MyFireMath

FIRE Guides

Learn the math of early retirement

Plain-language guides on savings rates, investing simply and retiring on your own schedule.

Momentum Investing Strategy: Can It Speed Up FIRE?Investing

Momentum Investing Strategy: Can It Speed Up FIRE?

Learn how momentum investing works and whether adding trend-following factor funds makes sense for your early retirement plan.

MyFireMath Team6 min read
Safe Withdrawal Rate: How to Calculate It for FIRERetirement Planning

Safe Withdrawal Rate: How to Calculate It for FIRE

Discover how to set a safe withdrawal rate so your investments comfortably power a multi-decade early retirement.

MyFireMath Team6 min read
Side Hustles to Retire Early: Accelerate Your FIRE MathSide Income

Side Hustles to Retire Early: Accelerate Your FIRE Math

Learn how targeted side income speeds up early retirement by funding index investments and increasing your savings rate.

MyFireMath Team6 min read
High Yield Savings vs Investing for Short Term GoalsSaving Strategies

High Yield Savings vs Investing for Short Term Goals

Learn when to park money in high yield savings versus investing for short term goals on your path to financial independence.

MyFireMath Team6 min read
What Is My FIRE Number? Simple Formula and StepsFIRE Basics

What Is My FIRE Number? Simple Formula and Steps

Learn how to calculate your personal FIRE number using the rule of 25 and set a clear target for early retirement.

MyFireMath Team6 min read
Lean FIRE vs Fat FIRE: Which Strategy Fits You?FIRE Basics

Lean FIRE vs Fat FIRE: Which Strategy Fits You?

Discover the practical differences between Lean FIRE and Fat FIRE so you can pick the target that fits your lifestyle.

MyFireMath Team6 min read
Barista FIRE: How to Work Less and Retire EarlyFIRE Basics

Barista FIRE: How to Work Less and Retire Early

Learn how barista fire lets you exit full-time work early by combining partial portfolio returns with low-stress part-time work.

MyFireMath Team6 min read
Living Off Investments: How to Build a FIRE Cash Flow StrategyRetirement Planning

Living Off Investments: How to Build a FIRE Cash Flow Strategy

Learn how living off investments works, how to calculate your baseline target, and how to create reliable monthly retirement income.

MyFireMath Team6 min read
4 Percent Rule: How It Works for Early RetirementRetirement Planning

4 Percent Rule: How It Works for Early Retirement

Understand the 4 percent rule, calculate your early retirement goal, and learn how to adapt withdrawal rates safely.

MyFireMath Team6 min read