RETIREMENT CHANNEL

Lean FIRE Calculator

Calculate the nest egg needed for a minimalist, low-cost early retirement strategy.

Calculator Variables

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Calculation Overview

Determine your Lean FIRE target portfolio requirements to achieve minimalist financial independence.

Mathematical Model & Formula

Lean Target = Lean Annual Expenses / SWR %

Utilizes the classic withdrawal equation mapped directly to a leaner, lower expense schedule.

Variables Defined:

Worked Example Scenario

Scenario: Minimalist living on $30,000 annually with 4% SWR.

  1. Target = $30,000 / 0.04 = $750,000

Result: Target Lean portfolio is $750,000.

Frequently Asked Questions

What is Lean FIRE?

An early retirement strategy focused on extreme frugality and minimalist living, requiring a smaller nest egg (typically under $1M).