Tools and guides to maximize your finances
No sign-up. Clear assumptions on every result.
Calculators
View allA number for the decision in front of you — tax, a house payment, or what hits the bank.
- Federal taxYou want a federal refund / owed estimate before you file.
- Loan paymentYou have amount, APR, and term for an auto or personal loan.
- IRA & 401(k) contributionYou are setting deferrals and need this year’s limit and match.
Playbooks
View allOrdered steps for a life event. Each step opens a calculator or a compare.
- TaxTax seasonEstimate federal tax, decide whether to itemize, then set withholding and retirement deferrals before year-end.
- HomeBuying a houseCap the price from income, then see the monthly payment, then check whether a refinance later would recoup costs.
This year (2026)
View allIRS and SSA figures stamped on the calculators. Confirm against the notice if you are filing.
Guides
View allShort explainers that end in a calculator — how the number is built, not advice.
- Medicare Open Enrollment 2026 — Oct 15 to Dec 7Medicare Open Enrollment runs October 15–December 7. Review Annual Notice of Change, compare plans at Medicare.gov, and lock in coverage effective January 1, 2027. Prep steps, Medigap caution, and related tax/retirement links — no invented 2027 premiums or COLA.
- 2026 401(k) & IRA Contribution Limits — $24,500 / $7,500Notice 2025-67 / IR-2025-111 sets 2026 401(k) deferrals at $24,500 and IRA at $7,500. Catch-up, ages 60–63 super catch-up, Roth MAGI phase-outs, and open-enrollment deferral planning for fall 2026.
- 2027 HSA Contribution Limits — $4,500 / $9,000Rev. Proc. 2026-24 sets 2027 HSA limits at $4,500 self-only and $9,000 family (+$100 / +$250 vs 2026). HDHP floors, OOP caps, catch-up, and open-enrollment notes for fall 2026 plan elections.