CFO Corner Week 29: Do You Know How Much You Need to Retire?

Most people have never sat down and calculated an actual number for retirement — they either avoid it entirely or default to a vague guess like "a million dollars." This episode breaks down a simple, three-step formula to estimate a personalized retirement number in under ten minutes: calculating expected annual spending, applying the 4% withdrawal rule, and sanity-checking the result against real-life variables.

Content Breakdown

• Why avoiding "the number" leads to either under-saving (fear of running out) or over-saving (fear-based hoarding that limits life now)

• Step 1: Estimating annual retirement spending using the 70–85% income rule of thumb

• Step 2: Applying the 4% rule (annual spending ÷ 0.04) to reach a target savings number

• A full worked example: $80K income → $60K retirement spending → $1.5M target

• Common mistakes: picking an arbitrary number, ignoring inflation, underestimating healthcare costs, assuming expenses drop automatically

• Why retirement isn't "cheaper," just different in shape

Action Steps

1. Estimate your annual retirement spending (70–85% of current income, adjusted for your life)

2. Divide that number by 0.04 to get your rough retirement target

3. Write the number down somewhere visible — a note, a whiteboard, your phone lock screen

Quotable Moments / Pull Quotes

• "You can't hit a target you've never set."

• "Retirement isn't cheaper — it's just different."

• "Your first number doesn't need to be right — it just needs to exist."

• "The goal isn't just to retire... it's to retire with options."

Key Takeaways

• A retirement number isn't guesswork — it can be calculated in three simple steps

• The 4% rule turns your target spending into a savings goal

• This first estimate is a starting point, not a final answer — it evolves with age, Social Security, and lifestyle

• Clarity, not perfection, is what creates confidence