IBondLab

I Bond vs TIPS Calculator

Compare an I-bond with Treasury Inflation-Protected Securities.

Your I-bond numbers never leave your browser — all math runs locally.
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Try: Purchase year=2023, Purchase amount=1000, TIPS yield=2.2, Years=5 → $1,402, $1,115, $287, I-bond

How to use

Both guard against inflation. The calculator grows each at its yield and shows the difference after the chosen term.

FAQ

I-bond or TIPS?

I-bonds add a fixed rate and state-tax freedom; TIPS are marketable and can lose principal if sold early.

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