Clear answers to your family's money questions

Free calculators that do the math on the decisions families actually face, updated whenever the rules change.

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How we build our calculators

Built on official rulesEvery calculator follows the IRS and government guidance it's based on, with sources listed on the page.
Checked and datedEach page shows when its rules were last checked, and we update it when the law changes.
A clear answerWe don't stop at a number. Each tool tells you which option wins for your situation, and why.

Family Money Math is independent. We are not affiliated with the US Treasury, the IRS, the official Trump Accounts program or Invest America, and we never ask for your Social Security number or account details. Read our editorial policy.