,94421,99622,05222,10822,16422,2161.43%3.98%22,28822,36422,43622,5082025
202622,58422,6601.56%4.24%22,74022,82022,90022,98023,06023,140

From $10,000 to $23,140 over 22.5 years = 3.76% average annual increase compounded semi-annually.

Generated  11/04/25  09:10