$10,000 I Bond with 1.40% Fixed Rate Purchased March 2007

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
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Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
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Com
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Rate
Oct
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Nov
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Dec
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2007 10,0001.55%4.52%10,03610,07610,11210,15210,18810,2281.21%3.84%10,26010,29210,3242007
200810,36010,39210,4241.53%4.48%10,46410,50010,54010,58010,62010,6562.42%6.27%10,71210,76810,8202008
200910,87610,93210,9922.46%6.35%11,04811,10811,16411,22411,28411,340-2.78%0.00%11,34011,34011,3402009
201011,34011,34011,3401.53%4.48%11,38011,42411,46811,50811,55211,5960.77%2.95%11,62411,65211,6802010
201111,70811,74011,7680.37%2.15%11,78811,81211,83211,85211,87211,8962.30%6.03%11,95612,01612,0762011
201212,13212,19612,2561.53%4.48%12,30012,34812,39212,44012,48412,5321.10%3.62%12,56812,60812,6442012
201312,68412,72012,7600.88%3.17%12,79212,82812,86012,89612,92812,9640.59%2.59%12,99213,02013,0482013
201413,07613,10413,1320.59%2.59%13,16013,18813,21613,24413,27213,3040.92%3.25%13,34013,37613,4122014
201513,44813,48413,5200.74%2.89%13,55213,58413,61613,64813,68413,716-0.80%0.00%13,71613,71613,7162015
201613,71613,71613,7160.77%2.95%13,74813,78413,81613,85213,88413,9200.08%1.56%13,94013,95613,9762016
201713,99214,01214,0281.38%4.18%14,07614,12414,17214,22414,27214,3200.98%3.37%14,36014,40014,4402017
201814,48014,52014,5601.24%3.90%14,60814,65614,70014,74814,79614,8441.11%3.64%14,88814,93214,9802018
201915,02415,06815,1161.16%3.74%15,16415,20815,25615,30415,35215,4000.70%2.81%15,43615,47215,5082019
202015,54415,58015,6161.01%3.43%15,66015,70415,74815,79615,84015,8840.53%2.47%15,91615,94815,9802020
202116,01616,04816,0800.84%3.09%16,12016,16416,20416,24416,28816,3281.77%4.96%16,39616,46016,5282021
202216,59616,66416,7323.56%8.57%16,84816,96817,08817,20817,32817,4484.81%11.09%17,60417,76417,9242022
202318,08818,25218,4163.24%7.93%18,53618,65618,77618,90019,02419,1481.69%4.80%19,22419,30019,3762023
202419,45219,53219,6081.97%5.37%19,69619,78019,86819,95620,04420,1361.48%4.38%20,20820,28020,3562024
202520,42820,50420,5760.95%3.31%20,63220,68820,74420,80420,86020,916

From $10,000 to $20,916 over 18.5 years = 4.03% average annual increase compounded semi-annually.

Generated  11/01/24  13:13