Retirement Year Calculator — What Retiring in 2035, 2045, or 2055 Actually Costs
Enter the year you plan to stop working. This calculator estimates your Social Security benefit from the real 2026 bend-point formula, lets you stress-test a trust-fund benefit cut, and shows your actual effective tax rate on retirement income — not a flat guess.
Quick answer: This calculator anchors everything to the calendar year you plan to retire. It projects your desired retirement income and Social Security forward to that year, computes the Social Security estimate from the real 2026 benefit formula applied to your income, and converts any remaining gap into the monthly savings required — while showing the real progressive tax rate on that income, not a flat assumption.
Retiring in 2055 at age 65 takes about $2,356/month toward this goal, against an estimated $65,778/yr from Social Security under the scenario you selected.
That implies roughly a 9.74% effective tax rate on retirement income under 2026 law inflated forward to your retirement year — see the calculator's Social Security scenario toggle for how a trust-fund cut changes the number.
Build this in Money MapRetiring in 2055, my estimated Social Security is $65,778/yr and I'd need $2,356/month to close the gap.
Closing this gap takes about $1,556/month more than you're saving now. Check the Social Security scenario toggle and the effective tax rate below before locking in a plan.
- 1
Set the target and timeline for this plan
See what retiring in a specific year actually costs — a computed Social Security estimate from your income, a Trust Fund scenario toggle, and your real effective tax rate on retirement income.
- 2
Check the assumptions before using the result for a high-stakes decision
Assumptions change the answer, especially when rates, taxes, or timing matter.
- 3
Save the result to Money Map or use the linked next action
Turn the result into a prioritized action instead of treating it as a one-off number.
This is an educational estimate, not tax, legal, investment, or lending advice. Tax rules, rates, and eligibility change and depend on your full situation. Confirm with a qualified professional or the provider before acting.
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Everything you need to know.
How is the Social Security estimate calculated?
What happens to Social Security if the trust fund runs out?
Why does the effective tax rate matter more than the marginal rate?
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Why This Matters
Most retirement calculators ask "how many years until retirement" and hand back one number built on a flat Social Security guess and no tax modeling. This one asks for the actual year, computes Social Security from the real bend-point formula the SSA uses, lets you toggle what happens if the 2032 trust-fund shortfall isn't fixed, and estimates your effective tax rate under the real 2026 bracket structure inflated forward — so the number reflects mechanics that are usually hidden.
How to Use It
- 1Enter the calendar year you plan to retire and your current age
- 2Add your income, filing status, current savings, and monthly contribution
- 3Set your desired total annual retirement income in today's dollars
- 4Choose a Social Security scenario — full benefits, a partial cut, or the automatic cut if Congress doesn't act
- 5Compare the required monthly savings against what you're saving now, and check the effective tax rate on the result
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