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CoastFIRE Scenarios

By Minh · Updated 2026-04-25 · Hub of pre-computed scenarios

Find your CoastFIRE number by age and income, dive into a specific age guide, or see how your career affects the math. Every page here uses the same conservative model: 60% income replacement in retirement, 5% real return, 4% safe withdrawal rate, retirement at 65.

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By Age × Income

Click any cell to see the full breakdown for that scenario:

$50,000$60,000$75,000$100,000$125,000$150,000$200,000$250,000
Age 25$106,534$127,841$159,801$213,069$266,336$319,603$426,137$532,671
Age 28$123,327$147,992$184,990$246,653$308,317$369,980$493,307$616,634
Age 30$135,968$163,161$203,952$271,935$339,919$407,903$543,871$679,839
Age 32$149,904$179,885$224,857$299,809$374,761$449,713$599,618$749,522
Age 35$173,533$208,240$260,300$347,066$433,833$520,599$694,132$867,665
Age 38$200,886$241,063$301,329$401,772$502,216$602,659$803,545$1,004,431
Age 40$221,477$265,772$332,216$442,954$553,693$664,431$885,908$1,107,385
Age 45$282,667$339,201$424,001$565,334$706,668$848,001$1,130,668$1,413,336
Age 50$360,763$432,915$541,144$721,526$901,907$1,082,288$1,443,051$1,803,814
Age 55$460,435$552,522$690,652$920,870$1,151,087$1,381,305$1,841,740$2,302,175

By Age (Deep-Dive Guides)

By Career

How These Numbers Are Calculated

Every page uses three simple steps:

  1. Estimate retirement spending: 60% of current income (typical replacement ratio).
  2. Compute the FIRE number: annual spending × 25 (the 4% safe withdrawal rule).
  3. Discount to today: divide by (1.05)^(years until 65), where 5% is the assumed real return.

The result is the amount you'd need invested today such that, even if you never contributed another dollar, compound growth alone would carry you to a fully-funded retirement at 65. That's CoastFIRE.

Want to override the assumptions? The main calculator lets you set your own retirement age, spending, return, withdrawal rate, tax assumptions, and pension/Social Security inputs. It also runs Monte Carlo simulations to stress-test your plan.
Open the Full CoastFIRE Calculator →