Lean vs. Fat FIRE

Compare three FIRE lifestyles side by side. See how your spending level changes the target, timeline, and required savings rate.

🛠️ Interactive Calculator📅 April 2026💰 Free🔒 Nothing Saved

Your Situation

Current Age

Annual Gross Income

Current Investments

Expected Return %

Lean FIRE Spending ($/yr)

Fat FIRE Spending ($/yr)

Regular FIRE Spending ($/yr)