$1,000 I Bond with 1.00% Fixed Rate Purchased October 2004

 Jan
1
Feb
1
Mar
1
Apr
1
Infla
tion
Rate
Com
posite
Rate
May
1
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Infla
tion
Rate
Com
posite
Rate
Nov
1
Dec
1
2004 1,000.001.19%3.39%1,002.801,005.602004
20051,008.401,011.201,014.001,016.801.33%3.67%1,020.001,022.801,026.001,029.201,032.401,035.601.79%4.60%1,039.601,043.602005
20061,047.601,051.601,055.601,059.602.85%6.73%1,065.601,071.201,077.201,083.201,089.201,095.200.50%2.01%1,097.201,098.802006
20071,100.801,102.401,104.401,106.401.55%4.12%1,110.001,114.001,117.601,121.601,125.201,129.201.21%3.43%1,132.401,135.602007
20081,138.801,142.001,145.201,148.401.53%4.08%1,152.401,156.001,160.001,164.001,168.001,172.002.42%5.86%1,177.601,183.202008
20091,189.201,194.801,200.401,206.402.46%5.94%1,212.401,218.401,224.001,230.001,236.001,242.40-2.78%0.00%1,242.401,242.402009
20101,242.401,242.401,242.401,242.401.53%4.08%1,246.401,250.801,255.201,259.201,263.601,267.600.77%2.55%1,270.401,272.802010
20111,275.601,278.401,281.201,283.600.37%1.74%1,285.601,287.201,289.201,291.201,292.801,294.802.30%5.62%1,300.801,306.802011
20121,312.801,318.801,325.201,331.201.53%4.08%1,335.601,340.001,344.801,349.201,353.601,358.401.10%3.21%1,362.001,365.602012
20131,369.201,372.801,376.401,380.400.88%2.77%1,383.601,386.801,390.001,393.201,396.401,399.600.59%2.19%1,402.001,404.802013
20141,407.201,409.601,412.401,414.800.59%2.19%1,417.201,420.001,422.401,425.201,427.601,430.400.92%2.85%1,433.601,437.202014
20151,440.401,444.001,447.201,450.800.74%2.49%1,453.601,456.801,460.001,462.801,466.001,468.80-0.80%0.00%1,468.801,468.802015
20161,468.801,468.801,468.801,468.800.77%2.55%1,472.001,475.201,478.001,481.201,484.401,487.600.08%1.16%1,489.201,490.402016
20171,492.001,493.201,494.801,496.401.38%3.77%1,501.201,505.601,510.401,515.201,520.001,524.800.98%2.97%1,528.401,532.402017
20181,536.001,540.001,543.601,547.601.24%3.49%1,552.001,556.401,561.201,565.601,570.001,574.801.11%3.23%1,579.201,583.202018
20191,587.601,591.601,596.001,600.401.16%3.33%1,604.801,609.201,613.601,618.001,622.401,627.200.70%2.41%1,630.401,633.602019
20201,636.801,640.401,643.601,646.801.01%3.03%1,650.801,655.201,659.201,663.201,667.601,671.600.53%2.07%1,674.401,677.202020
20211,680.401,683.201,686.001,688.80

From $1,000.00 to $1,688.80 over 16.5 years = 3.20% average annual increase compounded semi-annually.

Generated  05/01/20  10:18