$1,000 I Bond with 1.60% Fixed Rate Purchased March 2003

 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
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Dec
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2003 1,000.001.23%4.08%1,003.201,006.801,010.001,013.601,016.801,020.401.77%5.17%1,024.801,029.201,033.602003
20041,038.001,042.401,046.800.54%2.69%1,049.201,051.601,054.001,056.001,058.401,060.801.19%4.00%1,064.401,068.001,071.202004
20051,074.801,078.401,082.001.33%4.28%1,086.001,089.601,093.601,097.201,101.201,105.201.79%5.21%1,110.001,114.801,119.602005
20061,124.401,129.201,134.002.85%7.35%1,140.801,147.601,154.801,161.601,168.801,175.600.50%2.61%1,178.001,180.801,183.202006
20071,186.001,188.401,190.801.55%4.72%1,195.601,200.001,204.801,209.601,214.001,218.801.21%4.04%1,222.801,226.801,231.202007
20081,235.201,239.201,243.601.53%4.68%1,248.401,253.201,258.001,262.801,268.001,272.802.42%6.48%1,279.601,286.401,293.202008
20091,300.001,307.201,314.002.46%6.56%1,321.201,328.401,335.201,342.401,350.001,357.20-2.78%0.00%1,357.201,357.201,357.202009
20101,357.201,357.201,357.201.53%4.68%1,362.401,367.601,372.801,378.401,383.601,388.800.77%3.15%1,392.401,396.001,399.602010
20111,403.201,407.201,410.800.37%2.35%1,413.601,416.401,419.201,422.001,424.801,427.202.30%6.24%1,434.401,442.001,449.202011
20121,456.801,464.401,471.601.53%4.68%1,477.201,482.801,488.801,494.401,500.401,506.001.10%3.82%1,510.801,515.601,520.402012
20131,525.201,530.001,534.800.88%3.37%1,539.201,543.201,547.601,552.001,556.401,560.800.59%2.79%1,564.401,568.001,571.602013
20141,575.201,578.801,582.400.59%2.79%1,586.001,589.601,593.201,597.201,600.801,604.400.92%3.45%1,608.801,613.601,618.002014
20151,622.801,627.601,632.000.74%3.09%1,636.001,640.401,644.401,648.801,652.801,657.20-0.80%0.00%1,657.201,657.201,657.202015
20161,657.201,657.201,657.200.77%3.15%1,661.601,666.001,670.001,674.401,678.801,683.200.08%1.76%1,685.601,688.001,690.402016
20171,693.201,695.601,698.001.38%4.38%1,704.001,710.401,716.401,722.801,728.801,735.200.98%3.58%1,740.401,745.601,750.802017
20181,756.001,761.201,766.401.24%4.10%1,772.401,778.401,784.401,790.401,796.401,802.801.11%3.84%1,808.401,814.401,820.002018
20191,826.001,831.601,837.601.16%3.94%1,843.601,849.601,855.601,861.601,867.601,874.000.70%3.01%1,878.801,883.201,888.002019
20201,892.801,897.601,902.401.01%3.64%1,908.001,914.001,919.601,925.601,931.201,937.20

From $1,000.00 to $1,937.20 over 17.5 years = 3.81% average annual increase compounded semi-annually.

Generated  11/01/19  10:09