$500 I Bond with 1.00% Fixed Rate Purchased August 2004

 Jan
1
Feb
1
Infla
tion
Rate
Com
posite
Rate
Mar
1
Apr
1
May
1
Jun
1
Jul
1
Aug
1
Infla
tion
Rate
Com
posite
Rate
Sep
1
Oct
1
Nov
1
Dec
1
2004 500.001.19%3.39%501.40502.80504.20505.602004
2005507.00508.401.33%3.67%510.00511.40513.00514.60516.20517.801.79%4.60%519.80521.80523.80525.802005
2006527.80529.802.85%6.73%532.80535.60538.60541.60544.60547.600.50%2.01%548.60549.40550.40551.202006
2007552.20553.201.55%4.12%555.00557.00558.80560.80562.60564.601.21%3.43%566.20567.80569.40571.002007
2008572.60574.201.53%4.08%576.20578.00580.00582.00584.00586.002.42%5.86%588.80591.60594.60597.402008
2009600.20603.202.46%5.94%606.20609.20612.00615.00618.00621.20-2.78%0.00%621.20621.20621.20621.202009
2010621.20621.201.53%4.08%623.20625.40627.60629.60631.80633.800.77%2.55%635.20636.40637.80639.202010
2011640.60641.800.37%1.74%642.80643.60644.60645.60646.40647.402.30%5.62%650.40653.40656.40659.402011
2012662.60665.601.53%4.08%667.80670.00672.40674.60676.80679.201.10%3.21%681.00682.80684.60686.402012
2013688.20690.200.88%2.77%691.80693.40695.00696.60698.20699.800.59%2.19%701.00702.40703.60704.802013
2014706.20707.400.59%2.19%708.60710.00711.20712.60713.80715.200.92%2.85%716.80718.60720.20722.002014
2015723.60725.400.74%2.49%726.80728.40730.00731.40733.00734.40-0.80%0.00%734.40734.40734.40734.402015
2016734.40734.400.77%2.55%736.00737.60739.00740.60742.20743.800.08%1.16%744.60745.20746.00746.602016
2017747.40748.201.38%3.77%750.60752.80755.20757.60760.00762.400.98%2.97%764.20766.20768.00770.002017
2018771.80773.801.24%3.49%776.00778.20780.60782.80785.00787.401.11%3.23%789.60791.60793.80795.802018
2019798.00800.201.16%3.33%802.40804.60806.80809.00811.20813.600.70%2.41%815.20816.80818.40820.202019
2020821.80823.401.01%3.03%825.40827.60829.60831.60833.80835.800.53%2.07%837.20838.60840.20841.602020
2021843.00844.400.84%2.69%846.20848.20850.00852.00853.80855.801.77%4.56%859.00862.20865.60868.802021
2022872.00875.403.56%8.16%881.20887.20893.00899.00905.00911.204.81%10.67%919.20927.20935.20943.402022
2023951.60959.803.24%7.51%965.80971.60977.60983.60989.80995.801.69%4.40%999.401,003.001,006.601,010.402023
20241,014.001,017.801.97%4.96%1,022.001,026.201,030.401,034.601,038.801,043.001.48%3.97%1,046.401,049.801,053.401,056.802024
20251,060.201,063.800.95%2.91%1,066.401,069.001,071.601,074.001,076.601,079.201.43%3.87%1,082.601,086.201,089.601,093.002025
20261,096.601,100.001.56%4.14%1,103.801,107.601,111.401,115.201,119.001,122.80

From $500.00 to $1,122.80 over 22.0 years = 3.71% average annual increase compounded semi-annually.

Generated  11/04/25  09:10