What is the FIRE number?

The FIRE number is the total amount of money you need to save to cover your annual expenses indefinitely through passive income, typically calculated using the 4% rule.

How do I calculate my household FIRE number?

To calculate your household FIRE number, aggregate all your family's annual expenses, account for future inflation, and multiply by 25 (based on the 4% safe withdrawal rate).

What is the difference between Lean, Traditional, and Fat FIRE?

Lean FIRE focuses on a minimalist lifestyle with lower expenses, Traditional FIRE follows standard middle-class spending, and Fat FIRE supports a more luxurious lifestyle with higher annual expenses.

FIRE Independence Calculator

Annual Expenses ($)

Current Portfolio ($)

Expected Return (%)

Years to FIRE

FIRE Number:
$0

Required Monthly Savings:
$0

How to Calculate FIRE Number Effectively

Knowing how to calculate fire number is the first step toward financial freedom. At Global Investment Reviews, we apply the "4% Rule"—a widely accepted institutional benchmark.

Formula:

\[ \text{FIRE Number} = \frac{\text{Annual Expenses}}{0.04} \]

Example: If your annual expenses are $50,000, your FIRE number is $1,250,000.

What is My FIRE Number?

Determining "what is my fire number" requires analyzing your "Safe Withdrawal Rate" (SWR). At Global Investment Reviews, we help you stress-test this figure.

Theory: A 4% withdrawal rate aims to ensure your capital lasts for at least 30 years.
Example: A portfolio of $1M with a 4% SWR provides $40,000 in annual passive income.

What is My Coast FIRE Number?

Understanding "what is my coast fire number" relies on the time-value of money. Global Investment Reviews calculates this dynamic growth to show you when you can "coast".

Formula:

\[ \text{Coast FIRE} = \frac{\text{Target FIRE Number}}{(1 + r)^n} \]

Example: If you need $1M in 20 years at a 7% return, your coast number today is approximately $258,400.

Calculate Coast FIRE Number for Long-term Growth

To calculate coast fire number, you are solving for present value. We utilize the Compound Annual Growth Rate (CAGR) theory to provide accurate future projections at Global Investment Reviews.

Coast FIRE Number by Age: A Strategic Approach

Planning your coast fire number by age accounts for the remaining years of growth. A 30-year-old needs much less capital than a 45-year-old to reach the same future goal due to the power of compounding. Global Investment Reviews maps these timelines visually for your convenience.

How to Calculate Coast FIRE Number with Precision

Learning how to calculate coast fire number involves subtracting your expected future contributions. Global Investment Reviews accounts for the "Future Value of an Annuity" theory to refine your target number.

Understanding Your Household FIRE Number

Your household FIRE number aggregates all family liabilities. Global Investment Reviews treats your household as a single corporate entity for better financial planning.

Example: If the family spends $80,000 annually, the required corpus is $2,000,000.

Family FIRE Independence Planning for the Future

True family FIRE independence planning factors in inflation-adjusted expenses. Global Investment Reviews adjusts your goals for purchasing power parity.

Theory:

\[ \text{Future Expense} = \text{Current Expense} \times (1 + i)^n \]

Calculating FIRE Number for Household Expenses

When calculating FIRE number for household expenses, we focus on sustainable cash flow. Global Investment Reviews ensures your plan is ready for long-term shifts.

Example: Factoring in a 3% inflation rate, your $50,000 expense today will be roughly $90,000 in 20 years.