FIRE Planner (Pro) United States

What the planner computes

An early retirement depends on how big the portfolio needs to be and how long it takes to build. This planner works out the FIRE number from your expected spending, then compounds your current savings and monthly contributions forward month by month until the balance passes that target. It returns the years required, the portfolio at that point, and the year-by-year path.

It is a Pro tool: the simulation and schedule run on the server behind the access gate, and the summary figures come back to you.

The withdrawal rate sets the target

The target is spending divided by the withdrawal rate. At 4 percent, $40,000 a year means $1,000,000. The formula is simple; the inputs are where the judgment lies.

Spending has the most force. At 4 percent, each $1,000 of annual expense you permanently remove lowers the target by $25,000. The withdrawal rate is the second lever and reflects how cautious you want to be: a lower rate raises the target in exchange for a wider safety margin.

Getting at retirement money before 59 and a half

The IRS applies a 10 percent additional tax to distributions from a retirement plan before age 59 and a half. If your projection reaches the target at 45, what matters is where the money sits. There are three common routes around this, each with conditions.

The first is often called the rule of 55. IRS Topic 558 exempts distributions after you leave your employer in or after the year you turn 55. It applies to that employer’s qualified plan, not to an IRA and not to a plan you have already rolled over, which catches people who consolidate old accounts when they leave.

The second is a series of substantially equal periodic payments, also on the exception list. It turns part of the balance into a fixed schedule based on life expectancy that must continue for a set period once started, giving access in exchange for flexibility.

The third is a Roth conversion ladder. You convert traditional money to a Roth in a year when your taxable income is low, pay tax at that year’s rates, and wait. Publication 590-B applies the 10 percent additional tax to converted amounts withdrawn within five years of the conversion, and each conversion has its own five-year clock, so the ladder must start roughly five years before you need the first rung.

Where each dollar should go

The 401(k) employee deferral limit is $24,500, or $32,500 from age 50 with the $8,000 catch-up, and a larger catch-up of $11,250 applies at ages 60 through 63. An IRA takes $7,500, plus $1,100 from age 50.

Those caps make a taxable brokerage account important in an early retirement plan. It has no contribution limit, no access restriction and no penalty, and its tax treatment can be favorable: long-term capital gains are taxed at zero percent up to $49,450 of taxable income for a single filer and $98,900 for a married couple filing jointly. Add the standard deduction of $16,100 or $32,200, and an early retiree with modest realized gains and no wages can draw a meaningful income at a federal rate of zero.

In practice: capture the full employer match first, use tax-advantaged accounts for money you will not need before the exceptions apply, and fund the years between leaving work and 59 and a half from a taxable account, a Roth conversion ladder, or both.

Health insurance

Health insurance often decides whether a US early retirement works, and no projection models it. Marketplace premium tax credits depend on income relative to the federal poverty level, so the same portfolio can cost very different amounts depending on how much taxable income you take. Realizing a large capital gain in one year can cost more in lost subsidy than it saves in capital gains tax. If you plan to retire before Medicare eligibility, model the insurance cost and the income it depends on together.

A worked example

Take $100,000 saved, $2,000 a month added, a 7 percent return, $40,000 of expected spending and a 4 percent withdrawal rate. The target is $1,000,000, reached in about sixteen years. Cut spending to $34,000 and the target falls to $850,000, reached almost two years sooner on the same contributions. A higher return assumption also shortens the timeline, but spending is the input you control.

Stress-testing the result

Run three versions: your expected return, a clearly worse one, and a higher spending figure. A plan that works in all three is durable; one that only works in the first is a forecast. Revisit it when your income, expenses or contributions change, and confirm decisions about your retirement accounts, taxes and insurance with a licensed financial professional.

This is general information only and not financial advice.

About This FIRE Planner

Use this FIRE planner to get an instant estimate based on the figures you enter. Adjust the inputs above to match your situation, or browse all our calculators to plan your next step.