$500 I Bond with 3.00% Fixed Rate Purchased May 2001

 Jan
1
Feb
1
Mar
1
Apr
1
May
1
Infla
tion
Rate
Com
posite
Rate
Jun
1
Jul
1
Aug
1
Sep
1
Oct
1
Nov
1
Infla
tion
Rate
Com
posite
Rate
Dec
1
2001 500.001.44%5.92%502.40504.80507.40509.80512.40514.801.19%5.42%517.002001
2002519.40521.80524.00526.40528.800.28%3.57%530.40532.00533.40535.00536.60538.201.23%5.50%540.602002
2003543.00545.60548.00550.60553.001.77%6.59%556.00559.00562.00565.00568.20571.200.54%4.10%573.202003
2004575.00577.00579.00581.00583.001.19%5.42%585.60588.20590.80593.40596.20598.801.33%5.70%601.602004
2005604.40607.20610.20613.00615.801.79%6.63%619.20622.60626.00629.40632.80636.202.85%8.79%640.802005
2006645.40650.00654.80659.40664.200.50%4.02%666.40668.60670.80673.00675.40677.601.55%6.15%681.002006
2007684.40688.00691.40695.00698.401.21%5.46%701.60704.60707.80711.00714.20717.401.53%6.11%721.002007
2008724.60728.20732.00735.60739.402.42%7.91%744.20749.00753.80758.80763.60768.602.46%7.99%773.602008
2009778.80783.80789.00794.20799.40-2.78%0.00%799.40799.40799.40799.40799.40799.401.53%6.11%803.402009
2010807.40811.60815.60819.80823.800.77%4.56%827.00830.00833.20836.20839.40842.600.37%3.75%845.202010
2011847.80850.40853.00855.80858.402.30%7.67%863.80869.20874.80880.20885.80891.401.53%6.11%895.802011
2012900.40905.00909.40914.00918.601.10%5.23%922.60926.60930.60934.60938.60942.600.88%4.79%946.402012
2013950.00953.80957.60961.40965.200.59%4.20%968.60972.00975.20978.60982.00985.400.59%4.20%988.802013
2014992.20995.60999.201,002.601,006.000.92%4.87%1,010.001,014.001,018.201,022.201,026.401,030.400.74%4.50%1,034.202014
20151,038.001,042.001,045.801,049.601,053.60-0.80%1.38%1,054.801,056.001,057.201,058.401,059.601,060.800.77%4.56%1,064.802015
20161,068.801,072.801,076.801,081.001,085.000.08%3.16%1,087.801,090.601,093.601,096.401,099.201,102.201.38%5.80%1,107.402016
20171,112.801,118.001,123.401,128.801,134.200.98%4.99%1,138.801,143.601,148.201,153.001,157.801,162.401.24%5.52%1,167.602017
20181,173.001,178.401,183.601,189.001,194.401.11%5.25%1,199.601,204.801,210.001,215.201,220.401,225.80

From $500.00 to $1,225.80 over 17.5 years = 5.19% average annual increase compounded semi-annually.

Generated  05/01/18  10:10