Treasury Ladder After Tax Value Calculator turns your assumptions into a practical planning estimate. Enter the investment amount, timing, yield, and applicable tax inputs to see the main result plus supporting figures that explain where it comes from. The tool is designed for comparing cash-flow choices and testing scenarios, not predicting future rates. Adjust one input at a time to see which assumption has the greatest effect on your plan.
The ending value estimates annual reinvestment after federal income tax. U.S. Treasury interest is generally exempt from state and local income taxes.
This simplified model taxes interest annually at one federal rate and assumes a constant reinvestment yield.
Investing $100,000 for 5 years at 4.2% with a 24% federal rate gives an estimated after-tax annual rate of 3.192% and an ending value of about $117,006.
No. It is a planning estimate based on the constant inputs you enter; actual yields, taxes, and cash flows can change.
Use a current quoted yield that matches the securities, maturities, and compounding basis you expect to use.
Interest is commonly taxed as ordinary income, so the marginal rate helps estimate the portion of interest retained after tax.
Yes when the calculation remains defined. A zero yield models principal-only cash flow, but break-even calculations that require positive income reject it.
No. Results are shown in nominal dollars unless inflation is explicitly included as an input, so purchasing power may differ.
| Input | Purpose |
|---|---|
| Initial Treasury ladder value | US dollars |
| Average annual yield | Percent |
| Holding period | years |
| Federal tax rate | Percent |