$1,000 I Bond with 1.00% Fixed Rate Purchased March 2006

 Jan
1
Feb
1
Mar
1
Infla
tion
Rate
Com
posite
Rate
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Infla
tion
Rate
Com
posite
Rate
Oct
1
Nov
1
Dec
1
2006 1,000.002.85%6.73%1,005.601,011.201,016.801,022.401,028.001,033.600.50%2.01%1,035.201,037.201,038.802006
20071,040.401,042.401,044.001.55%4.12%1,047.601,051.201,054.801,058.401,062.001,065.601.21%3.43%1,068.801,071.601,074.802007
20081,077.601,080.801,084.001.53%4.08%1,087.601,091.201,095.201,098.801,102.401,106.002.42%5.86%1,111.201,116.801,122.002008
20091,127.601,132.801,138.402.46%5.94%1,144.001,149.601,155.201,160.801,166.401,172.40-2.78%0.00%1,172.401,172.401,172.402009
20101,172.401,172.401,172.401.53%4.08%1,176.401,180.401,184.401,188.401,192.401,196.400.77%2.55%1,198.801,201.601,204.002010
20111,206.401,209.201,211.600.37%1.74%1,213.201,215.201,216.801,218.801,220.401,222.002.30%5.62%1,227.601,233.201,239.202011
20121,244.801,250.401,256.401.53%4.08%1,260.801,264.801,269.201,273.601,277.601,282.001.10%3.21%1,285.601,288.801,292.402012
20131,295.601,299.201,302.400.88%2.77%1,305.201,308.401,311.201,314.401,317.601,320.400.59%2.19%1,322.801,325.201,327.602013
20141,330.001,332.401,334.800.59%2.19%1,337.201,339.601,342.001,344.401,346.801,349.600.92%2.85%1,352.801,356.001,359.202014
20151,362.401,365.601,368.800.74%2.49%1,371.601,374.401,377.201,380.001,382.801,386.00-0.80%0.00%1,386.001,386.001,386.002015
20161,386.001,386.001,386.000.77%2.55%1,388.801,392.001,394.801,397.601,400.801,403.600.08%1.16%1,404.801,406.401,407.602016
20171,409.201,410.401,411.601.38%3.77%1,416.001,420.401,424.801,429.201,433.601,438.400.98%2.97%1,442.001,445.601,449.202017
20181,452.801,456.001,459.601.24%3.49%1,464.001,468.001,472.401,476.401,480.801,485.201.11%3.23%1,489.201,493.201,497.202018
20191,501.201,505.201,509.201.16%3.33%1,513.201,517.601,521.601,526.001,530.001,534.400.70%2.41%1,537.601,540.401,543.602019
20201,546.801,549.601,552.801.01%3.03%1,556.801,560.801,564.401,568.401,572.401,576.400.53%2.07%1,579.201,582.001,584.402020
20211,587.201,590.001,592.80

From $1,000.00 to $1,592.80 over 15.0 years = 3.13% average annual increase compounded semi-annually.

Generated  05/01/20  10:19