What is Barista FIRE and how much do I need?
Barista FIRE means retiring from your full-time career with a partially-funded portfolio and covering the gap with part-time income. A typical Barista FIRE target is 50–75% of your full FIRE number — often $500,000–$750,000 for someone who needs $40,000/year — with part-time work covering the remaining $10,000–$20,000 annually.
Formula
Barista FIRE Number = (Annual Expenses - Annual Part-Time Income) × 25
Example
Annual expenses: $48,000. Part-time income: $18,000 (covering healthcare + extras). Gap to fund: $30,000. Barista FIRE number: $30,000 × 25 = $750,000 — vs. $1,200,000 for full FIRE on the same spending.
How it works in detail
Barista FIRE — named after the idea of working a low-stress part-time job like a coffee shop barista — is a hybrid strategy between full retirement and traditional employment. The core mechanic: instead of accumulating a portfolio large enough to fund 100% of your spending via the 4% rule, you build a smaller portfolio and let part-time earned income cover the shortfall, allowing your investments to grow undisturbed or be drawn down more slowly. The math works in your favor for two reasons. First, every dollar earned from part-time work reduces your required withdrawal rate, dramatically extending portfolio longevity. Second, part-time work at an employer like Starbucks famously offers health insurance to part-timers — solving the biggest pre-Medicare cost problem for early retirees. To calculate your Barista FIRE number: subtract your expected annual part-time income from your annual expenses, then multiply the remainder by 25. If you spend $50,000/year and earn $15,000 part-time, you need ($50,000 - $15,000) × 25 = $875,000 instead of the $1,250,000 required for full FIRE. Research by Kitces and Pfau supports that even modest supplemental income in early retirement meaningfully reduces sequence-of-returns risk. The tradeoff is reduced lifestyle freedom compared to full FIRE.
Find your Barista FIRE number alongside your full FIRE target using the finai.app FIRE calculator.
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How much does healthcare cost if I retire before 65?
ACA marketplace coverage for an early retiree costs $400–$1,500/month per person ($5,000–$18,000/year) depending on age, location, and income. A couple retiring at 55 should budget $12,000–$25,000/year until Medicare at 65. ACA subsidies dramatically reduce costs if Modified AGI stays below $77,000 (single) or $103,000 (couple).
What is Lean FIRE and how much do I need to retire early on a tight budget?
Lean FIRE means retiring early on a frugal annual budget — typically under $40,000/year for a single person or $60,000 for a couple. Using the 4% rule, a $40,000/year lifestyle requires a portfolio of $1,000,000, significantly less than the $1.5M–$2.5M target of traditional or Fat FIRE.
What is Fat FIRE and how much do you need to retire with a high income lifestyle?
Fat FIRE means retiring early with annual spending of $100,000 or more, typically requiring a portfolio of $2.5 million to $5 million or higher. Using the 4% rule, a $100,000/year lifestyle needs a $2.5M portfolio; a $200,000/year lifestyle needs $5M. It targets financial independence without lifestyle sacrifices.
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