I Bond Calculator

Report

Total value in November 2026: $1,268.80 (purchase amount $1,000.00, interest $268.80).

You can now:

Modify This Portfolio

Add Bond Purchases

Tabular Portfolio Value

Holding 1
  • Purchase Amount: $1,000.00
  • Issue Date: May 2021
  • Fixed Rate: 0.00%
Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec.
2021 - Semiannual InflationSemiann. infl.: 1.77% Semiannual InflationSemiann. infl.: 3.56% 2021
Composite: 3.54% Composite: 7.12%
$1,000.00 $1,002.80 $1,006.00 $1,008.80 $1,011.60 $1,014.80 $1,017.60 $1,023.60
2022 Semiannual InflationSemiann. infl.: 3.56% Semiannual InflationSemiann. infl.: 4.81% Semiannual InflationSemiann. infl.: 3.24% 2022
Composite: 7.12% Composite: 9.62% Composite: 6.48%
$1,029.60 $1,035.60 $1,041.60 $1,047.60 $1,054.00 $1,062.40 $1,070.80 $1,079.20 $1,087.60 $1,096.00 $1,104.80 $1,110.80
2023 Semiannual InflationSemiann. infl.: 3.24% Semiannual InflationSemiann. infl.: 1.69% Semiannual InflationSemiann. infl.: 1.97% 2023
Composite: 6.48% Composite: 3.38% Composite: 3.94%
$1,116.80 $1,122.40 $1,128.40 $1,134.40 $1,140.40 $1,143.60 $1,146.80 $1,150.00 $1,153.20 $1,156.40 $1,159.60 $1,163.20
2024 Semiannual InflationSemiann. infl.: 1.97% Semiannual InflationSemiann. infl.: 1.48% Semiannual InflationSemiann. infl.: 0.95% 2024
Composite: 3.94% Composite: 2.96% Composite: 1.90%
$1,167.20 $1,170.80 $1,174.80 $1,178.80 $1,182.40 $1,185.20 $1,188.40 $1,191.20 $1,194.00 $1,196.80 $1,200.00 $1,202.00
2025 Semiannual InflationSemiann. infl.: 0.95% Semiannual InflationSemiann. infl.: 1.43% Semiannual InflationSemiann. infl.: 1.56% 2025
Composite: 1.90% Composite: 2.86% Composite: 3.12%
$1,203.60 $1,205.60 $1,207.60 $1,209.60 $1,211.60 $1,214.40 $1,217.20 $1,220.40 $1,223.20 $1,226.00 $1,228.80 $1,232.00
2026 Semiannual InflationSemiann. infl.: 1.56% Semiannual InflationSemiann. infl.: 1.67% Semiannual InflationSemiann. infl.: 2.04% - 2026
Composite: 3.12% Composite: 3.34% Composite: 4.08%
$1,235.20 $1,238.40 $1,241.60 $1,244.80 $1,248.00 $1,251.60 $1,254.80 $1,258.40 $1,262.00 $1,265.20 $1,268.80
Jan. Feb. March April May June July Aug. Sept. Oct. Nov. Dec.