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Guide · Building Wealth

How Much Do I Need to Retire?

Finding Your Freedom Number

Your freedom number is the amount invested that makes work optional: roughly what your life costs per year, multiplied by 25. "Am I saving enough?" is the question we hear most, and it's unanswerable without knowing what "enough" actually is.

What is a freedom number?

Your freedom number is the amount of money that, once invested, could support your lifestyle without a paycheck: the point where work becomes a choice instead of a requirement. It’s not about retiring at 40 or never working again. It’s about replacing “am I doing okay?” (a question with no answer) with a target you can actually measure progress against.

Most families we meet have never calculated it. They’re saving something, into various accounts, and hoping it adds up. The number turns that fog into a destination.

How do you calculate your freedom number?

Start with what your life costs (or what you want it to cost) per year. Then work backward to the pile of money that could sustainably generate it.

A common starting point is the idea that a diversified portfolio can support withdrawals of roughly 4% a year over a long retirement. Flip that around and you get a rule of thumb: yearly spending × 25. A household that wants $80,000 a year would aim for roughly $2 million invested. (Illustrative only: the “right” multiple shifts with your age, other income sources, and how markets behave.)

Two things make the real number friendlier than the rough math suggests: you won’t fund it all from savings (Social Security and any pensions cover a slice), and your spending in retirement usually isn’t your spending today.

One bill at a time

The whole freedom number can feel too big to be real. A single bill doesn’t. The same ×25 math (technically ×300, since it’s a monthly bill) works on one line of your budget just as well as your entire life, and it turns one enormous target into a series of smaller ones you can actually watch yourself clear:

  • A $50/month streaming and subscription habit takes roughly $15,000 invested to cover without a paycheck.
  • A $500/month car payment takes roughly $150,000.
  • A $700/month grocery bill takes roughly $210,000.
  • An $1,800/month rent or mortgage payment takes roughly $540,000.

Nobody crosses these off in order, and that’s not the point. The point is that “invest enough to stop needing a paycheck for the grocery bill” is a real, checkable milestone in a way “save $2 million” never quite feels like. Every dollar you invest is already doing this math in the background, whether you’re watching it happen or not.

(Same caveat as above: illustrative, using the same rough 4%-withdrawal assumption, not a guarantee. And this isn’t an instruction to literally track which invested dollar pays which bill; it’s a way to make progress visible, not a new accounting system.)

Why your number is smaller than the internet says

Online calculators love scary numbers because they use gross income instead of actual spending. But you don’t need to replace your salary. You need to replace your lifestyle. By the time you stop working, you’re typically no longer paying payroll taxes on wages, no longer saving 10–20% of income (you’re spending the savings, not building them), and often no longer carrying a mortgage or supporting kids. A family grossing $150,000 might genuinely live on half that.

This is why two families with identical incomes can have wildly different freedom numbers, and why copying a generic target from an article is planning for someone else’s life.

How do you turn the number into a plan?

Once the number exists, everything else becomes arithmetic instead of anxiety: How far along am I? What do my current monthly savings get me by 60? What happens if I save $500 more, or retire two years later? Each question has an actual answer.

That’s also where the interesting work starts: which accounts to fill (taxable, traditional, Roth), in what order, and how to handle the years between an early “work optional” date and when Social Security begins. The number tells you where you’re going; the planning is how you get there efficiently.

Want to see how a specific target lines up with your current pace? Try the Savings Goal calculator.

Quick answers

What is a freedom number?
The amount of money that, once invested, could support your lifestyle without a paycheck: the point where work becomes a choice instead of a requirement.
How do I calculate my freedom number?
Start with what your life costs per year and multiply by roughly 25, reflecting the idea that a diversified portfolio can support withdrawals of about 4% a year. A household wanting $80,000 a year would aim for roughly $2 million invested, adjusted for pensions, Social Security, and your age.
Why is my number smaller than online calculators say?
Calculators tend to use gross income instead of actual spending. By retirement you are typically no longer paying payroll taxes, saving 10-20% of income, or carrying the same mortgage and kid expenses, so you need to replace your lifestyle, not your salary.
Next step

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