Both Barista FIRE Calculator and Fat FIRE Calculator sit in the Investing & FIRE category. They share an underlying model (compound growth to 25x expenses with safe withdrawal) but target different outcomes: Barista FIRE on one side, Fat FIRE on the other.
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Barista FIRE Calculator computes barista fire directly in your browser. It is built for path to financial independence and uses compound growth to 25x expenses with safe withdrawal based on the inputs you provide.
Fat FIRE Calculator computes fat fire directly in your browser. It is built for path to financial independence and uses compound growth to 25x expenses with safe withdrawal based on the inputs you provide.
| Attribute | Barista FIRE Calculator | Fat FIRE Calculator |
|---|---|---|
| Category | Investing & FIRE | Investing & FIRE |
| Primary input | Annual expenses, current savings, savings rate, real return | Annual expenses, current savings, savings rate, real return |
| Primary output | Years to FI, target portfolio, withdrawal income | Years to FI, target portfolio, withdrawal income |
| Math model | Compound growth to 25x expenses with safe withdrawal | Compound growth to 25x expenses with safe withdrawal |
| Best for | Path to financial independence | Path to financial independence |
| Runs in browser | Yes, no data leaves your device | Yes, no data leaves your device |
| Login required | No | No |
| Cost | Free | Free |
Under the hood, Barista FIRE Calculator uses compound growth to 25x expenses with safe withdrawal fed by annual expenses, current savings, savings rate, real return. Fat FIRE Calculator uses compound growth to 25x expenses with safe withdrawal fed by annual expenses, current savings, savings rate, real return. The two are not substitutes; they answer adjacent questions in your workflow.
Pick Barista FIRE Calculator when your question is about barista fire and your inputs are annual expenses, current savings, savings rate, real return. Pick Fat FIRE Calculator when the question shifts to fat fire and your inputs become annual expenses, current savings, savings rate, real return. If neither matches what you need, the Investing & FIRE category hub lists every tool we have for related questions.
Your task is long horizon planning and retirement targets and you already have contribution, return, time horizon, inflation. The output you need is a future value, withdrawal amount, retirement age.
Your task is long horizon planning and retirement targets and you have contribution, return, time horizon, inflation. The output you need is a future value, withdrawal amount, retirement age.
Browse the Investing & FIRE hub for related tools, or the Investing & FIRE hub for the other side.
Barista FIRE Calculator is designed to answer questions about barista fire using annual expenses, current savings, savings rate, real return. Fat FIRE Calculator is designed for fat fire using annual expenses, current savings, savings rate, real return. They are complementary tools that target different inputs and outputs.
Use Barista FIRE Calculator when your task is path to financial independence and you need a years to fi, target portfolio, withdrawal income from annual expenses, current savings, savings rate, real return.
Use Fat FIRE Calculator when the question is path to financial independence and your inputs are annual expenses, current savings, savings rate, real return. The result is a years to fi, target portfolio, withdrawal income.
Yes. Both run entirely in your browser, require no login, and are free to use without limits. Your inputs are not transmitted to any server.
Accuracy depends on the inputs you provide, not on the tool. Barista FIRE Calculator uses compound growth to 25x expenses with safe withdrawal and is accurate for barista fire when its inputs are correct. Fat FIRE Calculator uses compound growth to 25x expenses with safe withdrawal and is accurate for fat fire under the same condition.