What is the FIRE number and how is it calculated?

Your FIRE number is the investment portfolio size needed to sustain your annual expenses indefinitely. It is calculated by multiplying your annual expenses by 25 (based on the 4% safe withdrawal rate). For example, if you spend $50,000 per year, your FIRE number is $1,250,000.

What is the 4% rule for retirement?

The 4% rule states that you can withdraw 4% of your portfolio in the first year of retirement and adjust for inflation each year, with a high probability of your money lasting 30+ years. It is based on the Trinity Study using historical US stock and bond returns. Some financial planners now recommend 3.5% for extra safety.

How much do I need to save each month to retire early?

The amount depends on your current age, target retirement age, current savings, expected investment returns, and annual expenses in retirement. Our FIRE calculator computes your exact monthly savings requirement. Generally, FIRE adherents save 50-70% of their income to retire in 10-15 years.

What is the FIRE number in Utah?

Based on Utah's median household income of $79,500, the FIRE number at a 4% withdrawal rate is $1,987,500 (25x annual income). Adjusted for Utah's cost of living index of 101, the real purchasing power equivalent is $1,967,822.

How long does it take to achieve FIRE in Utah?

At a 40% savings rate on Utah median income, it takes approximately 24 years to reach a FIRE number of $1,987,500 (7% annual growth assumption). At 50%, that drops to about 22 years.

Is Utah a good state for early retirement?

Utah has a cost of living index of 101 (100 = national average). At 101, it is above the national average — a higher FIRE number is needed compared to lower-cost states. Utah has a state income tax of 4.65% flat.

Not Financial Advice. CalcMoney provides calculators for educational and planning purposes only. Results are estimates and do not constitute financial, tax, or investment advice. Consult a qualified professional before making financial decisions. Terms apply.

CALCMONEY // FIRE // UT

Utah FIRE Calculator 2026

FIRE number in Utah: $1,987,500 (25x median income). Cost of living index: 101/100. State income tax: 4.65% flat.

Calculate Your FIRE Date

FIRE Number (4% rule)

$1,987,500

Cost of Living Index

101/100

Median Income

$79,500

State Tax

4.65% flat

Years to FIRE in Utah at Different Savings Rates

FIRE NUMBER: $1,987,500 — 7% ANNUAL RETURN — $79,500 MEDIAN INCOME

Savings Rate	Annual Savings	Annual Spend	Years to FIRE
20%	$15,900	$63,600	32 yrs
30%	$23,850	$55,650	27 yrs
40%	$31,800	$47,700	24 yrs
50%	$39,750	$39,750	22 yrs
60%	$47,700	$31,800	20 yrs
70%	$55,650	$23,850	18 yrs

FIRE in Utah: Cost of Living Reality

UT FIRE CONTEXT

Utah has a cost of living index of 101 relative to the US average of 100. This is close to the national average. Utah offers a typical cost structure — housing and expenses track closely to US median.

The 4% safe withdrawal rule suggests a FIRE number of 25x annual expenses. At Utah's median income of $79,500, that is $1,987,500. However, if you plan to spend more (or less) than median income in retirement, scale the number accordingly.

Utah taxes income at 4.65% flat. In FIRE, your primary income comes from portfolio withdrawals, dividends, and capital gains. Long-term capital gains in UT are taxed at the same rate as ordinary income, including IRA withdrawals. Factor this into your withdrawal rate planning.

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