The FIRE Movement: Your Path to Financial Independence
Financial Independence, Retire Early isn't just for high earners. Learn the core principles, calculate your number, and build a plan.
What Is the FIRE Movement?
FIRE stands for Financial Independence, Retire Early. The core idea: save and invest aggressively—typically 50–70% of income—so your investment returns can cover your living expenses permanently. "Retire" doesn't necessarily mean stop working; it means work becomes optional. You have the freedom to pursue passion projects, part-time work, or full leisure.
The 4% Rule (Safe Withdrawal Rate)
The 4% rule comes from the 1998 Trinity Study. It found that withdrawing 4% of a diversified portfolio in your first year of retirement, then adjusting for inflation each year, historically sustained a portfolio for at least 30 years in most market conditions. Your "Freedom Number" is therefore your annual expenses multiplied by 25. If you spend $40,000/year, you need $1,000,000 invested.
Types of FIRE
Lean FIRE targets a minimalist lifestyle, often under $40,000/year in expenses. Fat FIRE aims for a more comfortable lifestyle, sometimes $100,000+ per year. Barista FIRE (or Coast FIRE) means you've saved enough that compound growth will eventually reach your target—you just need to cover current expenses with part-time work. Each flavor suits different risk tolerances and lifestyle goals.
How to Calculate Your FIRE Number
Step 1: Track your actual annual spending. Step 2: Multiply by 25 (based on the 4% rule) to get your Freedom Number. Step 3: Subtract your current savings. Step 4: Divide the gap by your annual savings rate to estimate years to FIRE. A FIRE calculator can factor in investment returns, inflation, and tax-advantaged accounts to give a more precise timeline.
Getting Started with FIRE
The first step is increasing the gap between income and expenses. Track every dollar for a month. Cut subscriptions you don't use. Negotiate your biggest bills. Then funnel the savings into low-cost index funds. Even a 30% savings rate puts you on a faster path than most. You don't need to be extreme—consistency matters more than perfection.
Put This Into Practice
Apply what you've learned using the WealthWise tool built for this exact purpose.
Try the FIRE CalculatorFrequently Asked Questions
How much do I need for FIRE?
Multiply your annual expenses by 25. If you spend $50,000/year, your FIRE target is approximately $1,250,000 in invested assets.
Is the 4% rule still valid?
Most financial researchers still consider 3.5–4% a reasonable starting point, though some prefer a more conservative 3.25–3.5% for longer retirement horizons (40+ years). The original study assumed a 30-year retirement.
Can average earners achieve FIRE?
Yes, though it takes longer. The key variable is your savings rate, not your income. Someone earning $60,000 who saves 40% can reach FIRE faster than someone earning $150,000 who saves 10%.