Your I bond rate, built term by term
Five inputs, every one of them a placeholder you should replace with a figure you confirmed at the official Treasury source. The composite rate the published formula produces, what naive addition would have said instead, where a purchase lands after two six-month periods, what leaving early forfeits, and the savings-account rate you would need to match it after state tax all update as you read.
← Read the full walkthrough: What Are I Bonds? How Do I Bonds WorkFive inputs, every one of them a placeholder you should replace with a figure you confirmed at the official Treasury source. The composite rate the published formula produces, what naive addition would have said instead, where a purchase lands after two six-month periods, what leaving early forfeits, and the savings-account rate you would need to match it after state tax all update as you read.
Illustrative estimates, updated as you change the inputs. Nothing you enter leaves your browser.