$1,000 I Bond with 3.40% Fixed Rate Purchased December 2000

 Infla
tion
Rate
Com
posite
Rate
Jan
1
Feb
1
Mar
1
Apr
1
May
1
Jun
1
Infla
tion
Rate
Com
posite
Rate
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Dec
1
2000 1,000.002000
20011.52%6.49%1,005.201,010.801,016.001,021.601,026.801,032.401.44%6.33%1,037.601,043.201,048.801,054.001,059.601,065.202001
20021.19%5.82%1,070.401,075.601,080.401,085.601,090.801,096.000.28%3.97%1,099.601,103.201,106.801,110.401,114.001,117.602002
20031.23%5.90%1,123.201,128.401,134.001,139.601,145.201,150.401.77%7.00%1,157.201,163.601,170.401,177.201,184.001,190.802003
20040.54%4.50%1,195.201,199.601,204.001,208.401,213.201,217.601.19%5.82%1,223.601,229.201,235.201,241.201,247.201,253.202004
20051.33%6.11%1,259.601,266.001,272.001,278.401,285.201,291.601.79%7.04%1,299.201,306.401,314.001,321.601,329.201,337.202005
20062.85%9.20%1,347.201,357.201,367.601,378.001,388.401,398.800.50%4.42%1,404.001,409.201,414.001,419.201,424.401,429.602006
20071.55%6.55%1,437.201,445.201,452.801,460.801,468.401,476.401.21%5.86%1,483.601,490.801,498.001,505.201,512.401,519.602007
20081.53%6.51%1,527.601,536.001,544.001,552.401,560.801,569.202.42%8.32%1,580.001,590.801,601.601,612.401,623.601,634.402008
20092.46%8.40%1,645.601,656.801,668.401,680.001,691.601,703.20-2.78%0.00%1,703.201,703.201,703.201,703.201,703.201,703.202009
20101.53%6.51%1,712.401,721.601,730.801,740.001,749.201,758.800.77%4.97%1,766.001,773.201,780.401,788.001,795.201,802.402010
20110.37%4.15%1,808.401,814.801,821.201,827.201,833.601,839.602.30%8.08%1,851.601,864.001,876.401,888.801,901.201,914.002011
20121.53%6.51%1,924.401,934.401,944.801,955.201,965.601,976.401.10%5.64%1,985.601,994.802,004.002,013.202,022.802,032.002012
20130.88%5.19%2,040.802,049.602,058.002,067.202,076.002,084.800.59%4.60%2,092.802,100.802,108.802,116.802,124.802,132.802013
20140.59%4.60%2,140.802,149.202,157.202,165.202,173.602,182.000.92%5.27%2,191.602,200.802,210.402,220.002,230.002,239.602014
20150.74%4.91%2,248.802,257.602,266.802,276.002,285.202,294.40-0.80%1.77%2,297.602,301.202,304.402,308.002,311.202,314.802015
20160.77%4.97%2,324.402,334.002,343.202,352.802,362.802,372.400.08%3.56%2,379.202,386.402,393.602,400.402,407.602,414.802016
20171.38%6.21%2,427.202,439.602,452.002,464.402,477.202,489.600.98%5.39%2,500.802,511.602,522.802,534.002,545.202,556.802017
20181.24%5.92%2,569.202,581.602,594.402,607.202,619.602,632.401.11%5.66%2,644.802,657.202,669.202,682.002,694.402,706.802018
20191.16%5.76%2,719.602,732.402,745.602,758.402,771.602,784.800.70%4.82%2,796.002,806.802,818.002,829.202,840.802,852.002019
20201.01%5.45%2,864.802,877.602,890.402,903.602,916.802,929.600.53%4.48%2,940.402,951.202,962.402,973.202,984.002,995.202020
20210.84%5.11%3,008.003,020.403,033.203,046.003,058.803,071.601.77%7.00%3,089.203,107.203,124.803,142.803,160.803,179.202021
20223.56%10.64%3,206.803,234.803,262.803,290.803,319.603,348.404.81%13.18%3,384.403,420.403,456.803,494.003,531.203,569.202022
20233.24%9.99%3,598.403,627.603,657.203,687.203,717.203,747.601.69%6.84%3,768.803,790.003,811.203,832.403,854.003,875.602023
20241.97%7.41%3,899.203,922.803,946.803,970.803,994.804,019.201.48%6.41%4,040.404,061.604,083.204,104.804,126.404,148.002024
20250.95%5.33%4,166.404,184.404,202.804,221.204,240.004,258.401.43%6.31%4,280.404,302.804,325.204,347.604,370.004,392.802025
20261.56%6.57%4,416.404,440.404,464.404,488.404,512.804,537.20

From $1,000.00 to $4,537.20 over 25.5 years = 6.02% average annual increase compounded semi-annually.

Generated  11/04/25  09:10